Upload folder using huggingface_hub

Dockerfile

@@ -0,0 +1,12 @@
+
+FROM python:3.9
+
+WORKDIR /code
+
+COPY --link --chown=1000 . .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+ENV PYTHONUNBUFFERED=1 	GRADIO_ALLOW_FLAGGING=never 	GRADIO_NUM_PORTS=1 	GRADIO_SERVER_NAME=0.0.0.0     GRADIO_SERVER_PORT=7860 	SYSTEM=spaces
+
+CMD ["python", "app.py"]

README.md

@@ -1,10 +1,10 @@
+
 ---
-title: Gradio Coolimage
-emoji: 📈
-colorFrom: yellow
-colorTo: indigo
+tags: [gradio-custom-component, gradio-template-Image]
+title: gradio_coolimage V0.0.1
+colorFrom: green
+colorTo: yellow
 sdk: docker
 pinned: false
+license: apache-2.0
 ---
-
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference

app.py

@@ -0,0 +1,16 @@
+
+import gradio as gr
+from gradio_coolimage import CoolImage
+
+
+example = CoolImage().example_inputs()
+
+demo = gr.Interface(
+    lambda x:x,
+    CoolImage(),  # interactive version of your component
+    CoolImage(),  # static version of your component
+    # examples=[[example]],  # uncomment this line to view the "example version" of your component
+)
+
+
+demo.launch()

requirements.txt

@@ -0,0 +1,3 @@
+https://gradio-builds.s3.amazonaws.com/4.0/attempt-05/gradio-4.0.0-py3-none-any.whl
+https://gradio-builds.s3.amazonaws.com/4.0/attempt-05/gradio_client-0.7.0b0-py3-none-any.whl
+gradio_coolimage-0.0.1-py3-none-any.whl

src/.gitignore

@@ -0,0 +1,9 @@
+.eggs/
+dist/
+*.pyc
+__pycache__/
+*.py[cod]
+*$py.class
+__tmp/*
+*.pyi
+node_modules

src/README.md

@@ -0,0 +1,10 @@
+
+# gradio_coolimage
+A Custom Gradio component.
+
+## Example usage
+
+```python
+import gradio as gr
+from gradio_coolimage import CoolImage
+```

src/backend/gradio_coolimage/__init__.py

@@ -0,0 +1,4 @@
+
+from .coolimage import CoolImage
+
+__all__ = ['CoolImage']

src/backend/gradio_coolimage/coolimage.py

@@ -0,0 +1,271 @@
+"""gr.Image() component."""
+
+from __future__ import annotations
+
+import warnings
+from pathlib import Path
+from typing import Any, Literal
+
+import numpy as np
+import PIL
+import PIL.ImageOps
+from gradio_client import utils as client_utils
+from gradio_client.documentation import document, set_documentation_group
+from PIL import Image as _Image  # using _ to minimize namespace pollution
+
+from gradio import processing_utils, utils
+from gradio.components.base import Component, StreamingInput
+from gradio.data_classes import FileData
+from gradio.events import Events
+
+set_documentation_group("component")
+_Image.init()  # fixes https://github.com/gradio-app/gradio/issues/2843
+
+
+@document()
+class CoolImage(StreamingInput, Component):
+    """
+    Creates an image component that can be used to upload/draw images (as an input) or display images (as an output).
+    Preprocessing: passes the uploaded image as a {numpy.array}, {PIL.Image} or {str} filepath depending on `type` -- unless `tool` is `sketch` AND source is one of `upload` or `webcam`. In these cases, a {dict} with keys `image` and `mask` is passed, and the format of the corresponding values depends on `type`.
+    Postprocessing: expects a {numpy.array}, {PIL.Image} or {str} or {pathlib.Path} filepath to an image and displays the image.
+    Examples-format: a {str} local filepath or URL to an image.
+    Demos: image_mod, image_mod_default_image
+    Guides: image-classification-in-pytorch, image-classification-in-tensorflow, image-classification-with-vision-transformers, building-a-pictionary_app, create-your-own-friends-with-a-gan
+    """
+
+    EVENTS = [
+        Events.edit,
+        Events.clear,
+        Events.change,
+        Events.stream,
+        Events.select,
+        Events.upload,
+    ]
+    data_model = FileData
+
+    def __init__(
+        self,
+        value: str | _Image.Image | np.ndarray | None = None,
+        *,
+        shape: tuple[int, int] | None = None,
+        height: int | None = None,
+        width: int | None = None,
+        image_mode: Literal[
+            "1", "L", "P", "RGB", "RGBA", "CMYK", "YCbCr", "LAB", "HSV", "I", "F"
+        ] = "RGB",
+        invert_colors: bool = False,
+        source: Literal["upload", "webcam", "canvas"] = "upload",
+        tool: Literal["editor", "select", "sketch", "color-sketch"] | None = None,
+        type: Literal["numpy", "pil", "filepath"] = "numpy",
+        label: str | None = None,
+        every: float | None = None,
+        show_label: bool | None = None,
+        show_download_button: bool = True,
+        container: bool = True,
+        scale: int | None = None,
+        min_width: int = 160,
+        interactive: bool | None = None,
+        visible: bool = True,
+        streaming: bool = False,
+        elem_id: str | None = None,
+        elem_classes: list[str] | str | None = None,
+        render: bool = True,
+        root_url: str | None = None,
+        _skip_init_processing: bool = False,
+        mirror_webcam: bool = True,
+        brush_radius: float | None = None,
+        brush_color: str = "#000000",
+        mask_opacity: float = 0.7,
+        show_share_button: bool | None = None,
+    ):
+        """
+        Parameters:
+            value: A PIL CoolImage, numpy array, path or URL for the default value that CoolImage component is going to take. If callable, the function will be called whenever the app loads to set the initial value of the component.
+            shape: (width, height) shape to crop and resize image when passed to function. If None, matches input image size. Pass None for either width or height to only crop and resize the other.
+            height: Height of the displayed image in pixels.
+            width: Width of the displayed image in pixels.
+            image_mode: "RGB" if color, or "L" if black and white. See https://pillow.readthedocs.io/en/stable/handbook/concepts.html for other supported image modes and their meaning.
+            invert_colors: whether to invert the image as a preprocessing step.
+            source: Source of image. "upload" creates a box where user can drop an image file, "webcam" allows user to take snapshot from their webcam, "canvas" defaults to a white image that can be edited and drawn upon with tools.
+            tool: Tools used for editing. "editor" allows a full screen editor (and is the default if source is "upload" or "webcam"), "select" provides a cropping and zoom tool, "sketch" allows you to create a binary sketch (and is the default if source="canvas"), and "color-sketch" allows you to created a sketch in different colors. "color-sketch" can be used with source="upload" or "webcam" to allow sketching on an image. "sketch" can also be used with "upload" or "webcam" to create a mask over an image and in that case both the image and mask are passed into the function as a dictionary with keys "image" and "mask" respectively.
+            type: The format the image is converted to before being passed into the prediction function. "numpy" converts the image to a numpy array with shape (height, width, 3) and values from 0 to 255, "pil" converts the image to a PIL image object, "filepath" passes a str path to a temporary file containing the image.
+            label: The label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.
+            every: If `value` is a callable, run the function 'every' number of seconds while the client connection is open. Has no effect otherwise. Queue must be enabled. The event can be accessed (e.g. to cancel it) via this component's .load_event attribute.
+            show_label: if True, will display label.
+            show_download_button: If True, will display button to download image.
+            container: If True, will place the component in a container - providing some extra padding around the border.
+            scale: relative width compared to adjacent Components in a Row. For example, if Component A has scale=2, and Component B has scale=1, A will be twice as wide as B. Should be an integer.
+            min_width: minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.
+            interactive: if True, will allow users to upload and edit an image; if False, can only be used to display images. If not provided, this is inferred based on whether the component is used as an input or output.
+            visible: If False, component will be hidden.
+            streaming: If True when used in a `live` interface, will automatically stream webcam feed. Only valid is source is 'webcam'.
+            elem_id: An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.
+            elem_classes: An optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.
+            render: If False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.
+            root_url: The remote URL that of the Gradio app that this component belongs to. Used in `gr.load()`. Should not be set manually.
+            mirror_webcam: If True webcam will be mirrored. Default is True.
+            brush_radius: Size of the brush for Sketch. Default is None which chooses a sensible default
+            brush_color: Color of the brush for Sketch as hex string. Default is "#000000".
+            mask_opacity: Opacity of mask drawn on image, as a value between 0 and 1.
+            show_share_button: If True, will show a share icon in the corner of the component that allows user to share outputs to Hugging Face Spaces Discussions. If False, icon does not appear. If set to None (default behavior), then the icon appears if this Gradio app is launched on Spaces, but not otherwise.
+        """
+        self.brush_radius = brush_radius
+        self.brush_color = brush_color
+        self.mask_opacity = mask_opacity
+        self.mirror_webcam = mirror_webcam
+        valid_types = ["numpy", "pil", "filepath"]
+        if type not in valid_types:
+            raise ValueError(
+                f"Invalid value for parameter `type`: {type}. Please choose from one of: {valid_types}"
+            )
+        self.type = type
+        self.shape = shape
+        self.height = height
+        self.width = width
+        self.image_mode = image_mode
+        valid_sources = ["upload", "webcam", "canvas"]
+        if source not in valid_sources:
+            raise ValueError(
+                f"Invalid value for parameter `source`: {source}. Please choose from one of: {valid_sources}"
+            )
+        self.source = source
+        if tool is None:
+            self.tool = "sketch" if source == "canvas" else "editor"
+        else:
+            self.tool = tool
+        self.invert_colors = invert_colors
+        self.streaming = streaming
+        self.show_download_button = show_download_button
+        if streaming and source != "webcam":
+            raise ValueError("CoolImage streaming only available if source is 'webcam'.")
+        self.show_share_button = (
+            (utils.get_space() is not None)
+            if show_share_button is None
+            else show_share_button
+        )
+        super().__init__(
+            label=label,
+            every=every,
+            show_label=show_label,
+            container=container,
+            scale=scale,
+            min_width=min_width,
+            interactive=interactive,
+            visible=visible,
+            elem_id=elem_id,
+            elem_classes=elem_classes,
+            render=render,
+            root_url=root_url,
+            _skip_init_processing=_skip_init_processing,
+            value=value,
+        )
+
+    def _format_image(
+        self, im: _Image.Image | None
+    ) -> np.ndarray | _Image.Image | str | None:
+        """Helper method to format an image based on self.type"""
+        if im is None:
+            return im
+        fmt = im.format
+        if self.type == "pil":
+            return im
+        elif self.type == "numpy":
+            return np.array(im)
+        elif self.type == "filepath":
+            path = processing_utils.save_pil_to_cache(
+                im, cache_dir=self.GRADIO_CACHE, format=fmt or "png"  # type: ignore
+            )
+            return path
+        else:
+            raise ValueError(
+                "Unknown type: "
+                + str(self.type)
+                + ". Please choose from: 'numpy', 'pil', 'filepath'."
+            )
+
+    def preprocess(
+        self, x: str | dict[str, str]
+    ) -> np.ndarray | _Image.Image | str | dict | None:
+        """
+        Parameters:
+            x: base64 url data, or (if tool == "sketch") a dict of image and mask base64 url data
+        Returns:
+            image in requested format, or (if tool == "sketch") a dict of image and mask in requested format
+        """
+        if x is None:
+            return x
+
+        mask = ""
+        if self.tool == "sketch" and self.source in ["upload", "webcam"]:
+            assert isinstance(x, dict)
+            x, mask = x["image"], x["mask"]
+
+        if isinstance(x, str):
+            im = processing_utils.decode_base64_to_image(x)
+        else:
+            im = _Image.open(x["name"])
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            im = im.convert(self.image_mode)
+        if self.shape is not None:
+            im = processing_utils.resize_and_crop(im, self.shape)
+        if self.invert_colors:
+            im = PIL.ImageOps.invert(im)
+        if (
+            self.source == "webcam"
+            and self.mirror_webcam is True
+            and self.tool != "color-sketch"
+        ):
+            im = PIL.ImageOps.mirror(im)
+
+        if self.tool == "sketch" and self.source in ["upload", "webcam"]:
+            mask_im = processing_utils.decode_base64_to_image(mask)
+
+            if mask_im.mode == "RGBA":  # whiten any opaque pixels in the mask
+                alpha_data = mask_im.getchannel("A").convert("L")
+                mask_im = _Image.merge("RGB", [alpha_data, alpha_data, alpha_data])
+            return {
+                "image": self._format_image(im),
+                "mask": self._format_image(mask_im),
+            }
+
+        return self._format_image(im)
+
+    def postprocess(
+        self, y: np.ndarray | _Image.Image | str | Path | None
+    ) -> FileData | None:
+        """
+        Parameters:
+            y: image as a numpy array, PIL CoolImage, string/Path filepath, or string URL
+        Returns:
+            base64 url data
+        """
+        if y is None:
+            return None
+        if isinstance(y, np.ndarray):
+            path = processing_utils.save_img_array_to_cache(
+                y, cache_dir=self.GRADIO_CACHE
+            )
+        elif isinstance(y, _Image.Image):
+            path = processing_utils.save_pil_to_cache(y, cache_dir=self.GRADIO_CACHE)
+        elif isinstance(y, (str, Path)):
+            path = y if isinstance(y, str) else str(y)
+        else:
+            raise ValueError("Cannot process this value as an CoolImage")
+        return FileData(name=path, data=None, is_file=True)
+
+    def check_streamable(self):
+        if self.source != "webcam" and self.streaming:
+            raise ValueError("CoolImage streaming only available if source is 'webcam'.")
+
+    def as_example(self, input_data: str | Path | None) -> str:
+        if input_data is None:
+            return ""
+        input_data = str(input_data)
+        # If an externally hosted image or a URL, don't convert to absolute path
+        if self.root_url or client_utils.is_http_url_like(input_data):
+            return input_data
+        return str(utils.abspath(input_data))
+
+    def example_inputs(self) -> Any:
+        return "https://raw.githubusercontent.com/gradio-app/gradio/main/test/test_files/bus.png"

