is-minified-code/dist/index.js

Check if a piece of code is minified.

(function (global, factory) {
	if (typeof define === "function" && define.amd) {
		define(['module'], factory);
	} else if (typeof exports !== "undefined") {
		factory(module);
	} else {
		var mod = {
			exports: {}
		};
		factory(mod);
	}
})(this, function (module) {
	'use strict';

	var COMMENT_PATTERN = /\/\*[\s\S]*?\*\/\r?\n?|\/\/.{0,200}?(?:\r?\n|$)/g;
	var TRAILING_LF_PATTERN = /\r?\n$/;

	module.exports = function (code) {
		code = code.replace(COMMENT_PATTERN, '').replace(TRAILING_LF_PATTERN, '');
		var lines = code.split('\n').map(function (l) {
			return l.length;
		}).filter(function (l) {
			return l;
		});
		return lines.length <= 1 || median(lines) > 200;
	};

	function median(values) {
		values.sort(function (a, b) {
			return a - b;
		});
		var half = Math.floor(values.length / 2);

		if (values.length % 2) {
			return values[half];
		}

		return (values[half - 1] + values[half]) / 2;
	}
});