testbed/gradio-app__gradio/js/app/src/components/utils/helpers.ts

// import mime from "mime-types";

export const playable = (): boolean => {
	// let video_element = document.createElement("video");
	// let mime_type = mime.lookup(filename);
	// return video_element.canPlayType(mime_type) != "";
	return true; // FIX BEFORE COMMIT - mime import causing issues
};

export const deepCopy = <T>(obj: T): T => {
	return JSON.parse(JSON.stringify(obj));
};

export function randInt(min: number, max: number): number {
	return Math.floor(Math.random() * (max - min) + min);
}

export const getNextColor = (index: number, alpha = 1): string => {
	let default_colors = [
		[255, 99, 132],
		[54, 162, 235],
		[240, 176, 26],
		[153, 102, 255],
		[75, 192, 192],
		[255, 159, 64],
		[194, 88, 74],
		[44, 102, 219],
		[44, 163, 23],
		[191, 46, 217],
		[160, 162, 162],
		[163, 151, 27]
	];
	if (index < default_colors.length) {
		var color_set = default_colors[index];
	} else {
		var color_set = [randInt(64, 196), randInt(64, 196), randInt(64, 196)];
	}
	return (
		"rgba(" +
		color_set[0] +
		", " +
		color_set[1] +
		", " +
		color_set[2] +
		", " +
		alpha +
		")"
	);
};

export const prettyBytes = (bytes: number): string => {
	let units = ["B", "KB", "MB", "GB", "PB"];
	let i = 0;
	while (bytes > 1024) {
		bytes /= 1024;
		i++;
	}
	let unit = units[i];
	return bytes.toFixed(1) + " " + unit;
};

export const prettySI = (num: number): string => {
	let units = ["", "k", "M", "G", "T", "P", "E", "Z"];
	let i = 0;
	while (num > 1000 && i < units.length - 1) {
		num /= 1000;
		i++;
	}
	let unit = units[i];
	return (Number.isInteger(num) ? num : num.toFixed(1)) + unit;
};