src/backend/gradio_coolimage/coolimage.pyi

@@ -0,0 +1,489 @@
+"""gr.Image() component."""
+
+from __future__ import annotations
+
+import warnings
+from pathlib import Path
+from typing import Any, Literal
+
+import numpy as np
+import PIL
+import PIL.ImageOps
+from gradio_client import utils as client_utils
+from gradio_client.documentation import document, set_documentation_group
+from PIL import Image as _Image  # using _ to minimize namespace pollution
+
+from gradio import processing_utils, utils
+from gradio.components.base import Component, StreamingInput, _Keywords
+from gradio.data_classes import FileData
+from gradio.events import Events
+
+set_documentation_group("component")
+_Image.init()  # fixes https://github.com/gradio-app/gradio/issues/2843
+
+from gradio.events import Dependency
+
+@document()
+class CoolImage(StreamingInput, Component):
+    """
+    Creates an image component that can be used to upload/draw images (as an input) or display images (as an output).
+    Preprocessing: passes the uploaded image as a {numpy.array}, {PIL.Image} or {str} filepath depending on `type` -- unless `tool` is `sketch` AND source is one of `upload` or `webcam`. In these cases, a {dict} with keys `image` and `mask` is passed, and the format of the corresponding values depends on `type`.
+    Postprocessing: expects a {numpy.array}, {PIL.Image} or {str} or {pathlib.Path} filepath to an image and displays the image.
+    Examples-format: a {str} local filepath or URL to an image.
+    Demos: image_mod, image_mod_default_image
+    Guides: image-classification-in-pytorch, image-classification-in-tensorflow, image-classification-with-vision-transformers, building-a-pictionary_app, create-your-own-friends-with-a-gan
+    """
+
+    EVENTS = [
+        Events.edit,
+        Events.clear,
+        Events.change,
+        Events.stream,
+        Events.select,
+        Events.upload,
+    ]
+    data_model = FileData
+
+    def __init__(
+        self,
+        value: str | _Image.Image | np.ndarray | None = None,
+        *,
+        shape: tuple[int, int] | None = None,
+        height: int | None = None,
+        width: int | None = None,
+        image_mode: Literal[
+            "1", "L", "P", "RGB", "RGBA", "CMYK", "YCbCr", "LAB", "HSV", "I", "F"
+        ] = "RGB",
+        invert_colors: bool = False,
+        source: Literal["upload", "webcam", "canvas"] = "upload",
+        tool: Literal["editor", "select", "sketch", "color-sketch"] | None = None,
+        type: Literal["numpy", "pil", "filepath"] = "numpy",
+        label: str | None = None,
+        every: float | None = None,
+        show_label: bool | None = None,
+        show_download_button: bool = True,
+        container: bool = True,
+        scale: int | None = None,
+        min_width: int = 160,
+        interactive: bool | None = None,
+        visible: bool = True,
+        streaming: bool = False,
+        elem_id: str | None = None,
+        elem_classes: list[str] | str | None = None,
+        render: bool = True,
+        root_url: str | None = None,
+        _skip_init_processing: bool = False,
+        mirror_webcam: bool = True,
+        brush_radius: float | None = None,
+        brush_color: str = "#000000",
+        mask_opacity: float = 0.7,
+        show_share_button: bool | None = None,
+    ):
+        """
+        Parameters:
+            value: A PIL CoolImage, numpy array, path or URL for the default value that CoolImage component is going to take. If callable, the function will be called whenever the app loads to set the initial value of the component.
+            shape: (width, height) shape to crop and resize image when passed to function. If None, matches input image size. Pass None for either width or height to only crop and resize the other.
+            height: Height of the displayed image in pixels.
+            width: Width of the displayed image in pixels.
+            image_mode: "RGB" if color, or "L" if black and white. See https://pillow.readthedocs.io/en/stable/handbook/concepts.html for other supported image modes and their meaning.
+            invert_colors: whether to invert the image as a preprocessing step.
+            source: Source of image. "upload" creates a box where user can drop an image file, "webcam" allows user to take snapshot from their webcam, "canvas" defaults to a white image that can be edited and drawn upon with tools.
+            tool: Tools used for editing. "editor" allows a full screen editor (and is the default if source is "upload" or "webcam"), "select" provides a cropping and zoom tool, "sketch" allows you to create a binary sketch (and is the default if source="canvas"), and "color-sketch" allows you to created a sketch in different colors. "color-sketch" can be used with source="upload" or "webcam" to allow sketching on an image. "sketch" can also be used with "upload" or "webcam" to create a mask over an image and in that case both the image and mask are passed into the function as a dictionary with keys "image" and "mask" respectively.
+            type: The format the image is converted to before being passed into the prediction function. "numpy" converts the image to a numpy array with shape (height, width, 3) and values from 0 to 255, "pil" converts the image to a PIL image object, "filepath" passes a str path to a temporary file containing the image.
+            label: The label for this component. Appears above the component and is also used as the header if there are a table of examples for this component. If None and used in a `gr.Interface`, the label will be the name of the parameter this component is assigned to.
+            every: If `value` is a callable, run the function 'every' number of seconds while the client connection is open. Has no effect otherwise. Queue must be enabled. The event can be accessed (e.g. to cancel it) via this component's .load_event attribute.
+            show_label: if True, will display label.
+            show_download_button: If True, will display button to download image.
+            container: If True, will place the component in a container - providing some extra padding around the border.
+            scale: relative width compared to adjacent Components in a Row. For example, if Component A has scale=2, and Component B has scale=1, A will be twice as wide as B. Should be an integer.
+            min_width: minimum pixel width, will wrap if not sufficient screen space to satisfy this value. If a certain scale value results in this Component being narrower than min_width, the min_width parameter will be respected first.
+            interactive: if True, will allow users to upload and edit an image; if False, can only be used to display images. If not provided, this is inferred based on whether the component is used as an input or output.
+            visible: If False, component will be hidden.
+            streaming: If True when used in a `live` interface, will automatically stream webcam feed. Only valid is source is 'webcam'.
+            elem_id: An optional string that is assigned as the id of this component in the HTML DOM. Can be used for targeting CSS styles.
+            elem_classes: An optional list of strings that are assigned as the classes of this component in the HTML DOM. Can be used for targeting CSS styles.
+            render: If False, component will not render be rendered in the Blocks context. Should be used if the intention is to assign event listeners now but render the component later.
+            root_url: The remote URL that of the Gradio app that this component belongs to. Used in `gr.load()`. Should not be set manually.
+            mirror_webcam: If True webcam will be mirrored. Default is True.
+            brush_radius: Size of the brush for Sketch. Default is None which chooses a sensible default
+            brush_color: Color of the brush for Sketch as hex string. Default is "#000000".
+            mask_opacity: Opacity of mask drawn on image, as a value between 0 and 1.
+            show_share_button: If True, will show a share icon in the corner of the component that allows user to share outputs to Hugging Face Spaces Discussions. If False, icon does not appear. If set to None (default behavior), then the icon appears if this Gradio app is launched on Spaces, but not otherwise.
+        """
+        self.brush_radius = brush_radius
+        self.brush_color = brush_color
+        self.mask_opacity = mask_opacity
+        self.mirror_webcam = mirror_webcam
+        valid_types = ["numpy", "pil", "filepath"]
+        if type not in valid_types:
+            raise ValueError(
+                f"Invalid value for parameter `type`: {type}. Please choose from one of: {valid_types}"
+            )
+        self.type = type
+        self.shape = shape
+        self.height = height
+        self.width = width
+        self.image_mode = image_mode
+        valid_sources = ["upload", "webcam", "canvas"]
+        if source not in valid_sources:
+            raise ValueError(
+                f"Invalid value for parameter `source`: {source}. Please choose from one of: {valid_sources}"
+            )
+        self.source = source
+        if tool is None:
+            self.tool = "sketch" if source == "canvas" else "editor"
+        else:
+            self.tool = tool
+        self.invert_colors = invert_colors
+        self.streaming = streaming
+        self.show_download_button = show_download_button
+        if streaming and source != "webcam":
+            raise ValueError("CoolImage streaming only available if source is 'webcam'.")
+        self.show_share_button = (
+            (utils.get_space() is not None)
+            if show_share_button is None
+            else show_share_button
+        )
+        super().__init__(
+            label=label,
+            every=every,
+            show_label=show_label,
+            container=container,
+            scale=scale,
+            min_width=min_width,
+            interactive=interactive,
+            visible=visible,
+            elem_id=elem_id,
+            elem_classes=elem_classes,
+            render=render,
+            root_url=root_url,
+            _skip_init_processing=_skip_init_processing,
+            value=value,
+        )
+
+    def _format_image(
+        self, im: _Image.Image | None
+    ) -> np.ndarray | _Image.Image | str | None:
+        """Helper method to format an image based on self.type"""
+        if im is None:
+            return im
+        fmt = im.format
+        if self.type == "pil":
+            return im
+        elif self.type == "numpy":
+            return np.array(im)
+        elif self.type == "filepath":
+            path = processing_utils.save_pil_to_cache(
+                im, cache_dir=self.GRADIO_CACHE, format=fmt or "png"  # type: ignore
+            )
+            return path
+        else:
+            raise ValueError(
+                "Unknown type: "
+                + str(self.type)
+                + ". Please choose from: 'numpy', 'pil', 'filepath'."
+            )
+
+    def preprocess(
+        self, x: str | dict[str, str]
+    ) -> np.ndarray | _Image.Image | str | dict | None:
+        """
+        Parameters:
+            x: base64 url data, or (if tool == "sketch") a dict of image and mask base64 url data
+        Returns:
+            image in requested format, or (if tool == "sketch") a dict of image and mask in requested format
+        """
+        if x is None:
+            return x
+
+        mask = ""
+        if self.tool == "sketch" and self.source in ["upload", "webcam"]:
+            assert isinstance(x, dict)
+            x, mask = x["image"], x["mask"]
+
+        if isinstance(x, str):
+            im = processing_utils.decode_base64_to_image(x)
+        else:
+            im = _Image.open(x["name"])
+        with warnings.catch_warnings():
+            warnings.simplefilter("ignore")
+            im = im.convert(self.image_mode)
+        if self.shape is not None:
+            im = processing_utils.resize_and_crop(im, self.shape)
+        if self.invert_colors:
+            im = PIL.ImageOps.invert(im)
+        if (
+            self.source == "webcam"
+            and self.mirror_webcam is True
+            and self.tool != "color-sketch"
+        ):
+            im = PIL.ImageOps.mirror(im)
+
+        if self.tool == "sketch" and self.source in ["upload", "webcam"]:
+            mask_im = processing_utils.decode_base64_to_image(mask)
+
+            if mask_im.mode == "RGBA":  # whiten any opaque pixels in the mask
+                alpha_data = mask_im.getchannel("A").convert("L")
+                mask_im = _Image.merge("RGB", [alpha_data, alpha_data, alpha_data])
+            return {
+                "image": self._format_image(im),
+                "mask": self._format_image(mask_im),
+            }
+
+        return self._format_image(im)
+
+    def postprocess(
+        self, y: np.ndarray | _Image.Image | str | Path | None
+    ) -> FileData | None:
+        """
+        Parameters:
+            y: image as a numpy array, PIL CoolImage, string/Path filepath, or string URL
+        Returns:
+            base64 url data
+        """
+        if y is None:
+            return None
+        if isinstance(y, np.ndarray):
+            path = processing_utils.save_img_array_to_cache(
+                y, cache_dir=self.GRADIO_CACHE
+            )
+        elif isinstance(y, _Image.Image):
+            path = processing_utils.save_pil_to_cache(y, cache_dir=self.GRADIO_CACHE)
+        elif isinstance(y, (str, Path)):
+            path = y if isinstance(y, str) else str(y)
+        else:
+            raise ValueError("Cannot process this value as an CoolImage")
+        return FileData(name=path, data=None, is_file=True)
+
+    def check_streamable(self):
+        if self.source != "webcam" and self.streaming:
+            raise ValueError("CoolImage streaming only available if source is 'webcam'.")
+
+    def as_example(self, input_data: str | Path | None) -> str:
+        if input_data is None:
+            return ""
+        input_data = str(input_data)
+        # If an externally hosted image or a URL, don't convert to absolute path
+        if self.root_url or client_utils.is_http_url_like(input_data):
+            return input_data
+        return str(utils.abspath(input_data))
+
+    def example_inputs(self) -> Any:
+        return "https://raw.githubusercontent.com/gradio-app/gradio/main/test/test_files/bus.png"
+
+    
+    def edit(self,
+        fn: Callable | None,
+        inputs: Component | Sequence[Component] | set[Component] | None = None,
+        outputs: Component | Sequence[Component] | None = None,
+        api_name: str | None | Literal[False] = None,
+        status_tracker: None = None,
+        scroll_to_output: bool = False,
+        show_progress: Literal["full", "minimal", "hidden"] = "full",
+        queue: bool | None = None,
+        batch: bool = False,
+        max_batch_size: int = 4,
+        preprocess: bool = True,
+        postprocess: bool = True,
+        cancels: dict[str, Any] | list[dict[str, Any]] | None = None,
+        every: float | None = None,
+        trigger_mode: Literal["once", "multiple", "always_last"] | None = None,
+        _js: str | None = None,) -> Dependency:
+        """
+        Parameters:
+            fn: the function to call when this event is triggered. Often a machine learning model's prediction function. Each parameter of the function corresponds to one input component, and the function should return a single value or a tuple of values, with each element in the tuple corresponding to one output component.
+            inputs: List of gradio.components to use as inputs. If the function takes no inputs, this should be an empty list.
+            outputs: List of gradio.components to use as outputs. If the function returns no outputs, this should be an empty list.
+            api_name: Defines how the endpoint appears in the API docs. Can be a string, None, or False. If False, the endpoint will not be exposed in the api docs. If set to None, the endpoint will be exposed in the api docs as an unnamed endpoint, although this behavior will be changed in Gradio 4.0. If set to a string, the endpoint will be exposed in the api docs with the given name.
+            scroll_to_output: If True, will scroll to output component on completion
+            show_progress: If True, will show progress animation while pending
+            queue: If True, will place the request on the queue, if the queue has been enabled. If False, will not put this event on the queue, even if the queue has been enabled. If None, will use the queue setting of the gradio app.
+            batch: If True, then the function should process a batch of inputs, meaning that it should accept a list of input values for each parameter. The lists should be of equal length (and be up to length `max_batch_size`). The function is then *required* to return a tuple of lists (even if there is only 1 output component), with each list in the tuple corresponding to one output component.
+            max_batch_size: Maximum number of inputs to batch together if this is called from the queue (only relevant if batch=True)
+            preprocess: If False, will not run preprocessing of component data before running 'fn' (e.g. leaving it as a base64 string if this method is called with the `Image` component).
+            postprocess: If False, will not run postprocessing of component data before returning 'fn' output to the browser.
+            cancels: A list of other events to cancel when this listener is triggered. For example, setting cancels=[click_event] will cancel the click_event, where click_event is the return value of another components .click method. Functions that have not yet run (or generators that are iterating) will be cancelled, but functions that are currently running will be allowed to finish.
+            every: Run this event 'every' number of seconds while the client connection is open. Interpreted in seconds. Queue must be enabled.
+            trigger_mode: If "once" (default for all events except `.change()`) would not allow any submissions while an event is pending. If set to "multiple", unlimited submissions are allowed while pending, and "always_last" (default for `.change()` event) would allow a second submission after the pending event is complete.
+        """
+        ...
+    
+    def clear(self,
+        fn: Callable | None,
+        inputs: Component | Sequence[Component] | set[Component] | None = None,
+        outputs: Component | Sequence[Component] | None = None,
+        api_name: str | None | Literal[False] = None,
+        status_tracker: None = None,
+        scroll_to_output: bool = False,
+        show_progress: Literal["full", "minimal", "hidden"] = "full",
+        queue: bool | None = None,
+        batch: bool = False,
+        max_batch_size: int = 4,
+        preprocess: bool = True,
+        postprocess: bool = True,
+        cancels: dict[str, Any] | list[dict[str, Any]] | None = None,
+        every: float | None = None,
+        trigger_mode: Literal["once", "multiple", "always_last"] | None = None,
+        _js: str | None = None,) -> Dependency:
+        """
+        Parameters:
+            fn: the function to call when this event is triggered. Often a machine learning model's prediction function. Each parameter of the function corresponds to one input component, and the function should return a single value or a tuple of values, with each element in the tuple corresponding to one output component.
+            inputs: List of gradio.components to use as inputs. If the function takes no inputs, this should be an empty list.
+            outputs: List of gradio.components to use as outputs. If the function returns no outputs, this should be an empty list.
+            api_name: Defines how the endpoint appears in the API docs. Can be a string, None, or False. If False, the endpoint will not be exposed in the api docs. If set to None, the endpoint will be exposed in the api docs as an unnamed endpoint, although this behavior will be changed in Gradio 4.0. If set to a string, the endpoint will be exposed in the api docs with the given name.
+            scroll_to_output: If True, will scroll to output component on completion
+            show_progress: If True, will show progress animation while pending
+            queue: If True, will place the request on the queue, if the queue has been enabled. If False, will not put this event on the queue, even if the queue has been enabled. If None, will use the queue setting of the gradio app.
+            batch: If True, then the function should process a batch of inputs, meaning that it should accept a list of input values for each parameter. The lists should be of equal length (and be up to length `max_batch_size`). The function is then *required* to return a tuple of lists (even if there is only 1 output component), with each list in the tuple corresponding to one output component.
+            max_batch_size: Maximum number of inputs to batch together if this is called from the queue (only relevant if batch=True)
+            preprocess: If False, will not run preprocessing of component data before running 'fn' (e.g. leaving it as a base64 string if this method is called with the `Image` component).
+            postprocess: If False, will not run postprocessing of component data before returning 'fn' output to the browser.
+            cancels: A list of other events to cancel when this listener is triggered. For example, setting cancels=[click_event] will cancel the click_event, where click_event is the return value of another components .click method. Functions that have not yet run (or generators that are iterating) will be cancelled, but functions that are currently running will be allowed to finish.
+            every: Run this event 'every' number of seconds while the client connection is open. Interpreted in seconds. Queue must be enabled.
+            trigger_mode: If "once" (default for all events except `.change()`) would not allow any submissions while an event is pending. If set to "multiple", unlimited submissions are allowed while pending, and "always_last" (default for `.change()` event) would allow a second submission after the pending event is complete.
+        """
+        ...
+    
+    def change(self,
+        fn: Callable | None,
+        inputs: Component | Sequence[Component] | set[Component] | None = None,
+        outputs: Component | Sequence[Component] | None = None,
+        api_name: str | None | Literal[False] = None,
+        status_tracker: None = None,
+        scroll_to_output: bool = False,
+        show_progress: Literal["full", "minimal", "hidden"] = "full",
+        queue: bool | None = None,
+        batch: bool = False,
+        max_batch_size: int = 4,
+        preprocess: bool = True,
+        postprocess: bool = True,
+        cancels: dict[str, Any] | list[dict[str, Any]] | None = None,
+        every: float | None = None,
+        trigger_mode: Literal["once", "multiple", "always_last"] | None = None,
+        _js: str | None = None,) -> Dependency:
+        """
+        Parameters:
+            fn: the function to call when this event is triggered. Often a machine learning model's prediction function. Each parameter of the function corresponds to one input component, and the function should return a single value or a tuple of values, with each element in the tuple corresponding to one output component.
+            inputs: List of gradio.components to use as inputs. If the function takes no inputs, this should be an empty list.
+            outputs: List of gradio.components to use as outputs. If the function returns no outputs, this should be an empty list.
+            api_name: Defines how the endpoint appears in the API docs. Can be a string, None, or False. If False, the endpoint will not be exposed in the api docs. If set to None, the endpoint will be exposed in the api docs as an unnamed endpoint, although this behavior will be changed in Gradio 4.0. If set to a string, the endpoint will be exposed in the api docs with the given name.
+            scroll_to_output: If True, will scroll to output component on completion
+            show_progress: If True, will show progress animation while pending
+            queue: If True, will place the request on the queue, if the queue has been enabled. If False, will not put this event on the queue, even if the queue has been enabled. If None, will use the queue setting of the gradio app.
+            batch: If True, then the function should process a batch of inputs, meaning that it should accept a list of input values for each parameter. The lists should be of equal length (and be up to length `max_batch_size`). The function is then *required* to return a tuple of lists (even if there is only 1 output component), with each list in the tuple corresponding to one output component.
+            max_batch_size: Maximum number of inputs to batch together if this is called from the queue (only relevant if batch=True)
+            preprocess: If False, will not run preprocessing of component data before running 'fn' (e.g. leaving it as a base64 string if this method is called with the `Image` component).
+            postprocess: If False, will not run postprocessing of component data before returning 'fn' output to the browser.
+            cancels: A list of other events to cancel when this listener is triggered. For example, setting cancels=[click_event] will cancel the click_event, where click_event is the return value of another components .click method. Functions that have not yet run (or generators that are iterating) will be cancelled, but functions that are currently running will be allowed to finish.
+            every: Run this event 'every' number of seconds while the client connection is open. Interpreted in seconds. Queue must be enabled.
+            trigger_mode: If "once" (default for all events except `.change()`) would not allow any submissions while an event is pending. If set to "multiple", unlimited submissions are allowed while pending, and "always_last" (default for `.change()` event) would allow a second submission after the pending event is complete.
+        """
+        ...
+    
+    def stream(self,
+        fn: Callable | None,
+        inputs: Component | Sequence[Component] | set[Component] | None = None,
+        outputs: Component | Sequence[Component] | None = None,
+        api_name: str | None | Literal[False] = None,
+        status_tracker: None = None,
+        scroll_to_output: bool = False,
+        show_progress: Literal["full", "minimal", "hidden"] = "full",
+        queue: bool | None = None,
+        batch: bool = False,
+        max_batch_size: int = 4,
+        preprocess: bool = True,
+        postprocess: bool = True,
+        cancels: dict[str, Any] | list[dict[str, Any]] | None = None,
+        every: float | None = None,
+        trigger_mode: Literal["once", "multiple", "always_last"] | None = None,
+        _js: str | None = None,) -> Dependency:
+        """
+        Parameters:
+            fn: the function to call when this event is triggered. Often a machine learning model's prediction function. Each parameter of the function corresponds to one input component, and the function should return a single value or a tuple of values, with each element in the tuple corresponding to one output component.
+            inputs: List of gradio.components to use as inputs. If the function takes no inputs, this should be an empty list.
+            outputs: List of gradio.components to use as outputs. If the function returns no outputs, this should be an empty list.
+            api_name: Defines how the endpoint appears in the API docs. Can be a string, None, or False. If False, the endpoint will not be exposed in the api docs. If set to None, the endpoint will be exposed in the api docs as an unnamed endpoint, although this behavior will be changed in Gradio 4.0. If set to a string, the endpoint will be exposed in the api docs with the given name.
+            scroll_to_output: If True, will scroll to output component on completion
+            show_progress: If True, will show progress animation while pending
+            queue: If True, will place the request on the queue, if the queue has been enabled. If False, will not put this event on the queue, even if the queue has been enabled. If None, will use the queue setting of the gradio app.
+            batch: If True, then the function should process a batch of inputs, meaning that it should accept a list of input values for each parameter. The lists should be of equal length (and be up to length `max_batch_size`). The function is then *required* to return a tuple of lists (even if there is only 1 output component), with each list in the tuple corresponding to one output component.
+            max_batch_size: Maximum number of inputs to batch together if this is called from the queue (only relevant if batch=True)
+            preprocess: If False, will not run preprocessing of component data before running 'fn' (e.g. leaving it as a base64 string if this method is called with the `Image` component).
+            postprocess: If False, will not run postprocessing of component data before returning 'fn' output to the browser.
+            cancels: A list of other events to cancel when this listener is triggered. For example, setting cancels=[click_event] will cancel the click_event, where click_event is the return value of another components .click method. Functions that have not yet run (or generators that are iterating) will be cancelled, but functions that are currently running will be allowed to finish.
+            every: Run this event 'every' number of seconds while the client connection is open. Interpreted in seconds. Queue must be enabled.
+            trigger_mode: If "once" (default for all events except `.change()`) would not allow any submissions while an event is pending. If set to "multiple", unlimited submissions are allowed while pending, and "always_last" (default for `.change()` event) would allow a second submission after the pending event is complete.
+        """
+        ...
+    
+    def select(self,
+        fn: Callable | None,
+        inputs: Component | Sequence[Component] | set[Component] | None = None,
+        outputs: Component | Sequence[Component] | None = None,
+        api_name: str | None | Literal[False] = None,
+        status_tracker: None = None,
+        scroll_to_output: bool = False,
+        show_progress: Literal["full", "minimal", "hidden"] = "full",
+        queue: bool | None = None,
+        batch: bool = False,
+        max_batch_size: int = 4,
+        preprocess: bool = True,
+        postprocess: bool = True,
+        cancels: dict[str, Any] | list[dict[str, Any]] | None = None,
+        every: float | None = None,
+        trigger_mode: Literal["once", "multiple", "always_last"] | None = None,
+        _js: str | None = None,) -> Dependency:
+        """
+        Parameters:
+            fn: the function to call when this event is triggered. Often a machine learning model's prediction function. Each parameter of the function corresponds to one input component, and the function should return a single value or a tuple of values, with each element in the tuple corresponding to one output component.
+            inputs: List of gradio.components to use as inputs. If the function takes no inputs, this should be an empty list.
+            outputs: List of gradio.components to use as outputs. If the function returns no outputs, this should be an empty list.
+            api_name: Defines how the endpoint appears in the API docs. Can be a string, None, or False. If False, the endpoint will not be exposed in the api docs. If set to None, the endpoint will be exposed in the api docs as an unnamed endpoint, although this behavior will be changed in Gradio 4.0. If set to a string, the endpoint will be exposed in the api docs with the given name.
+            scroll_to_output: If True, will scroll to output component on completion
+            show_progress: If True, will show progress animation while pending
+            queue: If True, will place the request on the queue, if the queue has been enabled. If False, will not put this event on the queue, even if the queue has been enabled. If None, will use the queue setting of the gradio app.
+            batch: If True, then the function should process a batch of inputs, meaning that it should accept a list of input values for each parameter. The lists should be of equal length (and be up to length `max_batch_size`). The function is then *required* to return a tuple of lists (even if there is only 1 output component), with each list in the tuple corresponding to one output component.
+            max_batch_size: Maximum number of inputs to batch together if this is called from the queue (only relevant if batch=True)
+            preprocess: If False, will not run preprocessing of component data before running 'fn' (e.g. leaving it as a base64 string if this method is called with the `Image` component).
+            postprocess: If False, will not run postprocessing of component data before returning 'fn' output to the browser.
+            cancels: A list of other events to cancel when this listener is triggered. For example, setting cancels=[click_event] will cancel the click_event, where click_event is the return value of another components .click method. Functions that have not yet run (or generators that are iterating) will be cancelled, but functions that are currently running will be allowed to finish.
+            every: Run this event 'every' number of seconds while the client connection is open. Interpreted in seconds. Queue must be enabled.
+            trigger_mode: If "once" (default for all events except `.change()`) would not allow any submissions while an event is pending. If set to "multiple", unlimited submissions are allowed while pending, and "always_last" (default for `.change()` event) would allow a second submission after the pending event is complete.
+        """
+        ...
+    
+    def upload(self,
+        fn: Callable | None,
+        inputs: Component | Sequence[Component] | set[Component] | None = None,
+        outputs: Component | Sequence[Component] | None = None,
+        api_name: str | None | Literal[False] = None,
+        status_tracker: None = None,
+        scroll_to_output: bool = False,
+        show_progress: Literal["full", "minimal", "hidden"] = "full",
+        queue: bool | None = None,
+        batch: bool = False,
+        max_batch_size: int = 4,
+        preprocess: bool = True,
+        postprocess: bool = True,
+        cancels: dict[str, Any] | list[dict[str, Any]] | None = None,
+        every: float | None = None,
+        trigger_mode: Literal["once", "multiple", "always_last"] | None = None,
+        _js: str | None = None,) -> Dependency:
+        """
+        Parameters:
+            fn: the function to call when this event is triggered. Often a machine learning model's prediction function. Each parameter of the function corresponds to one input component, and the function should return a single value or a tuple of values, with each element in the tuple corresponding to one output component.
+            inputs: List of gradio.components to use as inputs. If the function takes no inputs, this should be an empty list.
+            outputs: List of gradio.components to use as outputs. If the function returns no outputs, this should be an empty list.
+            api_name: Defines how the endpoint appears in the API docs. Can be a string, None, or False. If False, the endpoint will not be exposed in the api docs. If set to None, the endpoint will be exposed in the api docs as an unnamed endpoint, although this behavior will be changed in Gradio 4.0. If set to a string, the endpoint will be exposed in the api docs with the given name.
+            scroll_to_output: If True, will scroll to output component on completion
+            show_progress: If True, will show progress animation while pending
+            queue: If True, will place the request on the queue, if the queue has been enabled. If False, will not put this event on the queue, even if the queue has been enabled. If None, will use the queue setting of the gradio app.
+            batch: If True, then the function should process a batch of inputs, meaning that it should accept a list of input values for each parameter. The lists should be of equal length (and be up to length `max_batch_size`). The function is then *required* to return a tuple of lists (even if there is only 1 output component), with each list in the tuple corresponding to one output component.
+            max_batch_size: Maximum number of inputs to batch together if this is called from the queue (only relevant if batch=True)
+            preprocess: If False, will not run preprocessing of component data before running 'fn' (e.g. leaving it as a base64 string if this method is called with the `Image` component).
+            postprocess: If False, will not run postprocessing of component data before returning 'fn' output to the browser.
+            cancels: A list of other events to cancel when this listener is triggered. For example, setting cancels=[click_event] will cancel the click_event, where click_event is the return value of another components .click method. Functions that have not yet run (or generators that are iterating) will be cancelled, but functions that are currently running will be allowed to finish.
+            every: Run this event 'every' number of seconds while the client connection is open. Interpreted in seconds. Queue must be enabled.
+            trigger_mode: If "once" (default for all events except `.change()`) would not allow any submissions while an event is pending. If set to "multiple", unlimited submissions are allowed while pending, and "always_last" (default for `.change()` event) would allow a second submission after the pending event is complete.
+        """
+        ...

src/backend/gradio_coolimage/templates/component/__vite-browser-external-2447137e.js

@@ -0,0 +1,4 @@
+const e = {};
+export {
+  e as default
+};

src/backend/gradio_coolimage/templates/component/style.css

@@ -0,0 +1 @@
+.block.svelte-1t38q2d{position:relative;margin:0;box-shadow:var(--block-shadow);border-width:var(--block-border-width);border-color:var(--block-border-color);border-radius:var(--block-radius);background:var(--block-background-fill);width:100%;line-height:var(--line-sm)}.block.border_focus.svelte-1t38q2d{border-color:var(--color-accent)}.padded.svelte-1t38q2d{padding:var(--block-padding)}.hidden.svelte-1t38q2d{display:none}.hide-container.svelte-1t38q2d{margin:0;box-shadow:none;--block-border-width:0;background:transparent;padding:0;overflow:visible}div.svelte-1hnfib2{margin-bottom:var(--spacing-lg);color:var(--block-info-text-color);font-weight:var(--block-info-text-weight);font-size:var(--block-info-text-size);line-height:var(--line-sm)}span.has-info.svelte-22c38v{margin-bottom:var(--spacing-xs)}span.svelte-22c38v:not(.has-info){margin-bottom:var(--spacing-lg)}span.svelte-22c38v{display:inline-block;position:relative;z-index:var(--layer-4);border:solid var(--block-title-border-width) var(--block-title-border-color);border-radius:var(--block-title-radius);background:var(--block-title-background-fill);padding:var(--block-title-padding);color:var(--block-title-text-color);font-weight:var(--block-title-text-weight);font-size:var(--block-title-text-size);line-height:var(--line-sm)}.hide.svelte-22c38v{margin:0;height:0}label.svelte-9gxdi0{display:inline-flex;align-items:center;z-index:var(--layer-2);box-shadow:var(--block-label-shadow);border:var(--block-label-border-width) solid var(--border-color-primary);border-top:none;border-left:none;border-radius:var(--block-label-radius);background:var(--block-label-background-fill);padding:var(--block-label-padding);pointer-events:none;color:var(--block-label-text-color);font-weight:var(--block-label-text-weight);font-size:var(--block-label-text-size);line-height:var(--line-sm)}.gr-group 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src/backend/gradio_coolimage/templates/component/wrapper-6f348d45-f837cf34.js

