Updating dev dependencies, major version bump to release new module…

… value in `package.json`, adding `.esm` files in `/lib`

lib/filesize.es6.js

@@ -3,7 +3,7 @@
  *
  * @copyright 2021 Jason Mulligan <[email protected]>
  * @license BSD-3-Clause
- * @version 6.4.0
+ * @version 7.0.0
  */
 (function (global, factory) {
 	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :

lib/filesize.esm.js

@@ -0,0 +1,171 @@
+/**
+ * filesize
+ *
+ * @copyright 2021 Jason Mulligan <[email protected]>
+ * @license BSD-3-Clause
+ * @version 7.0.0
+ */
+const b = /^(b|B)$/,
+	symbol = {
+		iec: {
+			bits: ["b", "Kib", "Mib", "Gib", "Tib", "Pib", "Eib", "Zib", "Yib"],
+			bytes: ["B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"]
+		},
+		jedec: {
+			bits: ["b", "Kb", "Mb", "Gb", "Tb", "Pb", "Eb", "Zb", "Yb"],
+			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, descriptor = {}) {
+	let 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 || 2;
+	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 || "jedec" : "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++;
+			}
+		}
+
+		const 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 ? "kb" : "kB" : symbol[standard][bits ? "bits" : "bytes"][e];
+
+		if (unix) {
+			result[1] = standard === "jedec" ? result[1].charAt(0) : e > 0 ? result[1].replace(/B$/, "") : result[1];
+
+			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) {
+		const x = separator || ".",
+			tmp = result[0].toString().split(x),
+			s = tmp[1] || "",
+			l = s.length,
+			n = round - l;
+
+		result[0] = `${tmp[0]}${x}${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 = opt => arg => filesize(arg, opt);
+
+export default filesize;

lib/filesize.js

@@ -3,7 +3,7 @@
  *
  * @copyright 2021 Jason Mulligan <[email protected]>
  * @license BSD-3-Clause
- * @version 6.4.0
+ * @version 7.0.0
  */
 (function (global, factory) {
 	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :