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import React, { useEffect, useState } from "react";
import ReactMde from "react-mde";
import { useDispatch } from "react-redux";
import { getDefaultToolbarCommands } from "react-mde";
import { Box } from "@chakra-ui/react";
import { nanoid } from "@reduxjs/toolkit";
import { uploadImage } from "../lib/api";
import converter from "../helper/converter";
import MDEToolbarImgIcon from "../utils/MDEToolbarImgIcon";
import { setMDEValueToStore } from "../store/post/postData";
import "react-mde/lib/styles/css/react-mde-all.css";
import "../styles/customizeMDE.scss";
import { BsCodeSquare } from "react-icons/bs";
const customToolbarCommands = () => {
const commands = getDefaultToolbarCommands();
commands[1].splice(3, 1, "code-block", "img_url");
return commands;
};
const codeBlock = {
name: "code-block",
icon: () => <BsCodeSquare size={18} style={{ position: "absolute" }} />,
execute: (opts) => {
opts.textApi.replaceSelection("```\n Enter code here... \n```");
},
};
const MDE = ({ MDEValue, setMDEValue, isSubmitting, setUploadingImg }) => {
const [value, setValue] = useState(MDEValue || "");
const [selectedTab, setSelectedTab] = useState("write");
const dispatch = useDispatch();
useEffect(() => {
if (setMDEValue) {
setMDEValue(value); //for comment
} else {
dispatch(setMDEValueToStore(value)); //for postData to publish or edit
}
}, [value, dispatch, setMDEValue]);
useEffect(() => {
if (!MDEValue) {
setValue(MDEValue);
} // setting MDEValue to useState doesn't trigger again after initial render so I set empty string to value if it's empty
}, [MDEValue]);
useEffect(() => {
if (isSubmitting) {
document.querySelector(".mde-text").disabled = true;
} else {
document.querySelector(".mde-text").disabled = false;
}
}, [isSubmitting]);
const mdeImgUploadHandler = (e) => {
const image = e.target.files[0];
if (image) {
document.querySelector(".mde-text").disabled = true;
setUploadingImg(true);
setValue((prevVal) =>
prevVal.replace("", "")
);
const selectedImgPath = `images/${img.name}${nanoid()}`;
uploadImage(image, selectedImgPath)
.then((url) => {
document.querySelector(".mde-text").disabled = false;
setValue((prevVal) =>
prevVal.replace("", ``)
);
setUploadingImg(false);
})
.catch((err) => console.log(err));
e.target.value = ""; // otherwise input event doesn't trigger again when user add the same file
}
};
const img = {
name: "image_url",
icon: () => <MDEToolbarImgIcon onChange={mdeImgUploadHandler} />,
execute: (opts) => {
opts.textApi.replaceSelection("");
},
};
return (
<Box w="100%" fontFamily="monospace">
<ReactMde
commands={{
"code-block": codeBlock,
img_url: img,
}}
loadingPreview="loading..."
toolbarCommands={customToolbarCommands()}
value={value}
onChange={setValue}
selectedTab={selectedTab}
onTabChange={setSelectedTab}
generateMarkdownPreview={(markdown) =>
Promise.resolve(converter().makeHtml(markdown))
}
/>
</Box>
);
};
export default React.memo(MDE);
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