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+};
+var Tt = Ct;
+const W = S, Te = ne, Lt = Tt, { kStatusCode: tt } = U, Nt = Buffer[Symbol.species], Pt = Buffer.from([0, 0, 255, 255]), se = Symbol("permessage-deflate"), w = Symbol("total-length"), V = Symbol("callback"), C = Symbol("buffers"), J = Symbol("error");
+let K, Rt = class {
+  /**
+   * Creates a PerMessageDeflate instance.
+   *
+   * @param {Object} [options] Configuration options
+   * @param {(Boolean|Number)} [options.clientMaxWindowBits] Advertise support
+   *     for, or request, a custom client window size
+   * @param {Boolean} [options.clientNoContextTakeover=false] Advertise/
+   *     acknowledge disabling of client context takeover
+   * @param {Number} [options.concurrencyLimit=10] The number of concurrent
+   *     calls to zlib
+   * @param {(Boolean|Number)} [options.serverMaxWindowBits] Request/confirm the
+   *     use of a custom server window size
+   * @param {Boolean} [options.serverNoContextTakeover=false] Request/accept
+   *     disabling of server context takeover
+   * @param {Number} [options.threshold=1024] Size (in bytes) below which
+   *     messages should not be compressed if context takeover is disabled
+   * @param {Object} [options.zlibDeflateOptions] Options to pass to zlib on
+   *     deflate
+   * @param {Object} [options.zlibInflateOptions] Options to pass to zlib on
+   *     inflate
+   * @param {Boolean} [isServer=false] Create the instance in either server or
+   *     client mode
+   * @param {Number} [maxPayload=0] The maximum allowed message length
+   */
+  constructor(e, t, r) {
+    if (this._maxPayload = r | 0, this._options = e || {}, this._threshold = this._options.threshold !== void 0 ? this._options.threshold : 1024, this._isServer = !!t, this._deflate = null, this._inflate = null, this.params = null, !K) {
+      const i = this._options.concurrencyLimit !== void 0 ? this._options.concurrencyLimit : 10;
+      K = new Lt(i);
+    }
+  }
+  /**
+   * @type {String}
+   */
+  static get extensionName() {
+    return "permessage-deflate";
+  }
+  /**
+   * Create an extension negotiation offer.
+   *
+   * @return {Object} Extension parameters
+   * @public
+   */
+  offer() {
+    const e = {};
+    return this._options.serverNoContextTakeover && (e.server_no_context_takeover = !0), this._options.clientNoContextTakeover && (e.client_no_context_takeover = !0), this._options.serverMaxWindowBits && (e.server_max_window_bits = this._options.serverMaxWindowBits), this._options.clientMaxWindowBits ? e.client_max_window_bits = this._options.clientMaxWindowBits : this._options.clientMaxWindowBits == null && (e.client_max_window_bits = !0), e;
+  }
+  /**
+   * Accept an extension negotiation offer/response.
+   *
+   * @param {Array} configurations The extension negotiation offers/reponse
+   * @return {Object} Accepted configuration
+   * @public
+   */
+  accept(e) {
+    return e = this.normalizeParams(e), this.params = this._isServer ? this.acceptAsServer(e) : this.acceptAsClient(e), this.params;
+  }
+  /**
+   * Releases all resources used by the extension.
+   *
+   * @public
+   */
+  cleanup() {
+    if (this._inflate && (this._inflate.close(), this._inflate = null), this._deflate) {
+      const e = this._deflate[V];
+      this._deflate.close(), this._deflate = null, e && e(
+        new Error(
+          "The deflate stream was closed while data was being processed"
+        )
+      );
+    }
+  }
+  /**
+   *  Accept an extension negotiation offer.
+   *
+   * @param {Array} offers The extension negotiation offers
+   * @return {Object} Accepted configuration
+   * @private
+   */
+  acceptAsServer(e) {
+    const t = this._options, r = e.find((i) => !(t.serverNoContextTakeover === !1 && i.server_no_context_takeover || i.server_max_window_bits && (t.serverMaxWindowBits === !1 || typeof t.serverMaxWindowBits == "number" && t.serverMaxWindowBits > i.server_max_window_bits) || typeof t.clientMaxWindowBits == "number" && !i.client_max_window_bits));
+    if (!r)
+      throw new Error("None of the extension offers can be accepted");
+    return t.serverNoContextTakeover && (r.server_no_context_takeover = !0), t.clientNoContextTakeover && (r.client_no_context_takeover = !0), typeof t.serverMaxWindowBits == "number" && (r.server_max_window_bits = t.serverMaxWindowBits), typeof t.clientMaxWindowBits == "number" ? r.client_max_window_bits = t.clientMaxWindowBits : (r.client_max_window_bits === !0 || t.clientMaxWindowBits === !1) && delete r.client_max_window_bits, r;
+  }
+  /**
+   * Accept the extension negotiation response.
+   *
+   * @param {Array} response The extension negotiation response
+   * @return {Object} Accepted configuration
+   * @private
+   */
+  acceptAsClient(e) {
+    const t = e[0];
+    if (this._options.clientNoContextTakeover === !1 && t.client_no_context_takeover)
+      throw new Error('Unexpected parameter "client_no_context_takeover"');
+    if (!t.client_max_window_bits)
+      typeof this._options.clientMaxWindowBits == "number" && (t.client_max_window_bits = this._options.clientMaxWindowBits);
+    else if (this._options.clientMaxWindowBits === !1 || typeof this._options.clientMaxWindowBits == "number" && t.client_max_window_bits > this._options.clientMaxWindowBits)
+      throw new Error(
+        'Unexpected or invalid parameter "client_max_window_bits"'
+      );
+    return t;
+  }
+  /**
+   * Normalize parameters.
+   *
+   * @param {Array} configurations The extension negotiation offers/reponse
+   * @return {Array} The offers/response with normalized parameters
+   * @private
+   */
+  normalizeParams(e) {
+    return e.forEach((t) => {
+      Object.keys(t).forEach((r) => {
+        let i = t[r];
+        if (i.length > 1)
+          throw new Error(`Parameter "${r}" must have only a single value`);
+        if (i = i[0], r === "client_max_window_bits") {
+          if (i !== !0) {
+            const n = +i;
+            if (!Number.isInteger(n) || n < 8 || n > 15)
+              throw new TypeError(
+                `Invalid value for parameter "${r}": ${i}`
+              );
+            i = n;
+          } else if (!this._isServer)
+            throw new TypeError(
+              `Invalid value for parameter "${r}": ${i}`
+            );
+        } else if (r === "server_max_window_bits") {
+          const n = +i;
+          if (!Number.isInteger(n) || n < 8 || n > 15)
+            throw new TypeError(
+              `Invalid value for parameter "${r}": ${i}`
+            );
+          i = n;
+        } else if (r === "client_no_context_takeover" || r === "server_no_context_takeover") {
+          if (i !== !0)
+            throw new TypeError(
+              `Invalid value for parameter "${r}": ${i}`
+            );
+        } else
+          throw new Error(`Unknown parameter "${r}"`);
+        t[r] = i;
+      });
+    }), e;
+  }
+  /**
+   * Decompress data. Concurrency limited.
+   *
+   * @param {Buffer} data Compressed data
+   * @param {Boolean} fin Specifies whether or not this is the last fragment
+   * @param {Function} callback Callback
+   * @public
+   */
+  decompress(e, t, r) {
+    K.add((i) => {
+      this._decompress(e, t, (n, o) => {
+        i(), r(n, o);
+      });
+    });
+  }
+  /**
+   * Compress data. Concurrency limited.
+   *
+   * @param {(Buffer|String)} data Data to compress
+   * @param {Boolean} fin Specifies whether or not this is the last fragment
+   * @param {Function} callback Callback
+   * @public
+   */
+  compress(e, t, r) {
+    K.add((i) => {
+      this._compress(e, t, (n, o) => {
+        i(), r(n, o);
+      });
+    });
+  }
+  /**
+   * Decompress data.
+   *
+   * @param {Buffer} data Compressed data
+   * @param {Boolean} fin Specifies whether or not this is the last fragment
+   * @param {Function} callback Callback
+   * @private
+   */
+  _decompress(e, t, r) {
+    const i = this._isServer ? "client" : "server";
+    if (!this._inflate) {
+      const n = `${i}_max_window_bits`, o = typeof this.params[n] != "number" ? W.Z_DEFAULT_WINDOWBITS : this.params[n];
+      this._inflate = W.createInflateRaw({
+        ...this._options.zlibInflateOptions,
+        windowBits: o
+      }), this._inflate[se] = this, this._inflate[w] = 0, this._inflate[C] = [], this._inflate.on("error", Bt), this._inflate.on("data", st);
+    }
+    this._inflate[V] = r, this._inflate.write(e), t && this._inflate.write(Pt), this._inflate.flush(() => {
+      const n = this._inflate[J];
+      if (n) {
+        this._inflate.close(), this._inflate = null, r(n);
+        return;
+      }
+      const o = Te.concat(
+        this._inflate[C],
+        this._inflate[w]
+      );
+      this._inflate._readableState.endEmitted ? (this._inflate.close(), this._inflate = null) : (this._inflate[w] = 0, this._inflate[C] = [], t && this.params[`${i}_no_context_takeover`] && this._inflate.reset()), r(null, o);
+    });
+  }
+  /**
+   * Compress data.
+   *
+   * @param {(Buffer|String)} data Data to compress
+   * @param {Boolean} fin Specifies whether or not this is the last fragment
+   * @param {Function} callback Callback
+   * @private
+   */
+  _compress(e, t, r) {
+    const i = this._isServer ? "server" : "client";
+    if (!this._deflate) {
+      const n = `${i}_max_window_bits`, o = typeof this.params[n] != "number" ? W.Z_DEFAULT_WINDOWBITS : this.params[n];
+      this._deflate = W.createDeflateRaw({
+        ...this._options.zlibDeflateOptions,
+        windowBits: o
+      }), this._deflate[w] = 0, this._deflate[C] = [], this._deflate.on("data", Ut);
+    }
+    this._deflate[V] = r, this._deflate.write(e), this._deflate.flush(W.Z_SYNC_FLUSH, () => {
+      if (!this._deflate)
+        return;
+      let n = Te.concat(
+        this._deflate[C],
+        this._deflate[w]
+      );
+      t && (n = new Nt(n.buffer, n.byteOffset, n.length - 4)), this._deflate[V] = null, this._deflate[w] = 0, this._deflate[C] = [], t && this.params[`${i}_no_context_takeover`] && this._deflate.reset(), r(null, n);
+    });
+  }
+};
+var oe = Rt;
+function Ut(s) {
+  this[C].push(s), this[w] += s.length;
+}
+function st(s) {
+  if (this[w] += s.length, this[se]._maxPayload < 1 || this[w] <= this[se]._maxPayload) {
+    this[C].push(s);
+    return;
+  }
+  this[J] = new RangeError("Max payload size exceeded"), this[J].code = "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH", this[J][tt] = 1009, this.removeListener("data", st), this.reset();
+}
+function Bt(s) {
+  this[se]._inflate = null, s[tt] = 1007, this[V](s);
+}
+var re = { exports: {} };
+const $t = {}, Mt = /* @__PURE__ */ Object.freeze(/* @__PURE__ */ Object.defineProperty({
+  __proto__: null,
+  default: $t
+}, Symbol.toStringTag, { value: "Module" })), It = /* @__PURE__ */ gt(Mt);
+var Le;
+const { isUtf8: Ne } = S, Dt = [
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  // 0 - 15
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  // 16 - 31
+  0,
+  1,
+  0,
+  1,
+  1,
+  1,
+  1,
+  1,
+  0,
+  0,
+  1,
+  1,
+  0,
+  1,
+  1,
+  0,
+  // 32 - 47
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  // 48 - 63
+  0,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  // 64 - 79
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  0,
+  0,
+  0,
+  1,
+  1,
+  // 80 - 95
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  // 96 - 111
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  1,
+  0,
+  1,
+  0,
+  1,
+  0
+  // 112 - 127
+];
+function Wt(s) {
+  return s >= 1e3 && s <= 1014 && s !== 1004 && s !== 1005 && s !== 1006 || s >= 3e3 && s <= 4999;
+}
+function be(s) {
+  const e = s.length;
+  let t = 0;
+  for (; t < e; )
+    if (!(s[t] & 128))
+      t++;
+    else if ((s[t] & 224) === 192) {
+      if (t + 1 === e || (s[t + 1] & 192) !== 128 || (s[t] & 254) === 192)
+        return !1;
+      t += 2;
+    } else if ((s[t] & 240) === 224) {
+      if (t + 2 >= e || (s[t + 1] & 192) !== 128 || (s[t + 2] & 192) !== 128 || s[t] === 224 && (s[t + 1] & 224) === 128 || // Overlong
+      s[t] === 237 && (s[t + 1] & 224) === 160)
+        return !1;
+      t += 3;
+    } else if ((s[t] & 248) === 240) {
+      if (t + 3 >= e || (s[t + 1] & 192) !== 128 || (s[t + 2] & 192) !== 128 || (s[t + 3] & 192) !== 128 || s[t] === 240 && (s[t + 1] & 240) === 128 || // Overlong
+      s[t] === 244 && s[t + 1] > 143 || s[t] > 244)
+        return !1;
+      t += 4;
+    } else
+      return !1;
+  return !0;
+}
+re.exports = {
+  isValidStatusCode: Wt,
+  isValidUTF8: be,
+  tokenChars: Dt
+};
+if (Ne)
+  Le = re.exports.isValidUTF8 = function(s) {
+    return s.length < 24 ? be(s) : Ne(s);
+  };
+else if (!process.env.WS_NO_UTF_8_VALIDATE)
+  try {
+    const s = It;
+    Le = re.exports.isValidUTF8 = function(e) {
+      return e.length < 32 ? be(e) : s(e);
+    };
+  } catch {
+  }
+var ae = re.exports;
+const { Writable: At } = S, Pe = oe, {
+  BINARY_TYPES: Ft,
+  EMPTY_BUFFER: Re,
+  kStatusCode: jt,
+  kWebSocket: Gt
+} = U, { concat: de, toArrayBuffer: Vt, unmask: Ht } = ne, { isValidStatusCode: zt, isValidUTF8: Ue } = ae, X = Buffer[Symbol.species], A = 0, Be = 1, $e = 2, Me = 3, _e = 4, Yt = 5;
+let qt = class extends At {
+  /**
+   * Creates a Receiver instance.
+   *
+   * @param {Object} [options] Options object
+   * @param {String} [options.binaryType=nodebuffer] The type for binary data
+   * @param {Object} [options.extensions] An object containing the negotiated
+   *     extensions
+   * @param {Boolean} [options.isServer=false] Specifies whether to operate in
+   *     client or server mode
+   * @param {Number} [options.maxPayload=0] The maximum allowed message length
+   * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
+   *     not to skip UTF-8 validation for text and close messages
+   */
+  constructor(e = {}) {
+    super(), this._binaryType = e.binaryType || Ft[0], this._extensions = e.extensions || {}, this._isServer = !!e.isServer, this._maxPayload = e.maxPayload | 0, this._skipUTF8Validation = !!e.skipUTF8Validation, this[Gt] = void 0, this._bufferedBytes = 0, this._buffers = [], this._compressed = !1, this._payloadLength = 0, this._mask = void 0, this._fragmented = 0, this._masked = !1, this._fin = !1, this._opcode = 0, this._totalPayloadLength = 0, this._messageLength = 0, this._fragments = [], this._state = A, this._loop = !1;
+  }
+  /**
+   * Implements `Writable.prototype._write()`.
+   *
+   * @param {Buffer} chunk The chunk of data to write
+   * @param {String} encoding The character encoding of `chunk`
+   * @param {Function} cb Callback
+   * @private
+   */
+  _write(e, t, r) {
+    if (this._opcode === 8 && this._state == A)
+      return r();
+    this._bufferedBytes += e.length, this._buffers.push(e), this.startLoop(r);
+  }
+  /**
+   * Consumes `n` bytes from the buffered data.
+   *
+   * @param {Number} n The number of bytes to consume
+   * @return {Buffer} The consumed bytes
+   * @private
+   */
+  consume(e) {
+    if (this._bufferedBytes -= e, e === this._buffers[0].length)
+      return this._buffers.shift();
+    if (e < this._buffers[0].length) {
+      const r = this._buffers[0];
+      return this._buffers[0] = new X(
+        r.buffer,
+        r.byteOffset + e,
+        r.length - e
+      ), new X(r.buffer, r.byteOffset, e);
+    }
+    const t = Buffer.allocUnsafe(e);
+    do {
+      const r = this._buffers[0], i = t.length - e;
+      e >= r.length ? t.set(this._buffers.shift(), i) : (t.set(new Uint8Array(r.buffer, r.byteOffset, e), i), this._buffers[0] = new X(
+        r.buffer,
+        r.byteOffset + e,
+        r.length - e
+      )), e -= r.length;
+    } while (e > 0);
+    return t;
+  }
+  /**
+   * Starts the parsing loop.
+   *
+   * @param {Function} cb Callback
+   * @private
+   */
+  startLoop(e) {
+    let t;
+    this._loop = !0;
+    do
+      switch (this._state) {
+        case A:
+          t = this.getInfo();
+          break;
+        case Be:
+          t = this.getPayloadLength16();
+          break;
+        case $e:
+          t = this.getPayloadLength64();
+          break;
+        case Me:
+          this.getMask();
+          break;
+        case _e:
+          t = this.getData(e);
+          break;
+        default:
+          this._loop = !1;
+          return;
+      }
+    while (this._loop);
+    e(t);
+  }
+  /**
+   * Reads the first two bytes of a frame.
+   *
+   * @return {(RangeError|undefined)} A possible error
+   * @private
+   */
+  getInfo() {
+    if (this._bufferedBytes < 2) {
+      this._loop = !1;
+      return;
+    }
+    const e = this.consume(2);
+    if (e[0] & 48)
+      return this._loop = !1, g(
+        RangeError,
+        "RSV2 and RSV3 must be clear",
+        !0,
+        1002,
+        "WS_ERR_UNEXPECTED_RSV_2_3"
+      );
+    const t = (e[0] & 64) === 64;
+    if (t && !this._extensions[Pe.extensionName])
+      return this._loop = !1, g(
+        RangeError,
+        "RSV1 must be clear",
+        !0,
+        1002,
+        "WS_ERR_UNEXPECTED_RSV_1"
+      );
+    if (this._fin = (e[0] & 128) === 128, this._opcode = e[0] & 15, this._payloadLength = e[1] & 127, this._opcode === 0) {
+      if (t)
+        return this._loop = !1, g(
+          RangeError,
+          "RSV1 must be clear",
+          !0,
+          1002,
+          "WS_ERR_UNEXPECTED_RSV_1"
+        );
+      if (!this._fragmented)
+        return this._loop = !1, g(
+          RangeError,
+          "invalid opcode 0",
+          !0,
+          1002,
+          "WS_ERR_INVALID_OPCODE"
+        );
+      this._opcode = this._fragmented;
+    } else if (this._opcode === 1 || this._opcode === 2) {
+      if (this._fragmented)
+        return this._loop = !1, g(
+          RangeError,
+          `invalid opcode ${this._opcode}`,
+          !0,
+          1002,
+          "WS_ERR_INVALID_OPCODE"
+        );
+      this._compressed = t;
+    } else if (this._opcode > 7 && this._opcode < 11) {
+      if (!this._fin)
+        return this._loop = !1, g(
+          RangeError,
+          "FIN must be set",
+          !0,
+          1002,
+          "WS_ERR_EXPECTED_FIN"
+        );
+      if (t)
+        return this._loop = !1, g(
+          RangeError,
+          "RSV1 must be clear",
+          !0,
+          1002,
+          "WS_ERR_UNEXPECTED_RSV_1"
+        );
+      if (this._payloadLength > 125 || this._opcode === 8 && this._payloadLength === 1)
+        return this._loop = !1, g(
+          RangeError,
+          `invalid payload length ${this._payloadLength}`,
+          !0,
+          1002,
+          "WS_ERR_INVALID_CONTROL_PAYLOAD_LENGTH"
+        );
+    } else
+      return this._loop = !1, g(
+        RangeError,
+        `invalid opcode ${this._opcode}`,
+        !0,
+        1002,
+        "WS_ERR_INVALID_OPCODE"
+      );
+    if (!this._fin && !this._fragmented && (this._fragmented = this._opcode), this._masked = (e[1] & 128) === 128, this._isServer) {
+      if (!this._masked)
+        return this._loop = !1, g(
+          RangeError,
+          "MASK must be set",
+          !0,
+          1002,
+          "WS_ERR_EXPECTED_MASK"
+        );
+    } else if (this._masked)
+      return this._loop = !1, g(
+        RangeError,
+        "MASK must be clear",
+        !0,
+        1002,
+        "WS_ERR_UNEXPECTED_MASK"
+      );
+    if (this._payloadLength === 126)
+      this._state = Be;
+    else if (this._payloadLength === 127)
+      this._state = $e;
+    else
+      return this.haveLength();
+  }
+  /**
+   * Gets extended payload length (7+16).
+   *
+   * @return {(RangeError|undefined)} A possible error
+   * @private
+   */
+  getPayloadLength16() {
+    if (this._bufferedBytes < 2) {
+      this._loop = !1;
+      return;
+    }
+    return this._payloadLength = this.consume(2).readUInt16BE(0), this.haveLength();
+  }
+  /**
+   * Gets extended payload length (7+64).
+   *
+   * @return {(RangeError|undefined)} A possible error
+   * @private
+   */
+  getPayloadLength64() {
+    if (this._bufferedBytes < 8) {
+      this._loop = !1;
+      return;
+    }
+    const e = this.consume(8), t = e.readUInt32BE(0);
+    return t > Math.pow(2, 53 - 32) - 1 ? (this._loop = !1, g(
+      RangeError,
+      "Unsupported WebSocket frame: payload length > 2^53 - 1",
+      !1,
+      1009,
+      "WS_ERR_UNSUPPORTED_DATA_PAYLOAD_LENGTH"
+    )) : (this._payloadLength = t * Math.pow(2, 32) + e.readUInt32BE(4), this.haveLength());
+  }
+  /**
+   * Payload length has been read.
+   *
+   * @return {(RangeError|undefined)} A possible error
+   * @private
+   */
+  haveLength() {
+    if (this._payloadLength && this._opcode < 8 && (this._totalPayloadLength += this._payloadLength, this._totalPayloadLength > this._maxPayload && this._maxPayload > 0))
+      return this._loop = !1, g(
+        RangeError,
+        "Max payload size exceeded",
+        !1,
+        1009,
+        "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"
+      );
+    this._masked ? this._state = Me : this._state = _e;
+  }
+  /**
+   * Reads mask bytes.
+   *
+   * @private
+   */
+  getMask() {
+    if (this._bufferedBytes < 4) {
+      this._loop = !1;
+      return;
+    }
+    this._mask = this.consume(4), this._state = _e;
+  }
+  /**
+   * Reads data bytes.
+   *
+   * @param {Function} cb Callback
+   * @return {(Error|RangeError|undefined)} A possible error
+   * @private
+   */
+  getData(e) {
+    let t = Re;
+    if (this._payloadLength) {
+      if (this._bufferedBytes < this._payloadLength) {
+        this._loop = !1;
+        return;
+      }
+      t = this.consume(this._payloadLength), this._masked && this._mask[0] | this._mask[1] | this._mask[2] | this._mask[3] && Ht(t, this._mask);
+    }
+    if (this._opcode > 7)
+      return this.controlMessage(t);
+    if (this._compressed) {
+      this._state = Yt, this.decompress(t, e);
+      return;
+    }
+    return t.length && (this._messageLength = this._totalPayloadLength, this._fragments.push(t)), this.dataMessage();
+  }
+  /**
+   * Decompresses data.
+   *
+   * @param {Buffer} data Compressed data
+   * @param {Function} cb Callback
+   * @private
+   */
+  decompress(e, t) {
+    this._extensions[Pe.extensionName].decompress(e, this._fin, (i, n) => {
+      if (i)
+        return t(i);
+      if (n.length) {
+        if (this._messageLength += n.length, this._messageLength > this._maxPayload && this._maxPayload > 0)
+          return t(
+            g(
+              RangeError,
+              "Max payload size exceeded",
+              !1,
+              1009,
+              "WS_ERR_UNSUPPORTED_MESSAGE_LENGTH"
+            )
+          );
+        this._fragments.push(n);
+      }
+      const o = this.dataMessage();
+      if (o)
+        return t(o);
+      this.startLoop(t);
+    });
+  }
+  /**
+   * Handles a data message.
+   *
+   * @return {(Error|undefined)} A possible error
+   * @private
+   */
+  dataMessage() {
+    if (this._fin) {
+      const e = this._messageLength, t = this._fragments;
+      if (this._totalPayloadLength = 0, this._messageLength = 0, this._fragmented = 0, this._fragments = [], this._opcode === 2) {
+        let r;
+        this._binaryType === "nodebuffer" ? r = de(t, e) : this._binaryType === "arraybuffer" ? r = Vt(de(t, e)) : r = t, this.emit("message", r, !0);
+      } else {
+        const r = de(t, e);
+        if (!this._skipUTF8Validation && !Ue(r))
+          return this._loop = !1, g(
+            Error,
+            "invalid UTF-8 sequence",
+            !0,
+            1007,
+            "WS_ERR_INVALID_UTF8"
+          );
+        this.emit("message", r, !1);
+      }
+    }
+    this._state = A;
+  }
+  /**
+   * Handles a control message.
+   *
+   * @param {Buffer} data Data to handle
+   * @return {(Error|RangeError|undefined)} A possible error
+   * @private
+   */
+  controlMessage(e) {
+    if (this._opcode === 8)
+      if (this._loop = !1, e.length === 0)
+        this.emit("conclude", 1005, Re), this.end();
+      else {
+        const t = e.readUInt16BE(0);
+        if (!zt(t))
+          return g(
+            RangeError,
+            `invalid status code ${t}`,
+            !0,
+            1002,
+            "WS_ERR_INVALID_CLOSE_CODE"
+          );
+        const r = new X(
+          e.buffer,
+          e.byteOffset + 2,
+          e.length - 2
+        );
+        if (!this._skipUTF8Validation && !Ue(r))
+          return g(
+            Error,
+            "invalid UTF-8 sequence",
+            !0,
+            1007,
+            "WS_ERR_INVALID_UTF8"
+          );
+        this.emit("conclude", t, r), this.end();
+      }
+    else
+      this._opcode === 9 ? this.emit("ping", e) : this.emit("pong", e);
+    this._state = A;
+  }
+};
+var rt = qt;
+function g(s, e, t, r, i) {
+  const n = new s(
+    t ? `Invalid WebSocket frame: ${e}` : e
+  );
+  return Error.captureStackTrace(n, g), n.code = i, n[jt] = r, n;
+}
