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rOACCT/node_modules/filesize/lib/filesize.js
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filesize.js
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			/**
			* filesize
			*
			* @copyright 2022 Jason Mulligan <jason.mulligan@avoidwork.com>
			* @license BSD-3-Clause
			* @version 8.0.7
			*/
			(function (global, factory) {
			typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
			typeof define === 'function' && define.amd ? define(factory) :
			(global = typeof globalThis !== 'undefined' ? globalThis : global \|\| self, global.filesize = factory());
			})(this, (function () { 'use strict';

			var b = /^(b\|B)$/,
			symbol = {
			iec: {
			bits: ["bit", "Kibit", "Mibit", "Gibit", "Tibit", "Pibit", "Eibit", "Zibit", "Yibit"],
			bytes: ["B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"]
			},
			jedec: {
			bits: ["bit", "Kbit", "Mbit", "Gbit", "Tbit", "Pbit", "Ebit", "Zbit", "Ybit"],
			bytes: ["B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]
			}
			},
			fullform = {
			iec: ["", "kibi", "mebi", "gibi", "tebi", "pebi", "exbi", "zebi", "yobi"],
			jedec: ["", "kilo", "mega", "giga", "tera", "peta", "exa", "zetta", "yotta"]
			},
			roundingFuncs = {
			floor: Math.floor,
			ceil: Math.ceil
			};
			/**
			* filesize
			*
			* @method filesize
			* @param {Mixed} arg String, Int or Float to transform
			* @param {Object} descriptor [Optional] Flags
			* @return {String} Readable file size String
			*/

			function filesize(arg) {
			var descriptor = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
			var result = [],
			val = 0,
			e,
			base,
			bits,
			ceil,
			full,
			fullforms,
			locale,
			localeOptions,
			neg,
			num,
			output,
			pad,
			round,
			u,
			unix,
			separator,
			spacer,
			standard,
			symbols,
			roundingFunc,
			precision;

			if (isNaN(arg)) {
			throw new TypeError("Invalid number");
			}

			bits = descriptor.bits === true;
			unix = descriptor.unix === true;
			pad = descriptor.pad === true;
			base = descriptor.base \|\| 10;
			round = descriptor.round !== void 0 ? descriptor.round : unix ? 1 : 2;
			locale = descriptor.locale !== void 0 ? descriptor.locale : "";
			localeOptions = descriptor.localeOptions \|\| {};
			separator = descriptor.separator !== void 0 ? descriptor.separator : "";
			spacer = descriptor.spacer !== void 0 ? descriptor.spacer : unix ? "" : " ";
			symbols = descriptor.symbols \|\| {};
			standard = base === 2 ? descriptor.standard \|\| "iec" : "jedec";
			output = descriptor.output \|\| "string";
			full = descriptor.fullform === true;
			fullforms = descriptor.fullforms instanceof Array ? descriptor.fullforms : [];
			e = descriptor.exponent !== void 0 ? descriptor.exponent : -1;
			roundingFunc = roundingFuncs[descriptor.roundingMethod] \|\| Math.round;
			num = Number(arg);
			neg = num < 0;
			ceil = base > 2 ? 1000 : 1024;
			precision = isNaN(descriptor.precision) === false ? parseInt(descriptor.precision, 10) : 0; // Flipping a negative number to determine the size

			if (neg) {
			num = -num;
			} // Determining the exponent


			if (e === -1 \|\| isNaN(e)) {
			e = Math.floor(Math.log(num) / Math.log(ceil));

			if (e < 0) {
			e = 0;
			}
			} // Exceeding supported length, time to reduce & multiply


			if (e > 8) {
			if (precision > 0) {
			precision += 8 - e;
			}

			e = 8;
			}

			if (output === "exponent") {
			return e;
			} // Zero is now a special case because bytes divide by 1


			if (num === 0) {
			result[0] = 0;
			u = result[1] = unix ? "" : symbol[standard][bits ? "bits" : "bytes"][e];
			} else {
			val = num / (base === 2 ? Math.pow(2, e * 10) : Math.pow(1000, e));

			if (bits) {
			val = val * 8;

			if (val >= ceil && e < 8) {
			val = val / ceil;
			e++;
			}
			}

			var p = Math.pow(10, e > 0 ? round : 0);
			result[0] = roundingFunc(val * p) / p;

			if (result[0] === ceil && e < 8 && descriptor.exponent === void 0) {
			result[0] = 1;
			e++;
			}

			u = result[1] = base === 10 && e === 1 ? bits ? "kbit" : "kB" : symbol[standard][bits ? "bits" : "bytes"][e];

			if (unix) {
			result[1] = result[1].charAt(0);

			if (b.test(result[1])) {
			result[0] = Math.floor(result[0]);
			result[1] = "";
			}
			}
			} // Decorating a 'diff'


			if (neg) {
			result[0] = -result[0];
			} // Setting optional precision


			if (precision > 0) {
			result[0] = result[0].toPrecision(precision);
			} // Applying custom symbol


			result[1] = symbols[result[1]] \|\| result[1];

			if (locale === true) {
			result[0] = result[0].toLocaleString();
			} else if (locale.length > 0) {
			result[0] = result[0].toLocaleString(locale, localeOptions);
			} else if (separator.length > 0) {
			result[0] = result[0].toString().replace(".", separator);
			}

			if (pad && Number.isInteger(result[0]) === false && round > 0) {
			var x = separator \|\| ".",
			tmp = result[0].toString().split(x),
			s = tmp[1] \|\| "",
			l = s.length,
			n = round - l;
			result[0] = "".concat(tmp[0]).concat(x).concat(s.padEnd(l + n, "0"));
			}

			if (full) {
			result[1] = fullforms[e] ? fullforms[e] : fullform[standard][e] + (bits ? "bit" : "byte") + (result[0] === 1 ? "" : "s");
			} // Returning Array, Object, or String (default)


			return output === "array" ? result : output === "object" ? {
			value: result[0],
			symbol: result[1],
			exponent: e,
			unit: u
			} : result.join(spacer);
			} // Partial application for functional programming


			filesize.partial = function (opt) {
			return function (arg) {
			return filesize(arg, opt);
			};
			};

			return filesize;

			}));