schnee effeckt und fehler Korektur

node_modules/pretty-bytes/index.js

@@ -1,27 +1,118 @@
 'use strict';
-var numberIsNan = require('number-is-nan');
 
-module.exports = function (num) {
-	if (typeof num !== 'number' || numberIsNan(num)) {
-		throw new TypeError('Expected a number');
+const BYTE_UNITS = [
+	'B',
+	'kB',
+	'MB',
+	'GB',
+	'TB',
+	'PB',
+	'EB',
+	'ZB',
+	'YB'
+];
+
+const BIBYTE_UNITS = [
+	'B',
+	'kiB',
+	'MiB',
+	'GiB',
+	'TiB',
+	'PiB',
+	'EiB',
+	'ZiB',
+	'YiB'
+];
+
+const BIT_UNITS = [
+	'b',
+	'kbit',
+	'Mbit',
+	'Gbit',
+	'Tbit',
+	'Pbit',
+	'Ebit',
+	'Zbit',
+	'Ybit'
+];
+
+const BIBIT_UNITS = [
+	'b',
+	'kibit',
+	'Mibit',
+	'Gibit',
+	'Tibit',
+	'Pibit',
+	'Eibit',
+	'Zibit',
+	'Yibit'
+];
+
+/*
+Formats the given number using `Number#toLocaleString`.
+- If locale is a string, the value is expected to be a locale-key (for example: `de`).
+- If locale is true, the system default locale is used for translation.
+- If no value for locale is specified, the number is returned unmodified.
+*/
+const toLocaleString = (number, locale, options) => {
+	let result = number;
+	if (typeof locale === 'string' || Array.isArray(locale)) {
+		result = number.toLocaleString(locale, options);
+	} else if (locale === true || options !== undefined) {
+		result = number.toLocaleString(undefined, options);
 	}
 
-	var exponent;
-	var unit;
-	var neg = num < 0;
-	var units = ['B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
-
-	if (neg) {
-		num = -num;
-	}
-
-	if (num < 1) {
-		return (neg ? '-' : '') + num + ' B';
-	}
-
-	exponent = Math.min(Math.floor(Math.log(num) / Math.log(1000)), units.length - 1);
-	num = (num / Math.pow(1000, exponent)).toFixed(2) * 1;
-	unit = units[exponent];
-
-	return (neg ? '-' : '') + num + ' ' + unit;
+	return result;
+};
+
+module.exports = (number, options) => {
+	if (!Number.isFinite(number)) {
+		throw new TypeError(`Expected a finite number, got ${typeof number}: ${number}`);
+	}
+
+	options = Object.assign({bits: false, binary: false}, options);
+
+	const UNITS = options.bits ?
+		(options.binary ? BIBIT_UNITS : BIT_UNITS) :
+		(options.binary ? BIBYTE_UNITS : BYTE_UNITS);
+
+	if (options.signed && number === 0) {
+		return ` 0 ${UNITS[0]}`;
+	}
+
+	const isNegative = number < 0;
+	const prefix = isNegative ? '-' : (options.signed ? '+' : '');
+
+	if (isNegative) {
+		number = -number;
+	}
+
+	let localeOptions;
+
+	if (options.minimumFractionDigits !== undefined) {
+		localeOptions = {minimumFractionDigits: options.minimumFractionDigits};
+	}
+
+	if (options.maximumFractionDigits !== undefined) {
+		localeOptions = Object.assign({maximumFractionDigits: options.maximumFractionDigits}, localeOptions);
+	}
+
+	if (number < 1) {
+		const numberString = toLocaleString(number, options.locale, localeOptions);
+		return prefix + numberString + ' ' + UNITS[0];
+	}
+
+	const exponent = Math.min(Math.floor(options.binary ? Math.log(number) / Math.log(1024) : Math.log10(number) / 3), UNITS.length - 1);
+	// eslint-disable-next-line unicorn/prefer-exponentiation-operator
+	number /= Math.pow(options.binary ? 1024 : 1000, exponent);
+
+	if (!localeOptions) {
+		number = number.toPrecision(3);
+	}
+
+	const numberString = toLocaleString(Number(number), options.locale, localeOptions);
+
+	const unit = UNITS[exponent];
+
+	return prefix + numberString + ' ' + unit;
 };