+const qs = /* @__PURE__ */ z(rt), { randomFillSync: Kt } = S, Ie = oe, { EMPTY_BUFFER: Xt } = U, { isValidStatusCode: Zt } = ae, { mask: De, toBuffer: M } = ne, x = Symbol("kByteLength"), Qt = Buffer.alloc(4);
+let Jt = class P {
+  /**
+   * Creates a Sender instance.
+   *
+   * @param {(net.Socket|tls.Socket)} socket The connection socket
+   * @param {Object} [extensions] An object containing the negotiated extensions
+   * @param {Function} [generateMask] The function used to generate the masking
+   *     key
+   */
+  constructor(e, t, r) {
+    this._extensions = t || {}, r && (this._generateMask = r, this._maskBuffer = Buffer.alloc(4)), this._socket = e, this._firstFragment = !0, this._compress = !1, this._bufferedBytes = 0, this._deflating = !1, this._queue = [];
+  }
+  /**
+   * Frames a piece of data according to the HyBi WebSocket protocol.
+   *
+   * @param {(Buffer|String)} data The data to frame
+   * @param {Object} options Options object
+   * @param {Boolean} [options.fin=false] Specifies whether or not to set the
+   *     FIN bit
+   * @param {Function} [options.generateMask] The function used to generate the
+   *     masking key
+   * @param {Boolean} [options.mask=false] Specifies whether or not to mask
+   *     `data`
+   * @param {Buffer} [options.maskBuffer] The buffer used to store the masking
+   *     key
+   * @param {Number} options.opcode The opcode
+   * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
+   *     modified
+   * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
+   *     RSV1 bit
+   * @return {(Buffer|String)[]} The framed data
+   * @public
+   */
+  static frame(e, t) {
+    let r, i = !1, n = 2, o = !1;
+    t.mask && (r = t.maskBuffer || Qt, t.generateMask ? t.generateMask(r) : Kt(r, 0, 4), o = (r[0] | r[1] | r[2] | r[3]) === 0, n = 6);
+    let l;
+    typeof e == "string" ? (!t.mask || o) && t[x] !== void 0 ? l = t[x] : (e = Buffer.from(e), l = e.length) : (l = e.length, i = t.mask && t.readOnly && !o);
+    let f = l;
+    l >= 65536 ? (n += 8, f = 127) : l > 125 && (n += 2, f = 126);
+    const a = Buffer.allocUnsafe(i ? l + n : n);
+    return a[0] = t.fin ? t.opcode | 128 : t.opcode, t.rsv1 && (a[0] |= 64), a[1] = f, f === 126 ? a.writeUInt16BE(l, 2) : f === 127 && (a[2] = a[3] = 0, a.writeUIntBE(l, 4, 6)), t.mask ? (a[1] |= 128, a[n - 4] = r[0], a[n - 3] = r[1], a[n - 2] = r[2], a[n - 1] = r[3], o ? [a, e] : i ? (De(e, r, a, n, l), [a]) : (De(e, r, e, 0, l), [a, e])) : [a, e];
+  }
+  /**
+   * Sends a close message to the other peer.
+   *
+   * @param {Number} [code] The status code component of the body
+   * @param {(String|Buffer)} [data] The message component of the body
+   * @param {Boolean} [mask=false] Specifies whether or not to mask the message
+   * @param {Function} [cb] Callback
+   * @public
+   */
+  close(e, t, r, i) {
+    let n;
+    if (e === void 0)
+      n = Xt;
+    else {
+      if (typeof e != "number" || !Zt(e))
+        throw new TypeError("First argument must be a valid error code number");
+      if (t === void 0 || !t.length)
+        n = Buffer.allocUnsafe(2), n.writeUInt16BE(e, 0);
+      else {
+        const l = Buffer.byteLength(t);
+        if (l > 123)
+          throw new RangeError("The message must not be greater than 123 bytes");
+        n = Buffer.allocUnsafe(2 + l), n.writeUInt16BE(e, 0), typeof t == "string" ? n.write(t, 2) : n.set(t, 2);
+      }
+    }
+    const o = {
+      [x]: n.length,
+      fin: !0,
+      generateMask: this._generateMask,
+      mask: r,
+      maskBuffer: this._maskBuffer,
+      opcode: 8,
+      readOnly: !1,
+      rsv1: !1
+    };
+    this._deflating ? this.enqueue([this.dispatch, n, !1, o, i]) : this.sendFrame(P.frame(n, o), i);
+  }
+  /**
+   * Sends a ping message to the other peer.
+   *
+   * @param {*} data The message to send
+   * @param {Boolean} [mask=false] Specifies whether or not to mask `data`
+   * @param {Function} [cb] Callback
+   * @public
+   */
+  ping(e, t, r) {
+    let i, n;
+    if (typeof e == "string" ? (i = Buffer.byteLength(e), n = !1) : (e = M(e), i = e.length, n = M.readOnly), i > 125)
+      throw new RangeError("The data size must not be greater than 125 bytes");
+    const o = {
+      [x]: i,
+      fin: !0,
+      generateMask: this._generateMask,
+      mask: t,
+      maskBuffer: this._maskBuffer,
+      opcode: 9,
+      readOnly: n,
+      rsv1: !1
+    };
+    this._deflating ? this.enqueue([this.dispatch, e, !1, o, r]) : this.sendFrame(P.frame(e, o), r);
+  }
+  /**
+   * Sends a pong message to the other peer.
+   *
+   * @param {*} data The message to send
+   * @param {Boolean} [mask=false] Specifies whether or not to mask `data`
+   * @param {Function} [cb] Callback
+   * @public
+   */
+  pong(e, t, r) {
+    let i, n;
+    if (typeof e == "string" ? (i = Buffer.byteLength(e), n = !1) : (e = M(e), i = e.length, n = M.readOnly), i > 125)
+      throw new RangeError("The data size must not be greater than 125 bytes");
+    const o = {
+      [x]: i,
+      fin: !0,
+      generateMask: this._generateMask,
+      mask: t,
+      maskBuffer: this._maskBuffer,
+      opcode: 10,
+      readOnly: n,
+      rsv1: !1
+    };
+    this._deflating ? this.enqueue([this.dispatch, e, !1, o, r]) : this.sendFrame(P.frame(e, o), r);
+  }
+  /**
+   * Sends a data message to the other peer.
+   *
+   * @param {*} data The message to send
+   * @param {Object} options Options object
+   * @param {Boolean} [options.binary=false] Specifies whether `data` is binary
+   *     or text
+   * @param {Boolean} [options.compress=false] Specifies whether or not to
+   *     compress `data`
+   * @param {Boolean} [options.fin=false] Specifies whether the fragment is the
+   *     last one
+   * @param {Boolean} [options.mask=false] Specifies whether or not to mask
+   *     `data`
+   * @param {Function} [cb] Callback
+   * @public
+   */
+  send(e, t, r) {
+    const i = this._extensions[Ie.extensionName];
+    let n = t.binary ? 2 : 1, o = t.compress, l, f;
+    if (typeof e == "string" ? (l = Buffer.byteLength(e), f = !1) : (e = M(e), l = e.length, f = M.readOnly), this._firstFragment ? (this._firstFragment = !1, o && i && i.params[i._isServer ? "server_no_context_takeover" : "client_no_context_takeover"] && (o = l >= i._threshold), this._compress = o) : (o = !1, n = 0), t.fin && (this._firstFragment = !0), i) {
+      const a = {
+        [x]: l,
+        fin: t.fin,
+        generateMask: this._generateMask,
+        mask: t.mask,
+        maskBuffer: this._maskBuffer,
+        opcode: n,
+        readOnly: f,
+        rsv1: o
+      };
+      this._deflating ? this.enqueue([this.dispatch, e, this._compress, a, r]) : this.dispatch(e, this._compress, a, r);
+    } else
+      this.sendFrame(
+        P.frame(e, {
+          [x]: l,
+          fin: t.fin,
+          generateMask: this._generateMask,
+          mask: t.mask,
+          maskBuffer: this._maskBuffer,
+          opcode: n,
+          readOnly: f,
+          rsv1: !1
+        }),
+        r
+      );
+  }
+  /**
+   * Dispatches a message.
+   *
+   * @param {(Buffer|String)} data The message to send
+   * @param {Boolean} [compress=false] Specifies whether or not to compress
+   *     `data`
+   * @param {Object} options Options object
+   * @param {Boolean} [options.fin=false] Specifies whether or not to set the
+   *     FIN bit
+   * @param {Function} [options.generateMask] The function used to generate the
+   *     masking key
+   * @param {Boolean} [options.mask=false] Specifies whether or not to mask
+   *     `data`
+   * @param {Buffer} [options.maskBuffer] The buffer used to store the masking
+   *     key
+   * @param {Number} options.opcode The opcode
+   * @param {Boolean} [options.readOnly=false] Specifies whether `data` can be
+   *     modified
+   * @param {Boolean} [options.rsv1=false] Specifies whether or not to set the
+   *     RSV1 bit
+   * @param {Function} [cb] Callback
+   * @private
+   */
+  dispatch(e, t, r, i) {
+    if (!t) {
+      this.sendFrame(P.frame(e, r), i);
+      return;
+    }
+    const n = this._extensions[Ie.extensionName];
+    this._bufferedBytes += r[x], this._deflating = !0, n.compress(e, r.fin, (o, l) => {
+      if (this._socket.destroyed) {
+        const f = new Error(
+          "The socket was closed while data was being compressed"
+        );
+        typeof i == "function" && i(f);
+        for (let a = 0; a < this._queue.length; a++) {
+          const c = this._queue[a], h = c[c.length - 1];
+          typeof h == "function" && h(f);
+        }
+        return;
+      }
+      this._bufferedBytes -= r[x], this._deflating = !1, r.readOnly = !1, this.sendFrame(P.frame(l, r), i), this.dequeue();
+    });
+  }
+  /**
+   * Executes queued send operations.
+   *
+   * @private
+   */
+  dequeue() {
+    for (; !this._deflating && this._queue.length; ) {
+      const e = this._queue.shift();
+      this._bufferedBytes -= e[3][x], Reflect.apply(e[0], this, e.slice(1));
+    }
+  }
+  /**
+   * Enqueues a send operation.
+   *
+   * @param {Array} params Send operation parameters.
+   * @private
+   */
+  enqueue(e) {
+    this._bufferedBytes += e[3][x], this._queue.push(e);
+  }
+  /**
+   * Sends a frame.
+   *
+   * @param {Buffer[]} list The frame to send
+   * @param {Function} [cb] Callback
+   * @private
+   */
+  sendFrame(e, t) {
+    e.length === 2 ? (this._socket.cork(), this._socket.write(e[0]), this._socket.write(e[1], t), this._socket.uncork()) : this._socket.write(e[0], t);
+  }
+};
+var it = Jt;
+const Ks = /* @__PURE__ */ z(it), { kForOnEventAttribute: F, kListener: pe } = U, We = Symbol("kCode"), Ae = Symbol("kData"), Fe = Symbol("kError"), je = Symbol("kMessage"), Ge = Symbol("kReason"), I = Symbol("kTarget"), Ve = Symbol("kType"), He = Symbol("kWasClean");
+class B {
+  /**
+   * Create a new `Event`.
+   *
+   * @param {String} type The name of the event
+   * @throws {TypeError} If the `type` argument is not specified
+   */
+  constructor(e) {
+    this[I] = null, this[Ve] = e;
+  }
+  /**
+   * @type {*}
+   */
+  get target() {
+    return this[I];
+  }
+  /**
+   * @type {String}
+   */
+  get type() {
+    return this[Ve];
+  }
+}
+Object.defineProperty(B.prototype, "target", { enumerable: !0 });
+Object.defineProperty(B.prototype, "type", { enumerable: !0 });
+class Y extends B {
+  /**
+   * Create a new `CloseEvent`.
+   *
+   * @param {String} type The name of the event
+   * @param {Object} [options] A dictionary object that allows for setting
+   *     attributes via object members of the same name
+   * @param {Number} [options.code=0] The status code explaining why the
+   *     connection was closed
+   * @param {String} [options.reason=''] A human-readable string explaining why
+   *     the connection was closed
+   * @param {Boolean} [options.wasClean=false] Indicates whether or not the
+   *     connection was cleanly closed
+   */
+  constructor(e, t = {}) {
+    super(e), this[We] = t.code === void 0 ? 0 : t.code, this[Ge] = t.reason === void 0 ? "" : t.reason, this[He] = t.wasClean === void 0 ? !1 : t.wasClean;
+  }
+  /**
+   * @type {Number}
+   */
+  get code() {
+    return this[We];
+  }
+  /**
+   * @type {String}
+   */
+  get reason() {
+    return this[Ge];
+  }
+  /**
+   * @type {Boolean}
+   */
+  get wasClean() {
+    return this[He];
+  }
+}
+Object.defineProperty(Y.prototype, "code", { enumerable: !0 });
+Object.defineProperty(Y.prototype, "reason", { enumerable: !0 });
+Object.defineProperty(Y.prototype, "wasClean", { enumerable: !0 });
+class le extends B {
+  /**
+   * Create a new `ErrorEvent`.
+   *
+   * @param {String} type The name of the event
+   * @param {Object} [options] A dictionary object that allows for setting
+   *     attributes via object members of the same name
+   * @param {*} [options.error=null] The error that generated this event
+   * @param {String} [options.message=''] The error message
+   */
+  constructor(e, t = {}) {
+    super(e), this[Fe] = t.error === void 0 ? null : t.error, this[je] = t.message === void 0 ? "" : t.message;
+  }
+  /**
+   * @type {*}
+   */
+  get error() {
+    return this[Fe];
+  }
+  /**
+   * @type {String}
+   */
+  get message() {
+    return this[je];
+  }
+}
+Object.defineProperty(le.prototype, "error", { enumerable: !0 });
+Object.defineProperty(le.prototype, "message", { enumerable: !0 });
+class xe extends B {
+  /**
+   * Create a new `MessageEvent`.
+   *
+   * @param {String} type The name of the event
+   * @param {Object} [options] A dictionary object that allows for setting
+   *     attributes via object members of the same name
+   * @param {*} [options.data=null] The message content
+   */
+  constructor(e, t = {}) {
+    super(e), this[Ae] = t.data === void 0 ? null : t.data;
+  }
+  /**
+   * @type {*}
+   */
+  get data() {
+    return this[Ae];
+  }
+}
+Object.defineProperty(xe.prototype, "data", { enumerable: !0 });
+const es = {
+  /**
+   * Register an event listener.
+   *
+   * @param {String} type A string representing the event type to listen for
+   * @param {(Function|Object)} handler The listener to add
+   * @param {Object} [options] An options object specifies characteristics about
+   *     the event listener
+   * @param {Boolean} [options.once=false] A `Boolean` indicating that the
+   *     listener should be invoked at most once after being added. If `true`,
+   *     the listener would be automatically removed when invoked.
+   * @public
+   */
+  addEventListener(s, e, t = {}) {
+    for (const i of this.listeners(s))
+      if (!t[F] && i[pe] === e && !i[F])
+        return;
+    let r;
+    if (s === "message")
+      r = function(n, o) {
+        const l = new xe("message", {
+          data: o ? n : n.toString()
+        });
+        l[I] = this, Z(e, this, l);
+      };
+    else if (s === "close")
+      r = function(n, o) {
+        const l = new Y("close", {
+          code: n,
+          reason: o.toString(),
+          wasClean: this._closeFrameReceived && this._closeFrameSent
+        });
+        l[I] = this, Z(e, this, l);
+      };
+    else if (s === "error")
+      r = function(n) {
+        const o = new le("error", {
+          error: n,
+          message: n.message
+        });
+        o[I] = this, Z(e, this, o);
+      };
+    else if (s === "open")
+      r = function() {
+        const n = new B("open");
+        n[I] = this, Z(e, this, n);
+      };
+    else
+      return;
+    r[F] = !!t[F], r[pe] = e, t.once ? this.once(s, r) : this.on(s, r);
+  },
+  /**
+   * Remove an event listener.
+   *
+   * @param {String} type A string representing the event type to remove
+   * @param {(Function|Object)} handler The listener to remove
+   * @public
+   */
+  removeEventListener(s, e) {
+    for (const t of this.listeners(s))
+      if (t[pe] === e && !t[F]) {
+        this.removeListener(s, t);
+        break;
+      }
+  }
+};
+var ts = {
+  CloseEvent: Y,
+  ErrorEvent: le,
+  Event: B,
+  EventTarget: es,
+  MessageEvent: xe
+};
+function Z(s, e, t) {
+  typeof s == "object" && s.handleEvent ? s.handleEvent.call(s, t) : s.call(e, t);
+}
+const { tokenChars: j } = ae;
+function k(s, e, t) {
+  s[e] === void 0 ? s[e] = [t] : s[e].push(t);
+}
+function ss(s) {
+  const e = /* @__PURE__ */ Object.create(null);
+  let t = /* @__PURE__ */ Object.create(null), r = !1, i = !1, n = !1, o, l, f = -1, a = -1, c = -1, h = 0;
+  for (; h < s.length; h++)
+    if (a = s.charCodeAt(h), o === void 0)
+      if (c === -1 && j[a] === 1)
+        f === -1 && (f = h);
+      else if (h !== 0 && (a === 32 || a === 9))
+        c === -1 && f !== -1 && (c = h);
+      else if (a === 59 || a === 44) {
+        if (f === -1)
+          throw new SyntaxError(`Unexpected character at index ${h}`);
+        c === -1 && (c = h);
+        const v = s.slice(f, c);
+        a === 44 ? (k(e, v, t), t = /* @__PURE__ */ Object.create(null)) : o = v, f = c = -1;
+      } else
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+    else if (l === void 0)
+      if (c === -1 && j[a] === 1)
+        f === -1 && (f = h);
+      else if (a === 32 || a === 9)
+        c === -1 && f !== -1 && (c = h);
+      else if (a === 59 || a === 44) {
+        if (f === -1)
+          throw new SyntaxError(`Unexpected character at index ${h}`);
+        c === -1 && (c = h), k(t, s.slice(f, c), !0), a === 44 && (k(e, o, t), t = /* @__PURE__ */ Object.create(null), o = void 0), f = c = -1;
+      } else if (a === 61 && f !== -1 && c === -1)
+        l = s.slice(f, h), f = c = -1;
+      else
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+    else if (i) {
+      if (j[a] !== 1)
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+      f === -1 ? f = h : r || (r = !0), i = !1;
+    } else if (n)
+      if (j[a] === 1)
+        f === -1 && (f = h);
+      else if (a === 34 && f !== -1)
+        n = !1, c = h;
+      else if (a === 92)
+        i = !0;
+      else
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+    else if (a === 34 && s.charCodeAt(h - 1) === 61)
+      n = !0;
+    else if (c === -1 && j[a] === 1)
+      f === -1 && (f = h);
+    else if (f !== -1 && (a === 32 || a === 9))
+      c === -1 && (c = h);
+    else if (a === 59 || a === 44) {
+      if (f === -1)
+        throw new SyntaxError(`Unexpected character at index ${h}`);
+      c === -1 && (c = h);
+      let v = s.slice(f, c);
+      r && (v = v.replace(/\\/g, ""), r = !1), k(t, l, v), a === 44 && (k(e, o, t), t = /* @__PURE__ */ Object.create(null), o = void 0), l = void 0, f = c = -1;
+    } else
+      throw new SyntaxError(`Unexpected character at index ${h}`);
+  if (f === -1 || n || a === 32 || a === 9)
+    throw new SyntaxError("Unexpected end of input");
+  c === -1 && (c = h);
+  const p = s.slice(f, c);
+  return o === void 0 ? k(e, p, t) : (l === void 0 ? k(t, p, !0) : r ? k(t, l, p.replace(/\\/g, "")) : k(t, l, p), k(e, o, t)), e;
+}
+function rs(s) {
+  return Object.keys(s).map((e) => {
+    let t = s[e];
+    return Array.isArray(t) || (t = [t]), t.map((r) => [e].concat(
+      Object.keys(r).map((i) => {
+        let n = r[i];
+        return Array.isArray(n) || (n = [n]), n.map((o) => o === !0 ? i : `${i}=${o}`).join("; ");
+      })
+    ).join("; ")).join(", ");
+  }).join(", ");
+}
+var nt = { format: rs, parse: ss };
+const is = S, ns = S, os = S, ot = S, as = S, { randomBytes: ls, createHash: fs } = S, { URL: me } = S, T = oe, hs = rt, cs = it, {
+  BINARY_TYPES: ze,
+  EMPTY_BUFFER: Q,
+  GUID: us,
+  kForOnEventAttribute: ge,
+  kListener: ds,
+  kStatusCode: _s,
+  kWebSocket: y,
+  NOOP: at
+} = U, {
+  EventTarget: { addEventListener: ps, removeEventListener: ms }
+} = ts, { format: gs, parse: ys } = nt, { toBuffer: vs } = ne, Ss = 30 * 1e3, lt = Symbol("kAborted"), ye = [8, 13], O = ["CONNECTING", "OPEN", "CLOSING", "CLOSED"], Es = /^[!#$%&'*+\-.0-9A-Z^_`|a-z~]+$/;
+let m = class d extends is {
+  /**
+   * Create a new `WebSocket`.
+   *
+   * @param {(String|URL)} address The URL to which to connect
+   * @param {(String|String[])} [protocols] The subprotocols
+   * @param {Object} [options] Connection options
+   */
+  constructor(e, t, r) {
+    super(), this._binaryType = ze[0], this._closeCode = 1006, this._closeFrameReceived = !1, this._closeFrameSent = !1, this._closeMessage = Q, this._closeTimer = null, this._extensions = {}, this._paused = !1, this._protocol = "", this._readyState = d.CONNECTING, this._receiver = null, this._sender = null, this._socket = null, e !== null ? (this._bufferedAmount = 0, this._isServer = !1, this._redirects = 0, t === void 0 ? t = [] : Array.isArray(t) || (typeof t == "object" && t !== null ? (r = t, t = []) : t = [t]), ht(this, e, t, r)) : this._isServer = !0;
+  }
+  /**
+   * This deviates from the WHATWG interface since ws doesn't support the
+   * required default "blob" type (instead we define a custom "nodebuffer"
+   * type).
+   *
+   * @type {String}
+   */
+  get binaryType() {
+    return this._binaryType;
+  }
+  set binaryType(e) {
+    ze.includes(e) && (this._binaryType = e, this._receiver && (this._receiver._binaryType = e));
+  }
+  /**
+   * @type {Number}
+   */
+  get bufferedAmount() {
+    return this._socket ? this._socket._writableState.length + this._sender._bufferedBytes : this._bufferedAmount;
+  }
+  /**
+   * @type {String}
+   */
+  get extensions() {
+    return Object.keys(this._extensions).join();
+  }
+  /**
+   * @type {Boolean}
+   */
+  get isPaused() {
+    return this._paused;
+  }
+  /**
+   * @type {Function}
+   */
+  /* istanbul ignore next */
+  get onclose() {
+    return null;
+  }
+  /**
+   * @type {Function}
+   */
+  /* istanbul ignore next */
+  get onerror() {
+    return null;
+  }
+  /**
+   * @type {Function}
+   */
+  /* istanbul ignore next */
+  get onopen() {
+    return null;
+  }
+  /**
+   * @type {Function}
+   */
+  /* istanbul ignore next */
+  get onmessage() {
+    return null;
+  }
+  /**
+   * @type {String}
+   */
+  get protocol() {
+    return this._protocol;
+  }
+  /**
+   * @type {Number}
+   */
+  get readyState() {
+    return this._readyState;
+  }
+  /**
+   * @type {String}
+   */
+  get url() {
+    return this._url;
+  }
+  /**
+   * Set up the socket and the internal resources.
+   *
+   * @param {(net.Socket|tls.Socket)} socket The network socket between the
+   *     server and client
+   * @param {Buffer} head The first packet of the upgraded stream
+   * @param {Object} options Options object
+   * @param {Function} [options.generateMask] The function used to generate the
+   *     masking key
+   * @param {Number} [options.maxPayload=0] The maximum allowed message size
+   * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
+   *     not to skip UTF-8 validation for text and close messages
+   * @private
+   */
+  setSocket(e, t, r) {
+    const i = new hs({
+      binaryType: this.binaryType,
+      extensions: this._extensions,
+      isServer: this._isServer,
+      maxPayload: r.maxPayload,
+      skipUTF8Validation: r.skipUTF8Validation
+    });
+    this._sender = new cs(e, this._extensions, r.generateMask), this._receiver = i, this._socket = e, i[y] = this, e[y] = this, i.on("conclude", ks), i.on("drain", ws), i.on("error", Os), i.on("message", Cs), i.on("ping", Ts), i.on("pong", Ls), e.setTimeout(0), e.setNoDelay(), t.length > 0 && e.unshift(t), e.on("close", ut), e.on("data", fe), e.on("end", dt), e.on("error", _t), this._readyState = d.OPEN, this.emit("open");
+  }
+  /**
+   * Emit the `'close'` event.
+   *
+   * @private
+   */
+  emitClose() {
+    if (!this._socket) {
+      this._readyState = d.CLOSED, this.emit("close", this._closeCode, this._closeMessage);
+      return;
+    }
+    this._extensions[T.extensionName] && this._extensions[T.extensionName].cleanup(), this._receiver.removeAllListeners(), this._readyState = d.CLOSED, this.emit("close", this._closeCode, this._closeMessage);
+  }
+  /**
+   * Start a closing handshake.
+   *
+   *          +----------+   +-----------+   +----------+
+   *     - - -|ws.close()|-->|close frame|-->|ws.close()|- - -
+   *    |     +----------+   +-----------+   +----------+     |
+   *          +----------+   +-----------+         |
+   * CLOSING  |ws.close()|<--|close frame|<--+-----+       CLOSING
+   *          +----------+   +-----------+   |
+   *    |           |                        |   +---+        |
+   *                +------------------------+-->|fin| - - - -
+   *    |         +---+                      |   +---+
+   *     - - - - -|fin|<---------------------+
+   *              +---+
+   *
+   * @param {Number} [code] Status code explaining why the connection is closing
+   * @param {(String|Buffer)} [data] The reason why the connection is
+   *     closing
+   * @public
+   */
+  close(e, t) {
+    if (this.readyState !== d.CLOSED) {
+      if (this.readyState === d.CONNECTING) {
+        const r = "WebSocket was closed before the connection was established";
+        b(this, this._req, r);
+        return;
+      }
+      if (this.readyState === d.CLOSING) {
+        this._closeFrameSent && (this._closeFrameReceived || this._receiver._writableState.errorEmitted) && this._socket.end();
+        return;
+      }
+      this._readyState = d.CLOSING, this._sender.close(e, t, !this._isServer, (r) => {
+        r || (this._closeFrameSent = !0, (this._closeFrameReceived || this._receiver._writableState.errorEmitted) && this._socket.end());
+      }), this._closeTimer = setTimeout(
+        this._socket.destroy.bind(this._socket),
+        Ss
+      );
+    }
+  }
+  /**
+   * Pause the socket.
+   *
+   * @public
+   */
+  pause() {
+    this.readyState === d.CONNECTING || this.readyState === d.CLOSED || (this._paused = !0, this._socket.pause());
+  }
+  /**
+   * Send a ping.
+   *
+   * @param {*} [data] The data to send
+   * @param {Boolean} [mask] Indicates whether or not to mask `data`
