pangu/dist/browser/scheduling/timing.js

Opinionated paranoid text spacing: automatically inserts whitespace between CJK (Chinese, Japanese, Korean) and ANS (alphabetical letters, numerical digits and symbols)

//#region src/browser/scheduling/timing.ts
function once(func) {
	let executed = false;
	return function(...args) {
		if (executed) return;
		executed = true;
		return func(...args);
	};
}
function debounce(func, delay, mustRunDelay = Infinity) {
	let timer = null;
	let startTime = null;
	return function(...args) {
		const currentTime = Date.now();
		if (timer) clearTimeout(timer);
		if (!startTime) startTime = currentTime;
		if (currentTime - startTime >= mustRunDelay) {
			func(...args);
			startTime = currentTime;
		} else timer = window.setTimeout(() => {
			func(...args);
		}, delay);
	};
}
function waitForVideosToLoad(delayMs, onLoaded) {
	const videos = Array.from(document.getElementsByTagName("video")).filter((video) => video.getClientRects().length > 0);
	if (videos.length === 0) setTimeout(onLoaded, delayMs);
	else if (videos.every((video) => video.readyState >= 3)) setTimeout(onLoaded, delayMs);
	else {
		let loadedCount = 0;
		const videoCount = videos.length;
		const checkAllLoaded = () => {
			loadedCount++;
			if (loadedCount >= videoCount) setTimeout(onLoaded, delayMs);
		};
		for (const video of videos) if (video.readyState >= 3) checkAllLoaded();
		else video.addEventListener("loadeddata", checkAllLoaded, { once: true });
		setTimeout(onLoaded, delayMs + 5e3);
	}
}
//#endregion
export { debounce, once, waitForVideosToLoad };

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