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import { useEffect, useState } from "react";
import { showToast } from "./components/ui-lib";
import Locale from "./locales";
export function trimTopic(topic: string) {
return topic.replace(/[，。！？”“"、,.!?]*$/, "");
}
export async function copyToClipboard(text: string) {
try {
await navigator.clipboard.writeText(text);
showToast(Locale.Copy.Success);
} catch (error) {
const textArea = document.createElement("textarea");
textArea.value = text;
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
try {
document.execCommand("copy");
showToast(Locale.Copy.Success);
} catch (error) {
showToast(Locale.Copy.Failed);
}
document.body.removeChild(textArea);
}
}
export function downloadAs(text: string, filename: string) {
const element = document.createElement("a");
element.setAttribute(
"href",
"data:text/plain;charset=utf-8," + encodeURIComponent(text),
);
element.setAttribute("download", filename);
element.style.display = "none";
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
export function isIOS() {
const userAgent = navigator.userAgent.toLowerCase();
return /iphone|ipad|ipod/.test(userAgent);
}
export function useWindowSize() {
const [size, setSize] = useState({
width: window.innerWidth,
height: window.innerHeight,
});
useEffect(() => {
const onResize = () => {
setSize({
width: window.innerWidth,
height: window.innerHeight,
});
};
window.addEventListener("resize", onResize);
return () => {
window.removeEventListener("resize", onResize);
};
}, []);
return size;
}
export const MOBILE_MAX_WIDTH = 600;
export function useMobileScreen() {
const { width } = useWindowSize();
return width <= MOBILE_MAX_WIDTH;
}
export function isMobileScreen() {
if (typeof window === "undefined") {
return false;
}
return window.innerWidth <= MOBILE_MAX_WIDTH;
}
export function isFirefox() {
return (
typeof navigator !== "undefined" && /firefox/i.test(navigator.userAgent)
);
}
export function selectOrCopy(el: HTMLElement, content: string) {
const currentSelection = window.getSelection();
if (currentSelection?.type === "Range") {
return false;
}
copyToClipboard(content);
return true;
}
function getDomContentWidth(dom: HTMLElement) {
const style = window.getComputedStyle(dom);
const paddingWidth =
parseFloat(style.paddingLeft) + parseFloat(style.paddingRight);
const width = dom.clientWidth - paddingWidth;
return width;
}
function getOrCreateMeasureDom(id: string, init?: (dom: HTMLElement) => void) {
let dom = document.getElementById(id);
if (!dom) {
dom = document.createElement("span");
dom.style.position = "absolute";
dom.style.wordBreak = "break-word";
dom.style.fontSize = "14px";
dom.style.transform = "translateY(-200vh)";
dom.style.pointerEvents = "none";
dom.style.opacity = "0";
dom.id = id;
document.body.appendChild(dom);
init?.(dom);
}
return dom!;
}
export function autoGrowTextArea(dom: HTMLTextAreaElement) {
const measureDom = getOrCreateMeasureDom("__measure");
const singleLineDom = getOrCreateMeasureDom("__single_measure", (dom) => {
dom.innerText = "TEXT_FOR_MEASURE";
});
const width = getDomContentWidth(dom);
measureDom.style.width = width + "px";
measureDom.innerText = dom.value.trim().length > 0 ? dom.value : "1";
const lineWrapCount = Math.max(0, dom.value.split("\n").length - 1);
const height = parseFloat(window.getComputedStyle(measureDom).height);
const singleLineHeight = parseFloat(
window.getComputedStyle(singleLineDom).height,
);
const rows = Math.round(height / singleLineHeight) + lineWrapCount;
return rows;
}
export function getCSSVar(varName: string) {
return getComputedStyle(document.body).getPropertyValue(varName).trim();
}
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