+   * @param {Function} [cb] Callback which is executed when the ping is sent
+   * @public
+   */
+  ping(e, t, r) {
+    if (this.readyState === d.CONNECTING)
+      throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
+    if (typeof e == "function" ? (r = e, e = t = void 0) : typeof t == "function" && (r = t, t = void 0), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) {
+      ve(this, e, r);
+      return;
+    }
+    t === void 0 && (t = !this._isServer), this._sender.ping(e || Q, t, r);
+  }
+  /**
+   * Send a pong.
+   *
+   * @param {*} [data] The data to send
+   * @param {Boolean} [mask] Indicates whether or not to mask `data`
+   * @param {Function} [cb] Callback which is executed when the pong is sent
+   * @public
+   */
+  pong(e, t, r) {
+    if (this.readyState === d.CONNECTING)
+      throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
+    if (typeof e == "function" ? (r = e, e = t = void 0) : typeof t == "function" && (r = t, t = void 0), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) {
+      ve(this, e, r);
+      return;
+    }
+    t === void 0 && (t = !this._isServer), this._sender.pong(e || Q, t, r);
+  }
+  /**
+   * Resume the socket.
+   *
+   * @public
+   */
+  resume() {
+    this.readyState === d.CONNECTING || this.readyState === d.CLOSED || (this._paused = !1, this._receiver._writableState.needDrain || this._socket.resume());
+  }
+  /**
+   * Send a data message.
+   *
+   * @param {*} data The message to send
+   * @param {Object} [options] Options object
+   * @param {Boolean} [options.binary] Specifies whether `data` is binary or
+   *     text
+   * @param {Boolean} [options.compress] Specifies whether or not to compress
+   *     `data`
+   * @param {Boolean} [options.fin=true] Specifies whether the fragment is the
+   *     last one
+   * @param {Boolean} [options.mask] Specifies whether or not to mask `data`
+   * @param {Function} [cb] Callback which is executed when data is written out
+   * @public
+   */
+  send(e, t, r) {
+    if (this.readyState === d.CONNECTING)
+      throw new Error("WebSocket is not open: readyState 0 (CONNECTING)");
+    if (typeof t == "function" && (r = t, t = {}), typeof e == "number" && (e = e.toString()), this.readyState !== d.OPEN) {
+      ve(this, e, r);
+      return;
+    }
+    const i = {
+      binary: typeof e != "string",
+      mask: !this._isServer,
+      compress: !0,
+      fin: !0,
+      ...t
+    };
+    this._extensions[T.extensionName] || (i.compress = !1), this._sender.send(e || Q, i, r);
+  }
+  /**
+   * Forcibly close the connection.
+   *
+   * @public
+   */
+  terminate() {
+    if (this.readyState !== d.CLOSED) {
+      if (this.readyState === d.CONNECTING) {
+        const e = "WebSocket was closed before the connection was established";
+        b(this, this._req, e);
+        return;
+      }
+      this._socket && (this._readyState = d.CLOSING, this._socket.destroy());
+    }
+  }
+};
+Object.defineProperty(m, "CONNECTING", {
+  enumerable: !0,
+  value: O.indexOf("CONNECTING")
+});
+Object.defineProperty(m.prototype, "CONNECTING", {
+  enumerable: !0,
+  value: O.indexOf("CONNECTING")
+});
+Object.defineProperty(m, "OPEN", {
+  enumerable: !0,
+  value: O.indexOf("OPEN")
+});
+Object.defineProperty(m.prototype, "OPEN", {
+  enumerable: !0,
+  value: O.indexOf("OPEN")
+});
+Object.defineProperty(m, "CLOSING", {
+  enumerable: !0,
+  value: O.indexOf("CLOSING")
+});
+Object.defineProperty(m.prototype, "CLOSING", {
+  enumerable: !0,
+  value: O.indexOf("CLOSING")
+});
+Object.defineProperty(m, "CLOSED", {
+  enumerable: !0,
+  value: O.indexOf("CLOSED")
+});
+Object.defineProperty(m.prototype, "CLOSED", {
+  enumerable: !0,
+  value: O.indexOf("CLOSED")
+});
+[
+  "binaryType",
+  "bufferedAmount",
+  "extensions",
+  "isPaused",
+  "protocol",
+  "readyState",
+  "url"
+].forEach((s) => {
+  Object.defineProperty(m.prototype, s, { enumerable: !0 });
+});
+["open", "error", "close", "message"].forEach((s) => {
+  Object.defineProperty(m.prototype, `on${s}`, {
+    enumerable: !0,
+    get() {
+      for (const e of this.listeners(s))
+        if (e[ge])
+          return e[ds];
+      return null;
+    },
+    set(e) {
+      for (const t of this.listeners(s))
+        if (t[ge]) {
+          this.removeListener(s, t);
+          break;
+        }
+      typeof e == "function" && this.addEventListener(s, e, {
+        [ge]: !0
+      });
+    }
+  });
+});
+m.prototype.addEventListener = ps;
+m.prototype.removeEventListener = ms;
+var ft = m;
+function ht(s, e, t, r) {
+  const i = {
+    protocolVersion: ye[1],
+    maxPayload: 104857600,
+    skipUTF8Validation: !1,
+    perMessageDeflate: !0,
+    followRedirects: !1,
+    maxRedirects: 10,
+    ...r,
+    createConnection: void 0,
+    socketPath: void 0,
+    hostname: void 0,
+    protocol: void 0,
+    timeout: void 0,
+    method: "GET",
+    host: void 0,
+    path: void 0,
+    port: void 0
+  };
+  if (!ye.includes(i.protocolVersion))
+    throw new RangeError(
+      `Unsupported protocol version: ${i.protocolVersion} (supported versions: ${ye.join(", ")})`
+    );
+  let n;
+  if (e instanceof me)
+    n = e, s._url = e.href;
+  else {
+    try {
+      n = new me(e);
+    } catch {
+      throw new SyntaxError(`Invalid URL: ${e}`);
+    }
+    s._url = e;
+  }
+  const o = n.protocol === "wss:", l = n.protocol === "ws+unix:";
+  let f;
+  if (n.protocol !== "ws:" && !o && !l ? f = `The URL's protocol must be one of "ws:", "wss:", or "ws+unix:"` : l && !n.pathname ? f = "The URL's pathname is empty" : n.hash && (f = "The URL contains a fragment identifier"), f) {
+    const u = new SyntaxError(f);
+    if (s._redirects === 0)
+      throw u;
+    ee(s, u);
+    return;
+  }
+  const a = o ? 443 : 80, c = ls(16).toString("base64"), h = o ? ns.request : os.request, p = /* @__PURE__ */ new Set();
+  let v;
+  if (i.createConnection = o ? xs : bs, i.defaultPort = i.defaultPort || a, i.port = n.port || a, i.host = n.hostname.startsWith("[") ? n.hostname.slice(1, -1) : n.hostname, i.headers = {
+    ...i.headers,
+    "Sec-WebSocket-Version": i.protocolVersion,
+    "Sec-WebSocket-Key": c,
+    Connection: "Upgrade",
+    Upgrade: "websocket"
+  }, i.path = n.pathname + n.search, i.timeout = i.handshakeTimeout, i.perMessageDeflate && (v = new T(
+    i.perMessageDeflate !== !0 ? i.perMessageDeflate : {},
+    !1,
+    i.maxPayload
+  ), i.headers["Sec-WebSocket-Extensions"] = gs({
+    [T.extensionName]: v.offer()
+  })), t.length) {
+    for (const u of t) {
+      if (typeof u != "string" || !Es.test(u) || p.has(u))
+        throw new SyntaxError(
+          "An invalid or duplicated subprotocol was specified"
+        );
+      p.add(u);
+    }
+    i.headers["Sec-WebSocket-Protocol"] = t.join(",");
+  }
+  if (i.origin && (i.protocolVersion < 13 ? i.headers["Sec-WebSocket-Origin"] = i.origin : i.headers.Origin = i.origin), (n.username || n.password) && (i.auth = `${n.username}:${n.password}`), l) {
+    const u = i.path.split(":");
+    i.socketPath = u[0], i.path = u[1];
+  }
+  let _;
+  if (i.followRedirects) {
+    if (s._redirects === 0) {
+      s._originalIpc = l, s._originalSecure = o, s._originalHostOrSocketPath = l ? i.socketPath : n.host;
+      const u = r && r.headers;
+      if (r = { ...r, headers: {} }, u)
+        for (const [E, $] of Object.entries(u))
+          r.headers[E.toLowerCase()] = $;
+    } else if (s.listenerCount("redirect") === 0) {
+      const u = l ? s._originalIpc ? i.socketPath === s._originalHostOrSocketPath : !1 : s._originalIpc ? !1 : n.host === s._originalHostOrSocketPath;
+      (!u || s._originalSecure && !o) && (delete i.headers.authorization, delete i.headers.cookie, u || delete i.headers.host, i.auth = void 0);
+    }
+    i.auth && !r.headers.authorization && (r.headers.authorization = "Basic " + Buffer.from(i.auth).toString("base64")), _ = s._req = h(i), s._redirects && s.emit("redirect", s.url, _);
+  } else
+    _ = s._req = h(i);
+  i.timeout && _.on("timeout", () => {
+    b(s, _, "Opening handshake has timed out");
+  }), _.on("error", (u) => {
+    _ === null || _[lt] || (_ = s._req = null, ee(s, u));
+  }), _.on("response", (u) => {
+    const E = u.headers.location, $ = u.statusCode;
+    if (E && i.followRedirects && $ >= 300 && $ < 400) {
+      if (++s._redirects > i.maxRedirects) {
+        b(s, _, "Maximum redirects exceeded");
+        return;
+      }
+      _.abort();
+      let q;
+      try {
+        q = new me(E, e);
+      } catch {
+        const L = new SyntaxError(`Invalid URL: ${E}`);
+        ee(s, L);
+        return;
+      }
+      ht(s, q, t, r);
+    } else
+      s.emit("unexpected-response", _, u) || b(
+        s,
+        _,
+        `Unexpected server response: ${u.statusCode}`
+      );
+  }), _.on("upgrade", (u, E, $) => {
+    if (s.emit("upgrade", u), s.readyState !== m.CONNECTING)
+      return;
+    if (_ = s._req = null, u.headers.upgrade.toLowerCase() !== "websocket") {
+      b(s, E, "Invalid Upgrade header");
+      return;
+    }
+    const q = fs("sha1").update(c + us).digest("base64");
+    if (u.headers["sec-websocket-accept"] !== q) {
+      b(s, E, "Invalid Sec-WebSocket-Accept header");
+      return;
+    }
+    const D = u.headers["sec-websocket-protocol"];
+    let L;
+    if (D !== void 0 ? p.size ? p.has(D) || (L = "Server sent an invalid subprotocol") : L = "Server sent a subprotocol but none was requested" : p.size && (L = "Server sent no subprotocol"), L) {
+      b(s, E, L);
+      return;
+    }
+    D && (s._protocol = D);
+    const ke = u.headers["sec-websocket-extensions"];
+    if (ke !== void 0) {
+      if (!v) {
+        b(s, E, "Server sent a Sec-WebSocket-Extensions header but no extension was requested");
+        return;
+      }
+      let he;
+      try {
+        he = ys(ke);
+      } catch {
+        b(s, E, "Invalid Sec-WebSocket-Extensions header");
+        return;
+      }
+      const we = Object.keys(he);
+      if (we.length !== 1 || we[0] !== T.extensionName) {
+        b(s, E, "Server indicated an extension that was not requested");
+        return;
+      }
+      try {
+        v.accept(he[T.extensionName]);
+      } catch {
+        b(s, E, "Invalid Sec-WebSocket-Extensions header");
+        return;
+      }
+      s._extensions[T.extensionName] = v;
+    }
+    s.setSocket(E, $, {
+      generateMask: i.generateMask,
+      maxPayload: i.maxPayload,
+      skipUTF8Validation: i.skipUTF8Validation
+    });
+  }), i.finishRequest ? i.finishRequest(_, s) : _.end();
+}
+function ee(s, e) {
+  s._readyState = m.CLOSING, s.emit("error", e), s.emitClose();
+}
+function bs(s) {
+  return s.path = s.socketPath, ot.connect(s);
+}
+function xs(s) {
+  return s.path = void 0, !s.servername && s.servername !== "" && (s.servername = ot.isIP(s.host) ? "" : s.host), as.connect(s);
+}
+function b(s, e, t) {
+  s._readyState = m.CLOSING;
+  const r = new Error(t);
+  Error.captureStackTrace(r, b), e.setHeader ? (e[lt] = !0, e.abort(), e.socket && !e.socket.destroyed && e.socket.destroy(), process.nextTick(ee, s, r)) : (e.destroy(r), e.once("error", s.emit.bind(s, "error")), e.once("close", s.emitClose.bind(s)));
+}
+function ve(s, e, t) {
+  if (e) {
+    const r = vs(e).length;
+    s._socket ? s._sender._bufferedBytes += r : s._bufferedAmount += r;
+  }
+  if (t) {
+    const r = new Error(
+      `WebSocket is not open: readyState ${s.readyState} (${O[s.readyState]})`
+    );
+    process.nextTick(t, r);
+  }
+}
+function ks(s, e) {
+  const t = this[y];
+  t._closeFrameReceived = !0, t._closeMessage = e, t._closeCode = s, t._socket[y] !== void 0 && (t._socket.removeListener("data", fe), process.nextTick(ct, t._socket), s === 1005 ? t.close() : t.close(s, e));
+}
+function ws() {
+  const s = this[y];
+  s.isPaused || s._socket.resume();
+}
+function Os(s) {
+  const e = this[y];
+  e._socket[y] !== void 0 && (e._socket.removeListener("data", fe), process.nextTick(ct, e._socket), e.close(s[_s])), e.emit("error", s);
+}
+function Ye() {
+  this[y].emitClose();
+}
+function Cs(s, e) {
+  this[y].emit("message", s, e);
+}
+function Ts(s) {
+  const e = this[y];
+  e.pong(s, !e._isServer, at), e.emit("ping", s);
+}
+function Ls(s) {
+  this[y].emit("pong", s);
+}
+function ct(s) {
+  s.resume();
+}
+function ut() {
+  const s = this[y];
+  this.removeListener("close", ut), this.removeListener("data", fe), this.removeListener("end", dt), s._readyState = m.CLOSING;
+  let e;
+  !this._readableState.endEmitted && !s._closeFrameReceived && !s._receiver._writableState.errorEmitted && (e = s._socket.read()) !== null && s._receiver.write(e), s._receiver.end(), this[y] = void 0, clearTimeout(s._closeTimer), s._receiver._writableState.finished || s._receiver._writableState.errorEmitted ? s.emitClose() : (s._receiver.on("error", Ye), s._receiver.on("finish", Ye));
+}
+function fe(s) {
+  this[y]._receiver.write(s) || this.pause();
+}
+function dt() {
+  const s = this[y];
+  s._readyState = m.CLOSING, s._receiver.end(), this.end();
+}
+function _t() {
+  const s = this[y];
+  this.removeListener("error", _t), this.on("error", at), s && (s._readyState = m.CLOSING, this.destroy());
+}
+const Xs = /* @__PURE__ */ z(ft), { tokenChars: Ns } = ae;
+function Ps(s) {
+  const e = /* @__PURE__ */ new Set();
+  let t = -1, r = -1, i = 0;
+  for (i; i < s.length; i++) {
+    const o = s.charCodeAt(i);
+    if (r === -1 && Ns[o] === 1)
+      t === -1 && (t = i);
+    else if (i !== 0 && (o === 32 || o === 9))
+      r === -1 && t !== -1 && (r = i);
+    else if (o === 44) {
+      if (t === -1)
+        throw new SyntaxError(`Unexpected character at index ${i}`);
+      r === -1 && (r = i);
+      const l = s.slice(t, r);
+      if (e.has(l))
+        throw new SyntaxError(`The "${l}" subprotocol is duplicated`);
+      e.add(l), t = r = -1;
+    } else
+      throw new SyntaxError(`Unexpected character at index ${i}`);
+  }
+  if (t === -1 || r !== -1)
+    throw new SyntaxError("Unexpected end of input");
+  const n = s.slice(t, i);
+  if (e.has(n))
+    throw new SyntaxError(`The "${n}" subprotocol is duplicated`);
+  return e.add(n), e;
+}
+var Rs = { parse: Ps };
+const Us = S, ie = S, { createHash: Bs } = S, qe = nt, N = oe, $s = Rs, Ms = ft, { GUID: Is, kWebSocket: Ds } = U, Ws = /^[+/0-9A-Za-z]{22}==$/, Ke = 0, Xe = 1, pt = 2;
+class As extends Us {
+  /**
+   * Create a `WebSocketServer` instance.
+   *
+   * @param {Object} options Configuration options
+   * @param {Number} [options.backlog=511] The maximum length of the queue of
+   *     pending connections
+   * @param {Boolean} [options.clientTracking=true] Specifies whether or not to
+   *     track clients
+   * @param {Function} [options.handleProtocols] A hook to handle protocols
+   * @param {String} [options.host] The hostname where to bind the server
+   * @param {Number} [options.maxPayload=104857600] The maximum allowed message
+   *     size
+   * @param {Boolean} [options.noServer=false] Enable no server mode
+   * @param {String} [options.path] Accept only connections matching this path
+   * @param {(Boolean|Object)} [options.perMessageDeflate=false] Enable/disable
+   *     permessage-deflate
+   * @param {Number} [options.port] The port where to bind the server
+   * @param {(http.Server|https.Server)} [options.server] A pre-created HTTP/S
+   *     server to use
+   * @param {Boolean} [options.skipUTF8Validation=false] Specifies whether or
+   *     not to skip UTF-8 validation for text and close messages
+   * @param {Function} [options.verifyClient] A hook to reject connections
+   * @param {Function} [options.WebSocket=WebSocket] Specifies the `WebSocket`
+   *     class to use. It must be the `WebSocket` class or class that extends it
+   * @param {Function} [callback] A listener for the `listening` event
+   */
+  constructor(e, t) {
+    if (super(), e = {
+      maxPayload: 100 * 1024 * 1024,
+      skipUTF8Validation: !1,
+      perMessageDeflate: !1,
+      handleProtocols: null,
+      clientTracking: !0,
+      verifyClient: null,
+      noServer: !1,
+      backlog: null,
+      // use default (511 as implemented in net.js)
+      server: null,
+      host: null,
+      path: null,
+      port: null,
+      WebSocket: Ms,
+      ...e
+    }, e.port == null && !e.server && !e.noServer || e.port != null && (e.server || e.noServer) || e.server && e.noServer)
+      throw new TypeError(
+        'One and only one of the "port", "server", or "noServer" options must be specified'
+      );
+    if (e.port != null ? (this._server = ie.createServer((r, i) => {
+      const n = ie.STATUS_CODES[426];
+      i.writeHead(426, {
+        "Content-Length": n.length,
+        "Content-Type": "text/plain"
+      }), i.end(n);
+    }), this._server.listen(
+      e.port,
+      e.host,
+      e.backlog,
+      t
+    )) : e.server && (this._server = e.server), this._server) {
+      const r = this.emit.bind(this, "connection");
+      this._removeListeners = js(this._server, {
+        listening: this.emit.bind(this, "listening"),
+        error: this.emit.bind(this, "error"),
+        upgrade: (i, n, o) => {
+          this.handleUpgrade(i, n, o, r);
+        }
+      });
+    }
+    e.perMessageDeflate === !0 && (e.perMessageDeflate = {}), e.clientTracking && (this.clients = /* @__PURE__ */ new Set(), this._shouldEmitClose = !1), this.options = e, this._state = Ke;
+  }
+  /**
+   * Returns the bound address, the address family name, and port of the server
+   * as reported by the operating system if listening on an IP socket.
+   * If the server is listening on a pipe or UNIX domain socket, the name is
+   * returned as a string.
+   *
+   * @return {(Object|String|null)} The address of the server
+   * @public
+   */
+  address() {
+    if (this.options.noServer)
+      throw new Error('The server is operating in "noServer" mode');
+    return this._server ? this._server.address() : null;
+  }
+  /**
+   * Stop the server from accepting new connections and emit the `'close'` event
+   * when all existing connections are closed.
+   *
+   * @param {Function} [cb] A one-time listener for the `'close'` event
+   * @public
+   */
+  close(e) {
+    if (this._state === pt) {
+      e && this.once("close", () => {
+        e(new Error("The server is not running"));
+      }), process.nextTick(G, this);
+      return;
+    }
+    if (e && this.once("close", e), this._state !== Xe)
+      if (this._state = Xe, this.options.noServer || this.options.server)
+        this._server && (this._removeListeners(), this._removeListeners = this._server = null), this.clients ? this.clients.size ? this._shouldEmitClose = !0 : process.nextTick(G, this) : process.nextTick(G, this);
+      else {
+        const t = this._server;
+        this._removeListeners(), this._removeListeners = this._server = null, t.close(() => {
+          G(this);
+        });
+      }
+  }
+  /**
+   * See if a given request should be handled by this server instance.
+   *
+   * @param {http.IncomingMessage} req Request object to inspect
+   * @return {Boolean} `true` if the request is valid, else `false`
+   * @public
+   */
+  shouldHandle(e) {
+    if (this.options.path) {
+      const t = e.url.indexOf("?");
+      if ((t !== -1 ? e.url.slice(0, t) : e.url) !== this.options.path)
+        return !1;
+    }
+    return !0;
+  }
+  /**
+   * Handle a HTTP Upgrade request.
+   *
+   * @param {http.IncomingMessage} req The request object
+   * @param {(net.Socket|tls.Socket)} socket The network socket between the
+   *     server and client
+   * @param {Buffer} head The first packet of the upgraded stream
+   * @param {Function} cb Callback
+   * @public
+   */
+  handleUpgrade(e, t, r, i) {
+    t.on("error", Ze);
+    const n = e.headers["sec-websocket-key"], o = +e.headers["sec-websocket-version"];
+    if (e.method !== "GET") {
+      R(this, e, t, 405, "Invalid HTTP method");
+      return;
+    }
+    if (e.headers.upgrade.toLowerCase() !== "websocket") {
+      R(this, e, t, 400, "Invalid Upgrade header");
+      return;
+    }
+    if (!n || !Ws.test(n)) {
+      R(this, e, t, 400, "Missing or invalid Sec-WebSocket-Key header");
+      return;
+    }
+    if (o !== 8 && o !== 13) {
+      R(this, e, t, 400, "Missing or invalid Sec-WebSocket-Version header");
+      return;
+    }
+    if (!this.shouldHandle(e)) {
+      H(t, 400);
+      return;
+    }
+    const l = e.headers["sec-websocket-protocol"];
+    let f = /* @__PURE__ */ new Set();
+    if (l !== void 0)
+      try {
+        f = $s.parse(l);
+      } catch {
+        R(this, e, t, 400, "Invalid Sec-WebSocket-Protocol header");
+        return;
+      }
+    const a = e.headers["sec-websocket-extensions"], c = {};
+    if (this.options.perMessageDeflate && a !== void 0) {
+      const h = new N(
+        this.options.perMessageDeflate,
+        !0,
+        this.options.maxPayload
+      );
+      try {
+        const p = qe.parse(a);
+        p[N.extensionName] && (h.accept(p[N.extensionName]), c[N.extensionName] = h);
+      } catch {
+        R(this, e, t, 400, "Invalid or unacceptable Sec-WebSocket-Extensions header");
+        return;
+      }
+    }
+    if (this.options.verifyClient) {
+      const h = {
+        origin: e.headers[`${o === 8 ? "sec-websocket-origin" : "origin"}`],
+        secure: !!(e.socket.authorized || e.socket.encrypted),
+        req: e
+      };
+      if (this.options.verifyClient.length === 2) {
+        this.options.verifyClient(h, (p, v, _, u) => {
+          if (!p)
+            return H(t, v || 401, _, u);
+          this.completeUpgrade(
+            c,
+            n,
+            f,
+            e,
+            t,
+            r,
+            i
+          );
+        });
+        return;
+      }
+      if (!this.options.verifyClient(h))
+        return H(t, 401);
+    }
+    this.completeUpgrade(c, n, f, e, t, r, i);
+  }
+  /**
+   * Upgrade the connection to WebSocket.
+   *
+   * @param {Object} extensions The accepted extensions
+   * @param {String} key The value of the `Sec-WebSocket-Key` header
+   * @param {Set} protocols The subprotocols
+   * @param {http.IncomingMessage} req The request object
+   * @param {(net.Socket|tls.Socket)} socket The network socket between the
+   *     server and client
+   * @param {Buffer} head The first packet of the upgraded stream
+   * @param {Function} cb Callback
+   * @throws {Error} If called more than once with the same socket
+   * @private
+   */
+  completeUpgrade(e, t, r, i, n, o, l) {
+    if (!n.readable || !n.writable)
+      return n.destroy();
+    if (n[Ds])
+      throw new Error(
+        "server.handleUpgrade() was called more than once with the same socket, possibly due to a misconfiguration"
+      );
+    if (this._state > Ke)
+      return H(n, 503);
+    const a = [
+      "HTTP/1.1 101 Switching Protocols",
+      "Upgrade: websocket",
+      "Connection: Upgrade",
+      `Sec-WebSocket-Accept: ${Bs("sha1").update(t + Is).digest("base64")}`
+    ], c = new this.options.WebSocket(null);
+    if (r.size) {
+      const h = this.options.handleProtocols ? this.options.handleProtocols(r, i) : r.values().next().value;
+      h && (a.push(`Sec-WebSocket-Protocol: ${h}`), c._protocol = h);
+    }
+    if (e[N.extensionName]) {
+      const h = e[N.extensionName].params, p = qe.format({
+        [N.extensionName]: [h]
+      });
+      a.push(`Sec-WebSocket-Extensions: ${p}`), c._extensions = e;
+    }
+    this.emit("headers", a, i), n.write(a.concat(`\r
+`).join(`\r
+`)), n.removeListener("error", Ze), c.setSocket(n, o, {
+      maxPayload: this.options.maxPayload,
+      skipUTF8Validation: this.options.skipUTF8Validation
+    }), this.clients && (this.clients.add(c), c.on("close", () => {
+      this.clients.delete(c), this._shouldEmitClose && !this.clients.size && process.nextTick(G, this);
+    })), l(c, i);
+  }
+}
+var Fs = As;
+function js(s, e) {
+  for (const t of Object.keys(e))
+    s.on(t, e[t]);
+  return function() {
+    for (const r of Object.keys(e))
+      s.removeListener(r, e[r]);
+  };
+}
+function G(s) {
+  s._state = pt, s.emit("close");
+}
+function Ze() {
+  this.destroy();
+}
+function H(s, e, t, r) {
+  t = t || ie.STATUS_CODES[e], r = {
+    Connection: "close",
+    "Content-Type": "text/html",
+    "Content-Length": Buffer.byteLength(t),
+    ...r
+  }, s.once("finish", s.destroy), s.end(
+    `HTTP/1.1 ${e} ${ie.STATUS_CODES[e]}\r
+` + Object.keys(r).map((i) => `${i}: ${r[i]}`).join(`\r
+`) + `\r
+\r
+` + t
+  );
+}
+function R(s, e, t, r, i) {
+  if (s.listenerCount("wsClientError")) {
+    const n = new Error(i);
+    Error.captureStackTrace(n, R), s.emit("wsClientError", n, t, e);
+  } else
+    H(t, r, i);
+}
+const Zs = /* @__PURE__ */ z(Fs);
+export {
+  qs as Receiver,
+  Ks as Sender,
+  Xs as WebSocket,
+  Zs as WebSocketServer,
+  Vs as createWebSocketStream,
+  Xs as default
+};

