diff --git a/dist/isEq.min.js b/dist/isEq.min.js deleted file mode 100644 index 60f6b3f..0000000 --- a/dist/isEq.min.js +++ /dev/null @@ -1,10 +0,0 @@ -/** - * Written by Muthu Kumar - * Original source: https://github.com/CodeFeathers/isEq - * - * Deep compares objects or arrays and returns boolean. - * Supports Number, String, Boolean, Regexp, Objects, Arrays. - * - * Usage: isEq(<*>, <*>, [compareKeys, ...]); - */ -(function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o + * isEq(item1, item2 [, compareKeys]) + * @description Deep compares objects or arrays and returns boolean. + * Supports Number, String, Boolean, Regexp, Objects, Arrays + * @param {*} item1 - Object or Array to compare against. + * @param {*} item2 - Object or Array to compare with. + * @param {Array} [compareKeys] - Keys to compare against. Ignores other keys. + */ + +const isEq = (item1, item2, compareKeys) => { + + // Returns false if different types are used. + if (typeof item1 !== typeof item2) return false; + + // Arrays are of type object, hence let's go one further step + // to prove type inequality + if ((Array.isArray(item1) + && !Array.isArray(item2)) + || ((Array.isArray(item2) + && !Array.isArray(item1)))) + return false; + + // Since types are already equal, let's find if items are equal. + if ((typeof item1 === 'number') || + (typeof item1 === 'string') || + (typeof item1 === 'boolean') || + (item1 === null) || + (item1 === undefined)) { + return (item1 === item2); + }; + + // 'NaN's are special. They aren't equal to each other. + if (Number.isNaN(item1) && Number.isNaN(item2)) return true; + + // Regexp needs to be Stringified first before comparing equality + if (item1 instanceof RegExp) return String(item1) === String(item2); + + // If none of the above conditions returned, then check if inputs are handlable + if (typeof (item1) !== 'object' || typeof (item2) !== 'object') + throw new Error('[isEq] Unhandleable input!'); + + const item1Keys = Object.keys(item1); + const item2Keys = Object.keys(item2); + + // If compare keys array is not given, let's check length of props + // and check second array against first. + if (!compareKeys) { + compareKeys = item1Keys; + if (item1Keys.length !== item2Keys.length) { + return false; + }; + }; + + if(!(Array.isArray(compareKeys))) + throw new Error('[isEq] third parameter should be an array of keys!'); + + // Either both are empty objects or arrays, or compareArray is empty. Return true. + if(compareKeys.length === 0) return true; + + // For each key in our reference... + for (let KeyIndex in compareKeys) { + + let Key = compareKeys[KeyIndex]; + if (Array.isArray(item1[Key]) && Array.isArray(item2[Key])) { + Key = KeyIndex; + }; + + // Inequality at this point can be because it's just comparing + // two objects or arrays that may or may not be equivalent. + if (item1[Key] !== item2[Key]) { + + if (typeof (item1[Key] === 'object') && typeof (item2[Key] === 'object') || + (Array.isArray(item1[Key]) && Array.isArray(item2[Key]))) { + if (!isEq(item1[Key], item2[Key])) { + return false; + }; + } else { + return false; + }; + }; + }; + + return true; +}; + +module.exports = isEq; +},{}]},{},[1])(1) +}); \ No newline at end of file diff --git a/umd/isEq.min.js b/umd/isEq.min.js new file mode 100644 index 0000000..6970ca5 --- /dev/null +++ b/umd/isEq.min.js @@ -0,0 +1,12 @@ +/** + * ↘️↘️ + * @author Muthu Kumar + * isEq(item1, item2 [, compareKeys]) + * @description Deep compares objects or arrays and returns boolean. + * Supports Number, String, Boolean, Regexp, Objects, Arrays + * @param {*} item1 - Object or Array to compare against. + * @param {*} item2 - Object or Array to compare with. + * @param {Array} [compareKeys] - Keys to compare against. Ignores other keys. + */ +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.isEq=f()}})(function(){var define,module,exports;return(function(){function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o{if(typeof item1!==typeof item2)return!1;if((Array.isArray(item1)&&!Array.isArray(item2))||((Array.isArray(item2)&&!Array.isArray(item1))))return!1;if((typeof item1==='number')||(typeof item1==='string')||(typeof item1==='boolean')||(item1===null)||(item1===undefined)){return(item1===item2)};if(Number.isNaN(item1)&&Number.isNaN(item2))return!0;if(item1 instanceof RegExp)return String(item1)===String(item2);if(typeof(item1)!=='object'||typeof(item2)!=='object') +throw new Error('[isEq] Unhandleable input!');const item1Keys=Object.keys(item1);const item2Keys=Object.keys(item2);if(!compareKeys){compareKeys=item1Keys;if(item1Keys.length!==item2Keys.length){return!1}};if(!(Array.isArray(compareKeys)))throw new Error('[isEq] third parameter should be an array of keys!');if(compareKeys.length===0)return!0;for(let KeyIndex in compareKeys){let Key=compareKeys[KeyIndex];if(Array.isArray(item1[Key])&&Array.isArray(item2[Key])){Key=KeyIndex};if(item1[Key]!==item2[Key]){if(typeof(item1[Key]==='object')&&typeof(item2[Key]==='object')||(Array.isArray(item1[Key])&&Array.isArray(item2[Key]))){if(!isEq(item1[Key],item2[Key])){return!1}}else{return!1}}};return!0};module.exports=isEq},{}]},{},[1])(1)}) \ No newline at end of file