src/backend/gradio_coolimage/templates/example/index.js

@@ -0,0 +1,260 @@
+const { setContext: ee, getContext: v } = window.__gradio__svelte__internal, y = "WORKER_PROXY_CONTEXT_KEY";
+function k() {
+  return v(y);
+}
+async function f(s) {
+  if (s == null)
+    return s;
+  const e = new URL(s);
+  if (e.host !== window.location.host && e.host !== "localhost:7860" && e.host !== "127.0.0.1:7860" || e.protocol !== "http:" && e.protocol !== "https:")
+    return s;
+  const r = k();
+  if (r == null)
+    return s;
+  const n = e.pathname;
+  return r.httpRequest({
+    method: "GET",
+    path: n,
+    headers: {},
+    query_string: ""
+  }).then((t) => {
+    if (t.status !== 200)
+      throw new Error(`Failed to get file ${n} from the Wasm worker.`);
+    const l = new Blob([t.body], {
+      type: t.headers["Content-Type"]
+    });
+    return URL.createObjectURL(l);
+  });
+}
+const {
+  SvelteComponent: w,
+  append: C,
+  assign: i,
+  compute_rest_props: d,
+  detach: u,
+  element: b,
+  empty: E,
+  exclude_internal_props: R,
+  get_spread_update: q,
+  handle_promise: g,
+  init: O,
+  insert: m,
+  noop: c,
+  safe_not_equal: T,
+  set_attributes: h,
+  set_data: P,
+  set_style: U,
+  src_url_equal: W,
+  text: K,
+  toggle_class: p,
+  update_await_block_branch: X
+} = window.__gradio__svelte__internal;
+function Y(s) {
+  let e, r = (
+    /*error*/
+    s[3].message + ""
+  ), n;
+  return {
+    c() {
+      e = b("p"), n = K(r), U(e, "color", "red");
+    },
+    m(t, l) {
+      m(t, e, l), C(e, n);
+    },
+    p(t, l) {
+      l & /*src*/
+      1 && r !== (r = /*error*/
+      t[3].message + "") && P(n, r);
+    },
+    d(t) {
+      t && u(e);
+    }
+  };
+}
+function L(s) {
+  let e, r, n = [
+    {
+      src: r = /*resolved_src*/
+      s[2]
+    },
+    /*$$restProps*/
+    s[1]
+  ], t = {};
+  for (let l = 0; l < n.length; l += 1)
+    t = i(t, n[l]);
+  return {
+    c() {
+      e = b("img"), h(e, t), p(e, "svelte-1k8xp4f", !0);
+    },
+    m(l, o) {
+      m(l, e, o);
+    },
+    p(l, o) {
+      h(e, t = q(n, [
+        o & /*src*/
+        1 && !W(e.src, r = /*resolved_src*/
+        l[2]) && { src: r },
+        o & /*$$restProps*/
+        2 && /*$$restProps*/
+        l[1]
+      ])), p(e, "svelte-1k8xp4f", !0);
+    },
+    d(l) {
+      l && u(e);
+    }
+  };
+}
+function N(s) {
+  return { c, m: c, p: c, d: c };
+}
+function S(s) {
+  let e, r, n = {
+    ctx: s,
+    current: null,
+    token: null,
+    hasCatch: !0,
+    pending: N,
+    then: L,
+    catch: Y,
+    value: 2,
+    error: 3
+  };
+  return g(r = f(
+    /*src*/
+    s[0]
+  ), n), {
+    c() {
+      e = E(), n.block.c();
+    },
+    m(t, l) {
+      m(t, e, l), n.block.m(t, n.anchor = l), n.mount = () => e.parentNode, n.anchor = e;
+    },
+    p(t, [l]) {
+      s = t, n.ctx = s, l & /*src*/
+      1 && r !== (r = f(
+        /*src*/
+        s[0]
+      )) && g(r, n) || X(n, s, l);
+    },
+    i: c,
+    o: c,
+    d(t) {
+      t && u(e), n.block.d(t), n.token = null, n = null;
+    }
+  };
+}
+function j(s, e, r) {
+  const n = ["src"];
+  let t = d(e, n), { src: l = void 0 } = e;
+  return s.$$set = (o) => {
+    e = i(i({}, e), R(o)), r(1, t = d(e, n)), "src" in o && r(0, l = o.src);
+  }, [l, t];
+}
+class I extends w {
+  constructor(e) {
+    super(), O(this, e, j, S, T, { src: 0 });
+  }
+}
+const {
+  SvelteComponent: x,
+  attr: z,
+  create_component: B,
+  destroy_component: F,
+  detach: G,
+  element: A,
+  init: D,
+  insert: H,
+  mount_component: J,
+  safe_not_equal: M,
+  toggle_class: _,
+  transition_in: Q,
+  transition_out: V
+} = window.__gradio__svelte__internal;
+function Z(s) {
+  let e, r, n;
+  return r = new I({
+    props: {
+      src: (
+        /*samples_dir*/
+        s[1] + /*value*/
+        s[0]
+      ),
+      alt: ""
+    }
+  }), {
+    c() {
+      e = A("div"), B(r.$$.fragment), z(e, "class", "container svelte-1iqucjz"), _(
+        e,
+        "table",
+        /*type*/
+        s[2] === "table"
+      ), _(
+        e,
+        "gallery",
+        /*type*/
+        s[2] === "gallery"
+      ), _(
+        e,
+        "selected",
+        /*selected*/
+        s[3]
+      );
+    },
+    m(t, l) {
+      H(t, e, l), J(r, e, null), n = !0;
+    },
+    p(t, [l]) {
+      const o = {};
+      l & /*samples_dir, value*/
+      3 && (o.src = /*samples_dir*/
+      t[1] + /*value*/
+      t[0]), r.$set(o), (!n || l & /*type*/
+      4) && _(
+        e,
+        "table",
+        /*type*/
+        t[2] === "table"
+      ), (!n || l & /*type*/
+      4) && _(
+        e,
+        "gallery",
+        /*type*/
+        t[2] === "gallery"
+      ), (!n || l & /*selected*/
+      8) && _(
+        e,
+        "selected",
+        /*selected*/
+        t[3]
+      );
+    },
+    i(t) {
+      n || (Q(r.$$.fragment, t), n = !0);
+    },
+    o(t) {
+      V(r.$$.fragment, t), n = !1;
+    },
+    d(t) {
+      t && G(e), F(r);
+    }
+  };
+}
+function $(s, e, r) {
+  let { value: n } = e, { samples_dir: t } = e, { type: l } = e, { selected: o = !1 } = e;
+  return s.$$set = (a) => {
+    "value" in a && r(0, n = a.value), "samples_dir" in a && r(1, t = a.samples_dir), "type" in a && r(2, l = a.type), "selected" in a && r(3, o = a.selected);
+  }, [n, t, l, o];
+}
+class te extends x {
+  constructor(e) {
+    super(), D(this, e, $, Z, M, {
+      value: 0,
+      samples_dir: 1,
+      type: 2,
+      selected: 3
+    });
+  }
+}
+export {
+  te as default
+};

src/backend/gradio_coolimage/templates/example/style.css

@@ -0,0 +1 @@
+img.svelte-1k8xp4f{max-width:100%;max-height:100%;border-radius:var(--radius-lg);max-width:none}.container.selected.svelte-1iqucjz{border-color:var(--border-color-accent)}.container.table.svelte-1iqucjz{margin:0 auto;border:2px solid var(--border-color-primary);border-radius:var(--radius-lg);width:var(--size-20);height:var(--size-20);object-fit:cover}.container.gallery.svelte-1iqucjz{border:2px solid var(--border-color-primary);height:var(--size-20);max-height:var(--size-20);object-fit:cover}

src/demo/app.py

@@ -0,0 +1,16 @@
+
+import gradio as gr
+from gradio_coolimage import CoolImage
+
+
+example = CoolImage().example_inputs()
+
+demo = gr.Interface(
+    lambda x:x,
+    CoolImage(),  # interactive version of your component
+    CoolImage(),  # static version of your component
+    # examples=[[example]],  # uncomment this line to view the "example version" of your component
+)
+
+
+demo.launch()

src/frontend/Example.svelte

@@ -0,0 +1,39 @@
+<script lang="ts">
+	import Image from "./shared/Image.svelte";
+
+	export let value: string;
+	export let samples_dir: string;
+	export let type: "gallery" | "table";
+	export let selected = false;
+</script>
+
+<div
+	class="container"
+	class:table={type === "table"}
+	class:gallery={type === "gallery"}
+	class:selected
+>
+	<Image src={samples_dir + value} alt="" />
+</div>
+
+<style>
+	.container.selected {
+		border-color: var(--border-color-accent);
+	}
+
+	.container.table {
+		margin: 0 auto;
+		border: 2px solid var(--border-color-primary);
+		border-radius: var(--radius-lg);
+		width: var(--size-20);
+		height: var(--size-20);
+		object-fit: cover;
+	}
+
+	.container.gallery {
+		border: 2px solid var(--border-color-primary);
+		height: var(--size-20);
+		max-height: var(--size-20);
+		object-fit: cover;
+	}
+</style>

src/frontend/Index.svelte

@@ -0,0 +1,155 @@
+<svelte:options accessors={true} />
+
+<script context="module" lang="ts">
+	export { default as Webcam } from "./shared/Webcam.svelte";
+</script>
+
+<script lang="ts">
+	import type { Gradio, SelectData } from "@gradio/utils";
+	import StaticImage from "./shared/ImagePreview.svelte";
+	import Image from "./shared/ImageEditor.svelte";
+
+	import { Block, UploadText } from "@gradio/atoms";
+
+	import { StatusTracker } from "@gradio/statustracker";
+	import type { FileData } from "js/upload/src";
+	import type { LoadingStatus } from "@gradio/statustracker";
+
+	export let elem_id = "";
+	export let elem_classes: string[] = [];
+	export let visible = true;
+	export let value: null | FileData = null;
+	export let label: string;
+	export let show_label: boolean;
+	export let show_download_button: boolean;
+	export let root: string;
+
+	export let height: number | undefined;
+	export let width: number | undefined;
+
+	export let selectable = false;
+	export let container = true;
+	export let scale: number | null = null;
+	export let min_width: number | undefined = undefined;
+	export let loading_status: LoadingStatus;
+	export let show_share_button = false;
+
+	export let mode: "static" | "interactive";
+	export let source: "canvas" | "webcam" | "upload" = "upload";
+	export let tool: "editor" | "select" | "sketch" | "color-sketch" = "editor";
+	export let streaming: boolean;
+	export let pending: boolean;
+	export let mirror_webcam: boolean;
+	export let shape: [number, number];
+	export let brush_radius: number;
+	export let brush_color: string;
+	export let mask_opacity: number;
+
+	export let gradio: Gradio<{
+		change: never;
+		error: string;
+		edit: never;
+		stream: never;
+		drag: never;
+		upload: never;
+		clear: never;
+		select: SelectData;
+		share: ShareData;
+	}>;
+
+	$: value, gradio.dispatch("change");
+	let dragging: boolean;
+
+	$: value = !value ? null : value;
+
+	const FIXED_HEIGHT = 240;
+</script>
+
+{#if mode === "static"}
+	<Block
+		{visible}
+		variant={"solid"}
+		border_mode={dragging ? "focus" : "base"}
+		padding={false}
+		{elem_id}
+		{elem_classes}
+		height={height || undefined}
+		{width}
+		allow_overflow={false}
+		{container}
+		{scale}
+		{min_width}
+	>
+		<StatusTracker
+			autoscroll={gradio.autoscroll}
+			i18n={gradio.i18n}
+			{...loading_status}
+		/>
+		<StaticImage
+			on:select={({ detail }) => gradio.dispatch("select", detail)}
+			on:share={({ detail }) => gradio.dispatch("share", detail)}
+			on:error={({ detail }) => gradio.dispatch("error", detail)}
+			{root}
+			{value}
+			{label}
+			{show_label}
+			{show_download_button}
+			{selectable}
+			{show_share_button}
+			i18n={gradio.i18n}
+		/>
+	</Block>
+{:else}
+	<Block
+		{visible}
+		variant={value === null && source === "upload" ? "dashed" : "solid"}
+		border_mode={dragging ? "focus" : "base"}
+		padding={false}
+		{elem_id}
+		{elem_classes}
+		height={height || (source === "webcam" ? undefined : FIXED_HEIGHT)}
+		{width}
+		allow_overflow={false}
+		{container}
+		{scale}
+		{min_width}
+	>
+		<StatusTracker
+			autoscroll={gradio.autoscroll}
+			i18n={gradio.i18n}
+			{...loading_status}
+		/>
+
+		<Image
+			{brush_radius}
+			{brush_color}
+			{shape}
+			bind:value
+			{source}
+			{tool}
+			{selectable}
+			{mask_opacity}
+			{root}
+			on:edit={() => gradio.dispatch("edit")}
+			on:clear={() => gradio.dispatch("clear")}
+			on:stream={() => gradio.dispatch("stream")}
+			on:drag={({ detail }) => (dragging = detail)}
+			on:upload={() => gradio.dispatch("upload")}
+			on:select={({ detail }) => gradio.dispatch("select", detail)}
+			on:share={({ detail }) => gradio.dispatch("share", detail)}
+			on:error={({ detail }) => {
+				loading_status = loading_status || {};
+				loading_status.status = "error";
+				gradio.dispatch("error", detail);
+			}}
+			{label}
+			{show_label}
+			{pending}
+			{streaming}
+			{mirror_webcam}
+			i18n={gradio.i18n}
+		>
+			<UploadText i18n={gradio.i18n} type="image" />
+		</Image>
+	</Block>
+{/if}

src/frontend/package-lock.json

@@ -0,0 +1,1032 @@
+{
+  "name": "gradio_coolimage",
+  "version": "0.3.0-beta.7",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "gradio_coolimage",
+      "version": "0.3.0-beta.7",
+      "license": "ISC",
+      "dependencies": {
+        "@gradio/atoms": "0.2.0-beta.4",
+        "@gradio/icons": "0.2.0-beta.1",
+        "@gradio/statustracker": "0.3.0-beta.6",
+        "@gradio/upload": "0.3.0-beta.4",
+        "@gradio/utils": "0.2.0-beta.4",
+        "@gradio/wasm": "0.2.0-beta.1",
+        "cropperjs": "^1.5.12",
+        "lazy-brush": "^1.0.1",
+        "resize-observer-polyfill": "^1.5.1"
+      }
+    },
+    "node_modules/@ampproject/remapping": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.2.1.tgz",
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+      "peer": true,
+      "dependencies": {
+        "@jridgewell/gen-mapping": "^0.3.0",
+        "@jridgewell/trace-mapping": "^0.3.9"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@esbuild/android-arm": {
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+        "arm"
+      ],
+      "optional": true,
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+        "android"
+      ],
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+      }
+    },
+    "node_modules/@esbuild/android-arm64": {
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+}

src/frontend/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "gradio_coolimage",
+  "version": "0.3.0-beta.7",
+  "description": "Gradio UI packages",
+  "type": "module",
+  "author": "",
+  "license": "ISC",
+  "private": false,
+  "dependencies": {
+    "@gradio/atoms": "0.2.0-beta.4",
+    "@gradio/icons": "0.2.0-beta.1",
+    "@gradio/statustracker": "0.3.0-beta.6",
+    "@gradio/upload": "0.3.0-beta.4",
+    "@gradio/utils": "0.2.0-beta.4",
+    "@gradio/wasm": "0.2.0-beta.1",
+    "cropperjs": "^1.5.12",
+    "lazy-brush": "^1.0.1",
+    "resize-observer-polyfill": "^1.5.1"
+  },
+  "main_changeset": true,
+  "main": "./Index.svelte",
+  "exports": {
+    ".": "./Index.svelte",
+    "./example": "./Example.svelte",
+    "./package.json": "./package.json"
+  }
+}

src/frontend/shared/Cropper.svelte

@@ -0,0 +1,33 @@
+<svelte:options accessors={true} />
+
+<script lang="ts">
+	import Cropper from "cropperjs";
+	import { onMount, createEventDispatcher } from "svelte";
+
+	export let image: string;
+	let el: HTMLImageElement;
+
+	const dispatch = createEventDispatcher();
+	let cropper: Cropper;
+
+	export function destroy(): void {
+		cropper.destroy();
+	}
+
+	export function create(): void {
+		if (cropper) {
+			destroy();
+		}
+		cropper = new Cropper(el, {
+			autoCropArea: 1,
+			cropend(): void {
+				const image_data = cropper.getCroppedCanvas().toDataURL();
+				dispatch("crop", image_data);
+			}
+		});
+
+		dispatch("crop", image);
+	}
+</script>
+
+<img src={image} bind:this={el} alt="" />

src/frontend/shared/Image.svelte

@@ -0,0 +1,24 @@
+<script lang="ts">
+	import type { HTMLImgAttributes } from "svelte/elements";
+	type $$Props = HTMLImgAttributes;
+
+	import { resolve_wasm_src } from "@gradio/wasm/svelte";
+
+	export let src: HTMLImgAttributes["src"] = undefined;
+</script>
+
+{#await resolve_wasm_src(src) then resolved_src}
+	<!-- svelte-ignore a11y-missing-attribute -->
+	<img src={resolved_src} {...$$restProps} />
+{:catch error}
+	<p style="color: red;">{error.message}</p>
+{/await}
+
+<style>
+	img {
+		max-width: 100%;
+		max-height: 100%;
+		border-radius: var(--radius-lg);
+		max-width: none;
+	}
+</style>

src/frontend/shared/ImageEditor.svelte

@@ -0,0 +1,456 @@
+<script lang="ts">
+	// @ts-nocheck
+	import { createEventDispatcher, tick, onMount } from "svelte";
+	import { BlockLabel } from "@gradio/atoms";
+	import { Image, Sketch as SketchIcon } from "@gradio/icons";
+	import type { SelectData, I18nFormatter } from "@gradio/utils";
+	import { get_coordinates_of_clicked_image } from "./utils";
+
+	import Cropper from "./Cropper.svelte";
+	import Sketch from "./Sketch.svelte";
+	import Webcam from "./Webcam.svelte";
+	import ModifySketch from "./ModifySketch.svelte";
+	import SketchSettings from "./SketchSettings.svelte";
+	import {
+		Upload,
+		ModifyUpload,
+		type FileData,
+		normalise_file
+	} from "@gradio/upload";
+
+	export let value:
+		| null
+		| { image: string | null; mask: string | null }
+		| FileData;
+	export let label: string | undefined = undefined;
+	export let show_label: boolean;
+
+	export let source: "canvas" | "webcam" | "upload" = "upload";
+	export let tool: "editor" | "select" | "sketch" | "color-sketch" = "editor";
+	export let shape: [number, number];
+	export let streaming = false;
+	export let pending = false;
+	export let mirror_webcam: boolean;
+	export let brush_radius: number;
+	export let brush_color = "#000000";
+	export let mask_opacity;
+	export let selectable = false;
+	export let root: string;
+	export let i18n: I18nFormatter;
+
+	let sketch: Sketch;
+	let cropper: Cropper;
+
+	if (
+		value &&
+		(source === "upload" || source === "webcam") &&
+		tool === "sketch"
+	) {
+		value = { image: value as string, mask: null };
+	}
+
+	function handle_upload({ detail }: CustomEvent<string>): void {
+		if (tool === "color-sketch") {
+			static_image = normalise_file(detail, root, null)?.data;
+		} else {
+			value =
+				(source === "upload" || source === "webcam") && tool === "sketch"
+					? { image: normalise_file(detail, root, null), mask: null }
+					: normalise_file(detail, root, null);
+		}
+
+		dispatch("upload", normalise_file(detail, root, null));
+	}
+
+	function handle_clear({ detail }: CustomEvent<null>): void {
+		value = null;
+		static_image = undefined;
+		dispatch("clear");
+	}
+
+	async function handle_save(
+		{ detail }: { detail: string },
+		initial
+	): Promise<void> {
+		if (mode === "mask") {
+			if (source === "webcam" && initial) {
+				value = {
+					image: detail,
+					mask: null
+				};
+			} else {
+				value = {
+					image: typeof value === "string" ? value : value?.image || null,
+					mask: detail
+				};
+			}
+		} else if (
+			(source === "upload" || source === "webcam") &&
+			tool === "sketch"
+		) {
+			value = { image: detail, mask: null };
+		} else {
+			value = detail;
+		}
+
+		await tick();
+
+		dispatch(streaming ? "stream" : "edit");
+	}
+
+	const dispatch = createEventDispatcher<{
+		change: string | null;
+		stream: string | null;
+		edit: undefined;
+		clear: undefined;
+		drag: boolean;
+		upload: FileData;
+		select: SelectData;
+	}>();
+
+	let dragging = false;
+
+	$: dispatch("drag", dragging);
+
+	let value_: null | FileData = null;
+
+	$: if (value !== value_) {
+		value_ = value;
+		normalise_file(value_, root, null);
+	}
+
+	function handle_image_load(event: Event): void {
+		const element = event.currentTarget as HTMLImageElement;
+		img_width = element.naturalWidth;
+		img_height = element.naturalHeight;
+		container_height = element.getBoundingClientRect().height;
+	}
+
+	async function handle_sketch_clear(): Promise<void> {
+		dispatch("clear");
+		sketch.clear();
+		await tick();
+		value = null;
+		static_image = undefined;
+	}
+
+	async function handle_mask_clear(): Promise<void> {
+		sketch.clear_mask();
+		await tick();
+	}
+
+	let img_height = 0;
+	let img_width = 0;
+	let container_height = 0;
+
+	let mode;
+
+	$: {
+		if (source === "canvas" && tool === "sketch") {
+			mode = "bw-sketch";
+		} else if (tool === "color-sketch") {
+			mode = "color-sketch";
+		} else if (
+			(source === "upload" || source === "webcam") &&
+			tool === "sketch"
+		) {
+			mode = "mask";
+		} else {
+			mode = "editor";
+		}
+	}
+	let value_img;
+	let max_height;
+	let max_width;
+
+	let static_image = undefined;
+
+	$: {
+		if (value === null || (value.image === null && value.mask === null)) {
+			static_image = undefined;
+		}
+	}
+
+	$: {
+		if (cropper) {
+			if (value) {
+				cropper.image = value;
+				cropper.create();
+			} else {
+				cropper.destroy();
+			}
+		}
+	}
+
+	onMount(async () => {
+		if (tool === "color-sketch" && value && typeof value === "string") {
+			static_image = value;
+			await tick();
+			handle_image_load({ currentTarget: value_img });
+		}
+	});
+
+	function handle_click(evt: MouseEvent): void {
+		let coordinates = get_coordinates_of_clicked_image(evt);
+		if (coordinates) {
+			dispatch("select", { index: coordinates, value: null });
+		}
+	}
+</script>
+
+<BlockLabel
+	{show_label}
+	Icon={source === "canvas" ? SketchIcon : Image}
+	label={label || (source === "canvas" ? "Sketch" : "Image")}
+/>
+
+<div
+	data-testid="image"
+	class="image-container"
+	bind:offsetHeight={max_height}
+	bind:offsetWidth={max_width}
+>
+	{#if source === "upload"}
+		<Upload
+			bind:dragging
+			filetype="image/*"
+			on:load={handle_upload}
+			include_file_metadata={false}
+			disable_click={!!value}
+			{root}
+		>
+			{#if (value === null && !static_image) || streaming}
+				<slot />
+			{:else if tool === "select"}
+				<Cropper
+					bind:this={cropper}
+					image={value_.data}
+					on:crop={handle_save}
+				/>
+				<ModifyUpload
+					{i18n}
+					on:clear={(e) => (handle_clear(e), (tool = "editor"))}
+				/>
+			{:else if tool === "editor"}
+				<ModifyUpload
+					{i18n}
+					on:edit={() => (tool = "select")}
+					on:clear={handle_clear}
+					editable
+				/>
+
+				<!-- TODO: fix-->
+				<!-- svelte-ignore a11y-click-events-have-key-events -->
+				<!-- svelte-ignore a11y-no-noninteractive-element-interactions-->
+				<img
+					src={value_.data}
+					alt=""
+					class:scale-x-[-1]={source === "webcam" && mirror_webcam}
+					class:selectable
+					on:click={handle_click}
+					loading="lazy"
+				/>
+			{:else if (tool === "sketch" || tool === "color-sketch") && (value !== null || static_image)}
+				{#key static_image}
+					<img
+						bind:this={value_img}
+						class="absolute-img"
+						src={static_image || value?.image?.data || value?.data}
+						alt=""
+						on:load={handle_image_load}
+						class:webcam={source === "webcam" && mirror_webcam}
+						loading="lazy"
+						crossorigin="anonymous"
+					/>
+				{/key}
+				{#if img_width > 0}
+					<Sketch
+						{value}
+						bind:this={sketch}
+						bind:brush_radius
+						bind:brush_color
+						{mask_opacity}
+						on:change={handle_save}
+						{mode}
+						width={img_width || max_width}
+						height={img_height || max_height}
+						container_height={container_height || max_height}
+						{value_img}
+						{source}
+						{shape}
+					/>
+					<ModifySketch
+						show_eraser={value_img}
+						on:undo={() => sketch.undo()}
+						on:clear_mask={handle_mask_clear}
+						on:remove_image={handle_sketch_clear}
+					/>
+					{#if tool === "color-sketch" || tool === "sketch"}
+						<SketchSettings
+							bind:brush_radius
+							bind:brush_color
+							container_height={container_height || max_height}
+							img_width={img_width || max_width}
+							img_height={img_height || max_height}
+							{mode}
+						/>
+					{/if}
+				{/if}
+			{:else}
+				<!-- TODO: fix-->
+				<!-- svelte-ignore a11y-click-events-have-key-events -->
+				<!-- svelte-ignore a11y-no-noninteractive-element-interactions-->
+				<img
+					src={value.image || value}
+					alt=""
+					class:webcam={source === "webcam" && mirror_webcam}
+					class:selectable
+					on:click={handle_click}
+					loading="lazy"
+				/>
+			{/if}
+		</Upload>
+	{:else if source === "canvas"}
+		<ModifySketch
+			on:undo={() => sketch.undo()}
+			on:remove_image={handle_sketch_clear}
+		/>
+		{#if tool === "color-sketch"}
+			<SketchSettings
+				bind:brush_radius
+				bind:brush_color
+				container_height={container_height || max_height}
+				img_width={img_width || max_width}
+				img_height={img_height || max_height}
+			/>
+		{/if}
+		<Sketch
+			{value}
+			bind:brush_radius
+			bind:brush_color
+			bind:this={sketch}
+			on:change={handle_save}
+			on:clear={handle_sketch_clear}
+			{mode}
+			width={img_width || max_width}
+			height={img_height || max_height}
+			container_height={container_height || max_height}
+			{shape}
+		/>
+	{:else if (value === null && !static_image) || streaming}
+		{#if source === "webcam" && !static_image}
+			<Webcam
+				on:capture={(e) =>
+					tool === "color-sketch" ? handle_upload(e) : handle_save(e, true)}
+				on:stream={handle_save}
+				on:error
+				{streaming}
+				{pending}
+				{mirror_webcam}
+			/>
+		{/if}
+	{:else if tool === "select"}
+		<Cropper bind:this={cropper} image={value.data} on:crop={handle_save} />
+		<ModifyUpload
+			{i18n}
+			on:clear={(e) => (handle_clear(e), (tool = "editor"))}
+		/>
+	{:else if tool === "editor"}
+		<ModifyUpload
+			{i18n}
+			on:edit={() => (tool = "select")}
+			on:clear={handle_clear}
+			editable
+		/>
+
+		<!-- TODO: fix -->
+		<!-- svelte-ignore a11y-click-events-have-key-events -->
+		<!-- svelte-ignore a11y-no-noninteractive-element-interactions-->
+		<img
+			src={value_}
+			alt=""
+			class:selectable
+			class:webcam={source === "webcam" && mirror_webcam}
+			on:click={handle_click}
+			loading="lazy"
+		/>
+	{:else if (tool === "sketch" || tool === "color-sketch") && (value !== null || static_image)}
+		{#key static_image}
+			<img
+				bind:this={value_img}
+				class="absolute-img"
+				src={static_image || value_}
+				alt=""
+				on:load={handle_image_load}
+				class:webcam={source === "webcam" && mirror_webcam}
+				loading="lazy"
+			/>
+		{/key}
+		{#if img_width > 0}
+			<Sketch
+				{value}
+				bind:this={sketch}
+				bind:brush_radius
+				bind:brush_color
+				on:change={handle_save}
+				{mode}
+				width={img_width || max_width}
+				height={img_height || max_height}
+				container_height={container_height || max_height}
+				{value_img}
+				{source}
+			/>
+			<ModifySketch
+				on:undo={() => sketch.undo()}
+				on:remove_image={handle_sketch_clear}
+			/>
+			{#if tool === "color-sketch" || tool === "sketch"}
+				<SketchSettings
+					bind:brush_radius
+					bind:brush_color
+					container_height={container_height || max_height}
+					img_width={img_width || max_width}
+					img_height={img_height || max_height}
+					{mode}
+				/>
+			{/if}
+		{/if}
+	{:else}
+		<!-- TODO: fix -->
+		<!-- svelte-ignore a11y-click-events-have-key-events -->
+		<!-- svelte-ignore a11y-no-noninteractive-element-interactions-->
+
+		<img
+			src={value_.image || value_.data}
+			alt=""
+			class:webcam={source === "webcam" && mirror_webcam}
+			class:selectable
+			on:click={handle_click}
+			loading="lazy"
+		/>
+	{/if}
+</div>
+
+<style>
+	.image-container,
+	img {
+		width: var(--size-full);
+		height: var(--size-full);
+	}
+	img {
+		object-fit: contain;
+	}
+
+	.selectable {
+		cursor: crosshair;
+	}
+
+	.absolute-img {
+		position: absolute;
+		opacity: 0;
+	}
+
+	.webcam {
+		transform: scaleX(-1);
+	}
+</style>

src/frontend/shared/ImagePreview.svelte

@@ -0,0 +1,94 @@
+<script lang="ts">
+	import { createEventDispatcher } from "svelte";
+	import type { SelectData } from "@gradio/utils";
+	import { uploadToHuggingFace } from "@gradio/utils";
+	import { BlockLabel, Empty, IconButton, ShareButton } from "@gradio/atoms";
+	import { Download } from "@gradio/icons";
+	import { get_coordinates_of_clicked_image } from "./utils";
+
+	import { Image } from "@gradio/icons";
+	import { type FileData, normalise_file } from "@gradio/upload";
+	import type { I18nFormatter } from "@gradio/utils";
+
+	export let value: null | FileData;
+	let value_: null | FileData;
+	export let label: string | undefined = undefined;
+	export let show_label: boolean;
+	export let show_download_button = true;
+	export let selectable = false;
+	export let show_share_button = false;
+	export let root: string;
+	export let i18n: I18nFormatter;
+
+	const dispatch = createEventDispatcher<{
+		change: string;
+		select: SelectData;
+	}>();
+
+	$: value && dispatch("change", value.data);
+
+	$: if (value !== value_) {
+		value_ = value;
+		normalise_file(value_, root, null);
+	}
+
+	const handle_click = (evt: MouseEvent): void => {
+		let coordinates = get_coordinates_of_clicked_image(evt);
+		if (coordinates) {
+			dispatch("select", { index: coordinates, value: null });
+		}
+	};
+</script>
+
+<BlockLabel {show_label} Icon={Image} label={label || i18n("image.image")} />
+{#if value_ === null}
+	<Empty unpadded_box={true} size="large"><Image /></Empty>
+{:else}
+	<div class="icon-buttons">
+		{#if show_download_button}
+			<a
+				href={value_.data}
+				target={window.__is_colab__ ? "_blank" : null}
+				download={"image"}
+			>
+				<IconButton Icon={Download} label={i18n("common.download")} />
+			</a>
+		{/if}
+		{#if show_share_button}
+			<ShareButton
+				{i18n}
+				on:share
+				on:error
+				formatter={async (value) => {
+					if (!value) return "";
+					let url = await uploadToHuggingFace(value, "base64");
+					return `<img src="${url}" />`;
+				}}
+				{value}
+			/>
+		{/if}
+	</div>
+	<button on:click={handle_click}>
+		<img src={value_.data} alt="" class:selectable loading="lazy" />
+	</button>
+{/if}
+
+<style>
+	img {
+		width: var(--size-full);
+		height: var(--size-full);
+		object-fit: contain;
+	}
+
+	.selectable {
+		cursor: crosshair;
+	}
+
+	.icon-buttons {
+		display: flex;
+		position: absolute;
+		top: 6px;
+		right: 6px;
+		gap: var(--size-1);
+	}
+</style>

src/frontend/shared/ModifySketch.svelte

@@ -0,0 +1,45 @@
+<script lang="ts">
+	import { createEventDispatcher } from "svelte";
+	import { IconButton } from "@gradio/atoms";
+	import { Undo, Clear, Erase } from "@gradio/icons";
+
+	const dispatch = createEventDispatcher();
+
+	export let show_eraser = false;
+</script>
+
+<div>
+	<IconButton Icon={Undo} label="Undo" on:click={() => dispatch("undo")} />
+
+	{#if show_eraser}
+		<IconButton
+			Icon={Erase}
+			label="Clear"
+			on:click={(event) => {
+				dispatch("clear_mask");
+				event.stopPropagation();
+			}}
+		/>
+	{/if}
+
+	<IconButton
+		Icon={Clear}
+		label="Remove Image"
+		on:click={(event) => {
+			dispatch("remove_image");
+			event.stopPropagation();
+		}}
+	/>
+</div>
+
+<style>
+	div {
+		display: flex;
+		position: absolute;
+		top: var(--size-2);
+		right: var(--size-2);
+		justify-content: flex-end;
+		gap: var(--spacing-sm);
+		z-index: var(--layer-5);
+	}
+</style>

src/frontend/shared/Sketch.svelte

@@ -0,0 +1,624 @@
+<script>
+	// @ts-nocheck
+	/* eslint-disable */
+
+	import { onMount, onDestroy, createEventDispatcher, tick } from "svelte";
+	import { fade } from "svelte/transition";
+	import { LazyBrush } from "lazy-brush/src";
+	import ResizeObserver from "resize-observer-polyfill";
+
+	const dispatch = createEventDispatcher();
+
+	export let value;
+	export let value_img;
+	export let mode = "sketch";
+	export let brush_color = "#0b0f19";
+	export let brush_radius;
+	export let mask_opacity = 0.7;
+	export let source;
+
+	export let width = 400;
+	export let height = 200;
+	export let container_height = 200;
+	export let shape;
+
+	$: {
+		if (shape && (width || height)) {
+			width = shape[0];
+			height = shape[1];
+		}
+	}
+
+	let mounted;
+
+	let catenary_color = "#aaa";
+
+	let canvas_width = width;
+	let canvas_height = height;
+
+	$: mounted && !value && clear();
+
+	let last_value_img;
+
+	$: {
+		if (mounted && value_img !== last_value_img) {
+			last_value_img = value_img;
+
+			clear();
+
+			setTimeout(() => {
+				if (source === "webcam") {
+					ctx.temp.save();
+					ctx.temp.translate(width, 0);
+					ctx.temp.scale(-1, 1);
+					ctx.temp.drawImage(value_img, 0, 0);
+					ctx.temp.restore();
+				} else {
+					draw_cropped_image();
+				}
+
+				ctx.drawing.drawImage(canvas.temp, 0, 0, width, height);
+
+				draw_lines({ lines: lines.slice() });
+				trigger_on_change();
+			}, 50);
+		}
+	}
+
+	function mid_point(p1, p2) {
+		return {
+			x: p1.x + (p2.x - p1.x) / 2,
+			y: p1.y + (p2.y - p1.y) / 2
+		};
+	}
+
+	const canvas_types = [
+		{
+			name: "interface",
+			zIndex: 15
+		},
+		{
+			name: "mask",
+			zIndex: 13,
+			opacity: mask_opacity
+		},
+		{
+			name: "drawing",
+			zIndex: 11
+		},
+		{
+			name: "temp",
+			zIndex: 12
+		}
+	];
+
+	let canvas = {};
+	let ctx = {};
+	let points = [];
+	let lines = [];
+	let mouse_has_moved = true;
+	let values_changed = true;
+	let is_drawing = false;
+	let is_pressing = false;
+	let lazy = null;
+	let canvas_container = null;
+	let canvas_observer = null;
+	let line_count = 0;
+
+	function draw_cropped_image() {
+		if (!shape) {
+			ctx.temp.drawImage(value_img, 0, 0, width, height);
+			return;
+		}
+
+		let _width = value_img.naturalWidth;
+		let _height = value_img.naturalHeight;
+
+		const shape_ratio = shape[0] / shape[1];
+		const image_ratio = _width / _height;
+
+		let x = 0;
+		let y = 0;
+
+		if (shape_ratio < image_ratio) {
+			_width = shape[1] * image_ratio;
+			_height = shape[1];
+			x = (shape[0] - _width) / 2;
+		} else if (shape_ratio > image_ratio) {
+			_width = shape[0];
+			_height = shape[0] / image_ratio;
+			y = (shape[1] - _height) / 2;
+		} else {
+			x = 0;
+			y = 0;
+			_width = shape[0];
+			_height = shape[1];
+		}
+
+		ctx.temp.drawImage(value_img, x, y, _width, _height);
+	}
+
+	onMount(async () => {
+		Object.keys(canvas).forEach((key) => {
+			ctx[key] = canvas[key].getContext("2d");
+		});
+
+		await tick();
+
+		if (value_img) {
+			value_img.addEventListener("load", (_) => {
+				if (source === "webcam") {
+					ctx.temp.save();
+					ctx.temp.translate(width, 0);
+					ctx.temp.scale(-1, 1);
+					ctx.temp.drawImage(value_img, 0, 0);
+					ctx.temp.restore();
+				} else {
+					draw_cropped_image();
+				}
+				ctx.drawing.drawImage(canvas.temp, 0, 0, width, height);
+
+				trigger_on_change();
+			});
+
+			setTimeout(() => {
+				if (source === "webcam") {
+					ctx.temp.save();
+					ctx.temp.translate(width, 0);
+					ctx.temp.scale(-1, 1);
+					ctx.temp.drawImage(value_img, 0, 0);
+					ctx.temp.restore();
+				} else {
+					draw_cropped_image();
+				}
+
+				ctx.drawing.drawImage(canvas.temp, 0, 0, width, height);
+
+				draw_lines({ lines: lines.slice() });
+				trigger_on_change();
+			}, 100);
+		}
+
+		lazy = new LazyBrush({
+			radius: brush_radius * 0.05,
+			enabled: true,
+			initialPoint: {
+				x: width / 2,
+				y: height / 2
+			}
+		});
+
+		canvas_observer = new ResizeObserver((entries, observer, ...rest) => {
+			handle_canvas_resize(entries, observer);
+		});
+		canvas_observer.observe(canvas_container);
+
+		loop();
+		mounted = true;
+
+		requestAnimationFrame(() => {
+			init();
+			requestAnimationFrame(() => {
+				clear();
+			});
+		});
+	});
+
+	function init() {
+		const initX = width / 2;
+		const initY = height / 2;
+		lazy.update({ x: initX, y: initY }, { both: true });
+		lazy.update({ x: initX, y: initY }, { both: false });
+		mouse_has_moved = true;
+		values_changed = true;
+	}
+
+	onDestroy(() => {
+		mounted = false;
+		canvas_observer.unobserve(canvas_container);
+	});
+
+	function redraw_image(_lines) {
+		clear_canvas();
+
+		if (value_img) {
+			if (source === "webcam") {
+				ctx.temp.save();
+				ctx.temp.translate(width, 0);
+				ctx.temp.scale(-1, 1);
+				ctx.temp.drawImage(value_img, 0, 0);
+				ctx.temp.restore();
+			} else {
+				draw_cropped_image();
+			}
+
+			if (!lines || !lines.length) {
+				ctx.drawing.drawImage(canvas.temp, 0, 0, width, height);
+			}
+		}
+
+		draw_lines({ lines: _lines });
+		line_count = _lines.length;
+
+		lines = _lines;
+		ctx.drawing.drawImage(canvas.temp, 0, 0, width, height);
+
+		if (lines.length == 0) {
+			dispatch("clear");
+		}
+	}
+
+	export function clear_mask() {
+		const _lines = [];
+
+		redraw_image(_lines);
+		trigger_on_change();
+	}
+
+	export function undo() {
+		const _lines = lines.slice(0, -1);
+
+		redraw_image(_lines);
+		trigger_on_change();
+	}
+
+	let get_save_data = () => {
+		return JSON.stringify({
+			lines: lines,
+			width: canvas_width,
+			height: canvas_height
+		});
+	};
+
+	let draw_lines = ({ lines }) => {
+		lines.forEach((line) => {
+			const { points: _points, brush_color, brush_radius } = line;
+			draw_points({
+				points: _points,
+				brush_color,
+				brush_radius,
+				mask: mode === "mask"
+			});
+		});
+
+		saveLine({ brush_color, brush_radius });
+		if (mode === "mask") {
+			save_mask_line();
+		}
+	};
+
+	let handle_draw_start = (e) => {
+		e.preventDefault();
+		is_pressing = true;
+		const { x, y } = get_pointer_pos(e);
+		if (e.touches && e.touches.length > 0) {
+			lazy.update({ x, y }, { both: true });
+		}
+		handle_pointer_move(x, y);
+		line_count += 1;
+	};
+
+	let handle_draw_move = (e) => {
+		e.preventDefault();
+		const { x, y } = get_pointer_pos(e);
+		handle_pointer_move(x, y);
+	};
+
+	let handle_draw_end = (e) => {
+		e.preventDefault();
+		handle_draw_move(e);
+		is_drawing = false;
+		is_pressing = false;
+		saveLine();
+
+		if (mode === "mask") {
+			save_mask_line();
+		}
+	};
+
+	let old_width = 0;
+	let old_height = 0;
+	let old_container_height = 0;
+	let add_lr_border = false;
+
+	let handle_canvas_resize = async () => {
+		if (shape && canvas_container) {
+			const x = canvas_container?.getBoundingClientRect();
+			const shape_ratio = shape[0] / shape[1];
+			const container_ratio = x.width / x.height;
+			add_lr_border = shape_ratio < container_ratio;
+		}
+
+		if (
+			width === old_width &&
+			height === old_height &&
+			old_container_height === container_height
+		) {
+			return;
+		}
+		const dimensions = { width: width, height: height };
+
+		const container_dimensions = {
+			height: container_height,
+			width: container_height * (dimensions.width / dimensions.height)
+		};
+
+		await Promise.all([
+			set_canvas_size(canvas.interface, dimensions, container_dimensions),
+			set_canvas_size(canvas.drawing, dimensions, container_dimensions),
+			set_canvas_size(canvas.temp, dimensions, container_dimensions),
+			set_canvas_size(canvas.mask, dimensions, container_dimensions, false)
+		]);
+
+		if (!brush_radius) {
+			brush_radius = 20 * (dimensions.width / container_dimensions.width);
+		}
+
+		loop({ once: true });
+
+		setTimeout(() => {
+			old_height = height;
+			old_width = width;
+			old_container_height = container_height;
+		}, 10);
+		await tick();
+
+		clear();
+	};
+
+	$: {
+		if (lazy) {
+			init();
+			lazy.setRadius(brush_radius * 0.05);
+		}
+	}
+
+	$: {
+		if (width || height) {
+			handle_canvas_resize();
+		}
+	}
+
+	let set_canvas_size = async (canvas, dimensions, container, scale = true) => {
+		if (!mounted) return;
+		await tick();
+
+		const dpr = window.devicePixelRatio || 1;
+		canvas.width = dimensions.width * (scale ? dpr : 1);
+		canvas.height = dimensions.height * (scale ? dpr : 1);
+
+		const ctx = canvas.getContext("2d");
+		scale && ctx.scale(dpr, dpr);
+
+		canvas.style.width = `${container.width}px`;
+		canvas.style.height = `${container.height}px`;
+	};
+
+	let get_pointer_pos = (e) => {
+		const rect = canvas.interface.getBoundingClientRect();
+
+		let clientX = e.clientX;
+		let clientY = e.clientY;
+		if (e.changedTouches && e.changedTouches.length > 0) {
+			clientX = e.changedTouches[0].clientX;
+			clientY = e.changedTouches[0].clientY;
+		}
+
+		return {
+			x: ((clientX - rect.left) / rect.width) * width,
+			y: ((clientY - rect.top) / rect.height) * height
+		};
+	};
+
+	let handle_pointer_move = (x, y) => {
+		lazy.update({ x: x, y: y });
+		const is_disabled = !lazy.isEnabled();
+		if ((is_pressing && !is_drawing) || (is_disabled && is_pressing)) {
+			is_drawing = true;
+			points.push(lazy.brush.toObject());
+		}
+		if (is_drawing) {
+			points.push(lazy.brush.toObject());
+			draw_points({
+				points: points,
+				brush_color,
+				brush_radius,
+				mask: mode === "mask"
+			});
+		}
+		mouse_has_moved = true;
+	};
+
+	let draw_points = ({ points, brush_color, brush_radius, mask }) => {
+		if (!points || points.length < 2) return;
+		let target_ctx = mask ? ctx.mask : ctx.temp;
+		target_ctx.lineJoin = "round";
+		target_ctx.lineCap = "round";
+
+		target_ctx.strokeStyle = brush_color;
+		target_ctx.lineWidth = brush_radius;
+		let p1 = points[0];
+		let p2 = points[1];
+		target_ctx.moveTo(p2.x, p2.y);
+		target_ctx.beginPath();
+		for (var i = 1, len = points.length; i < len; i++) {
+			var midPoint = mid_point(p1, p2);
+			target_ctx.quadraticCurveTo(p1.x, p1.y, midPoint.x, midPoint.y);
+			p1 = points[i];
+			p2 = points[i + 1];
+		}
+
+		target_ctx.lineTo(p1.x, p1.y);
+		target_ctx.stroke();
+	};
+
+	let save_mask_line = () => {
+		if (points.length < 1) return;
+		points.length = 0;
+
+		trigger_on_change();
+	};
+
+	let saveLine = () => {
+		if (points.length < 1) return;
+
+		lines.push({
+			points: points.slice(),
+			brush_color: brush_color,
+			brush_radius
+		});
+
+		if (mode !== "mask") {
+			points.length = 0;
+		}
+
+		ctx.drawing.drawImage(canvas.temp, 0, 0, width, height);
+
+		trigger_on_change();
+	};
+
+	let trigger_on_change = () => {
+		const x = get_image_data();
+		dispatch("change", x);
+	};
+
+	export function clear() {
+		lines = [];
+		clear_canvas();
+		line_count = 0;
+
+		return true;
+	}
+
+	function clear_canvas() {
+		values_changed = true;
+		ctx.temp.clearRect(0, 0, width, height);
+
+		ctx.temp.fillStyle = mode === "mask" ? "transparent" : "#FFFFFF";
+		ctx.temp.fillRect(0, 0, width, height);
+
+		if (mode === "mask") {
+			ctx.mask.clearRect(0, 0, canvas.mask.width, canvas.mask.height);
+		}
+	}
+
+	let loop = ({ once = false } = {}) => {
+		if (mouse_has_moved || values_changed) {
+			const pointer = lazy.getPointerCoordinates();
+			const brush = lazy.getBrushCoordinates();
+			draw_interface(ctx.interface, pointer, brush);
+			mouse_has_moved = false;
+			values_changed = false;
+		}
+		if (!once) {
+			window.requestAnimationFrame(() => {
+				loop();
+			});
+		}
+	};
+
+	$: brush_dot = brush_radius * 0.075;
+
+	let draw_interface = (ctx, pointer, brush) => {
+		ctx.clearRect(0, 0, width, height);
+
+		// brush preview
+		ctx.beginPath();
+		ctx.fillStyle = brush_color;
+		ctx.arc(brush.x, brush.y, brush_radius / 2, 0, Math.PI * 2, true);
+		ctx.fill();
+
+		// tiny brush point dot
+		ctx.beginPath();
+		ctx.fillStyle = catenary_color;
+		ctx.arc(brush.x, brush.y, brush_dot, 0, Math.PI * 2, true);
+		ctx.fill();
+	};
+
+	export function get_image_data() {
+		return mode === "mask"
+			? canvas.mask.toDataURL("image/png")
+			: canvas.drawing.toDataURL("image/jpg");
+	}
+</script>
+
+<div
+	class="wrap"
+	bind:this={canvas_container}
+	bind:offsetWidth={canvas_width}
+	bind:offsetHeight={canvas_height}
+>
+	{#if line_count === 0}
+		<div transition:fade={{ duration: 50 }} class="start-prompt">
+			Start drawing
+		</div>
+	{/if}
+	{#each canvas_types as { name, zIndex, opacity }}
+		<canvas
+			key={name}
+			style=" z-index:{zIndex};"
+			style:opacity
+			class:lr={add_lr_border}
+			class:tb={!add_lr_border}
+			bind:this={canvas[name]}
+			on:mousedown={name === "interface" ? handle_draw_start : undefined}
+			on:mousemove={name === "interface" ? handle_draw_move : undefined}
+			on:mouseup={name === "interface" ? handle_draw_end : undefined}
+			on:mouseout={name === "interface" ? handle_draw_end : undefined}
+			on:blur={name === "interface" ? handle_draw_end : undefined}
+			on:touchstart={name === "interface" ? handle_draw_start : undefined}
+			on:touchmove={name === "interface" ? handle_draw_move : undefined}
+			on:touchend={name === "interface" ? handle_draw_end : undefined}
+			on:touchcancel={name === "interface" ? handle_draw_end : undefined}
+			on:click|stopPropagation
+		/>
+	{/each}
+</div>
+
+<style>
+	canvas {
+		display: block;
+		position: absolute;
+		top: 0px;
+		right: 0px;
+		bottom: 0px;
+		left: 0px;
+		margin: auto;
+	}
+
+	.lr {
+		border-right: 1px solid var(--border-color-primary);
+		border-left: 1px solid var(--border-color-primary);
+	}
+
+	.tb {
+		border-top: 1px solid var(--border-color-primary);
+		border-bottom: 1px solid var(--border-color-primary);
+	}
+
+	canvas:hover {
+		cursor: none;
+	}
+
+	.wrap {
+		position: relative;
+		width: var(--size-full);
+		height: var(--size-full);
+		touch-action: none;
+	}
+
+	.start-prompt {
+		display: flex;
+		position: absolute;
+		top: 0px;
+		right: 0px;
+		bottom: 0px;
+		left: 0px;
+		justify-content: center;
+		align-items: center;
+		z-index: var(--layer-4);
+		touch-action: none;
+		pointer-events: none;
+		color: var(--body-text-color-subdued);
+	}
+</style>

src/frontend/shared/SketchSettings.svelte

@@ -0,0 +1,77 @@
+<script lang="ts">
+	import { IconButton } from "@gradio/atoms";
+	import { Brush, Color } from "@gradio/icons";
+
+	let show_size = false;
+	let show_col = false;
+
+	export let brush_radius = 20;
+	export let brush_color = "#000";
+	export let container_height: number;
+	export let img_width: number;
+	export let img_height: number;
+	export let mode: "mask" | "other" = "other";
+
+	$: width = container_height * (img_width / img_height);
+</script>
+
+<div class="wrap">
+	<span class="brush">
+		<IconButton
+			Icon={Brush}
+			label="Use brush"
+			on:click={() => (show_size = !show_size)}
+		/>
+		{#if show_size}
+			<input
+				aria-label="Brush radius"
+				bind:value={brush_radius}
+				type="range"
+				min={0.5 * (img_width / width)}
+				max={75 * (img_width / width)}
+			/>
+		{/if}
+	</span>
+
+	{#if mode !== "mask"}
+		<span class="col">
+			<IconButton
+				Icon={Color}
+				label="Select brush color"
+				on:click={() => (show_col = !show_col)}
+			/>
+			{#if show_col}
+				<input aria-label="Brush color" bind:value={brush_color} type="color" />
+			{/if}
+		</span>
+	{/if}
+</div>
+
+<style>
+	.wrap {
+		display: flex;
+		position: absolute;
+		top: var(--size-10);
+		right: var(--size-2);
+		flex-direction: column;
+		justify-content: flex-end;
+		gap: var(--spacing-sm);
+		z-index: var(--layer-5);
+	}
+	.brush {
+		top: 0;
+		right: 0;
+	}
+
+	.brush input {
+		position: absolute;
+		top: 3px;
+		right: calc(100% + 5px);
+	}
+
+	.col input {
+		position: absolute;
+		right: calc(100% + 5px);
+		bottom: -4px;
+	}
+</style>

src/frontend/shared/Webcam.svelte

@@ -0,0 +1,208 @@
+<script lang="ts">
+	import { createEventDispatcher, onMount } from "svelte";
+	import { Camera, Circle, Square } from "@gradio/icons";
+	import type { I18nFormatter } from "js/utils/src";
+
+	let video_source: HTMLVideoElement;
+	let canvas: HTMLCanvasElement;
+	export let streaming = false;
+	export let pending = false;
+
+	export let mode: "image" | "video" = "image";
+	export let mirror_webcam: boolean;
+	export let include_audio: boolean;
+	export let i18n: I18nFormatter;
+
+	const dispatch = createEventDispatcher<{
+		stream: undefined;
+		capture:
+			| {
+					data: FileReader["result"];
+					name: string;
+					is_example?: boolean;
+					is_file: boolean;
+			  }
+			| string;
+		error: string;
+		start_recording: undefined;
+		stop_recording: undefined;
+	}>();
+
+	onMount(() => (canvas = document.createElement("canvas")));
+
+	async function access_webcam(): Promise<void> {
+		try {
+			stream = await navigator.mediaDevices.getUserMedia({
+				video: true,
+				audio: include_audio
+			});
+			video_source.srcObject = stream;
+			video_source.muted = true;
+			video_source.play();
+		} catch (err) {
+			if (err instanceof DOMException && err.name == "NotAllowedError") {
+				dispatch("error", i18n("image.allow_webcam_access"));
+			} else {
+				throw err;
+			}
+		}
+	}
+
+	function take_picture(): void {
+		var context = canvas.getContext("2d")!;
+
+		if (video_source.videoWidth && video_source.videoHeight) {
+			canvas.width = video_source.videoWidth;
+			canvas.height = video_source.videoHeight;
+			context.drawImage(
+				video_source,
+				0,
+				0,
+				video_source.videoWidth,
+				video_source.videoHeight
+			);
+
+			var data = canvas.toDataURL("image/png");
+			dispatch(streaming ? "stream" : "capture", data);
+		}
+	}
+
+	let recording = false;
+	let recorded_blobs: BlobPart[] = [];
+	let stream: MediaStream;
+	let mimeType: string;
+	let media_recorder: MediaRecorder;
+
+	function take_recording(): void {
+		if (recording) {
+			media_recorder.stop();
+			let video_blob = new Blob(recorded_blobs, { type: mimeType });
+			let ReaderObj = new FileReader();
+			ReaderObj.onload = function (e): void {
+				if (e.target) {
+					dispatch("capture", {
+						data: e.target.result,
+						name: "sample." + mimeType.substring(6),
+						is_example: false,
+						is_file: false
+					});
+					dispatch("stop_recording");
+				}
+			};
+			ReaderObj.readAsDataURL(video_blob);
+		} else {
+			dispatch("start_recording");
+			recorded_blobs = [];
+			let validMimeTypes = ["video/webm", "video/mp4"];
+			for (let validMimeType of validMimeTypes) {
+				if (MediaRecorder.isTypeSupported(validMimeType)) {
+					mimeType = validMimeType;
+					break;
+				}
+			}
+			if (mimeType === null) {
+				console.error("No supported MediaRecorder mimeType");
+				return;
+			}
+			media_recorder = new MediaRecorder(stream, {
+				mimeType: mimeType
+			});
+			media_recorder.addEventListener("dataavailable", function (e) {
+				recorded_blobs.push(e.data);
+			});
+			media_recorder.start(200);
+		}
+		recording = !recording;
+	}
+
+	access_webcam();
+
+	if (streaming && mode === "image") {
+		window.setInterval(() => {
+			if (video_source && !pending) {
+				take_picture();
+			}
+		}, 500);
+	}
+</script>
+
+<div class="wrap">
+	<!-- svelte-ignore a11y-media-has-caption -->
+	<!-- need to suppress for video streaming https://github.com/sveltejs/svelte/issues/5967 -->
+	<video bind:this={video_source} class:flip={mirror_webcam} />
+	{#if !streaming}
+		<button
+			on:click={mode === "image" ? take_picture : take_recording}
+			aria-label={mode === "image" ? "capture photo" : "start recording"}
+		>
+			{#if mode === "video"}
+				{#if recording}
+					<div class="icon" title="stop recording">
+						<Square />
+					</div>
+				{:else}
+					<div class="icon" title="start recording">
+						<Circle />
+					</div>
+				{/if}
+			{:else}
+				<div class="icon" title="capture photo">
+					<Camera />
+				</div>
+			{/if}
+		</button>
+	{/if}
+</div>
+
+<style>
+	.wrap {
+		position: relative;
+		width: var(--size-full);
+		height: var(--size-full);
+		min-height: var(--size-60);
+	}
+
+	video {
+		width: var(--size-full);
+		height: var(--size-full);
+	}
+
+	button {
+		display: flex;
+		position: absolute;
+		right: 0px;
+		bottom: var(--size-2);
+		left: 0px;
+		justify-content: center;
+		align-items: center;
+		margin: auto;
+		box-shadow: var(--shadow-drop-lg);
+		border-radius: var(--radius-xl);
+		background-color: rgba(0, 0, 0, 0.9);
+		width: var(--size-10);
+		height: var(--size-10);
+	}
+
+	@media (--screen-md) {
+		button {
+			bottom: var(--size-4);
+		}
+	}
+
+	@media (--screen-xl) {
+		button {
+			bottom: var(--size-8);
+		}
+	}
+
+	.icon {
+		opacity: 0.8;
+		width: 50%;
+		height: 50%;
+		color: white;
+	}
+
+	.flip {
+		transform: scaleX(-1);
+	}
+</style>

src/frontend/shared/utils.ts

@@ -0,0 +1,24 @@
+export const get_coordinates_of_clicked_image = (
+	evt: MouseEvent
+): [number, number] | null => {
+	let image = evt.currentTarget as HTMLImageElement;
+
+	const imageRect = image.getBoundingClientRect();
+	const xScale = image.naturalWidth / imageRect.width;
+	const yScale = image.naturalHeight / imageRect.height;
+	if (xScale > yScale) {
+		const displayed_height = image.naturalHeight / xScale;
+		const y_offset = (imageRect.height - displayed_height) / 2;
+		var x = Math.round((evt.clientX - imageRect.left) * xScale);
+		var y = Math.round((evt.clientY - imageRect.top - y_offset) * xScale);
+	} else {
+		const displayed_width = image.naturalWidth / yScale;
+		const x_offset = (imageRect.width - displayed_width) / 2;
+		var x = Math.round((evt.clientX - imageRect.left - x_offset) * yScale);
+		var y = Math.round((evt.clientY - imageRect.top) * yScale);
+	}
+	if (x < 0 || x >= image.naturalWidth || y < 0 || y >= image.naturalHeight) {
+		return null;
+	}
+	return [x, y];
+};

src/pyproject.toml

@@ -0,0 +1,49 @@
+[build-system]
+requires = [
+  "hatchling",
+  "hatch-requirements-txt",
+  "hatch-fancy-pypi-readme>=22.5.0",
+]
+build-backend = "hatchling.build"
+
+[project]
+name = "gradio_coolimage"
+version = "0.0.1"
+description = "Python library for easily interacting with trained machine learning models"
+readme = "README.md"
+license = "Apache-2.0"
+requires-python = ">=3.8"
+authors = [{ name = "YOUR NAME", email = "YOUREMAIL@domain.com" }]
+keywords = [
+  "machine learning",
+  "reproducibility",
+  "visualization",
+  "gradio",
+  "gradio custom component",
+  "gradio-template-Image"
+]
+# Add dependencies here
+dependencies = ["gradio"]
+classifiers = [
+  'Development Status :: 3 - Alpha',
+  'License :: OSI Approved :: Apache Software License',
+  'Operating System :: OS Independent',
+  'Programming Language :: Python :: 3',
+  'Programming Language :: Python :: 3 :: Only',
+  'Programming Language :: Python :: 3.8',
+  'Programming Language :: Python :: 3.9',
+  'Programming Language :: Python :: 3.10',
+  'Programming Language :: Python :: 3.11',
+  'Topic :: Scientific/Engineering',
+  'Topic :: Scientific/Engineering :: Artificial Intelligence',
+  'Topic :: Scientific/Engineering :: Visualization',
+]
+
+[project.optional-dependencies]
+dev = ["build", "twine"]
+
+[tool.hatch.build]
+artifacts = ["/backend/gradio_coolimage/templates", "*.pyi", "backend/gradio_coolimage/templates"]
+
+[tool.hatch.build.targets.wheel]
+packages = ["/backend/gradio_coolimage"]