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<!doctype html> <html lang="en"> <head> <title>Code coverage report for dist\lib\utils\Omnom.js</title> <meta charset="utf-8"> <link rel="stylesheet" href="../../../prettify.css"> <link rel="stylesheet" href="../../../base.css"> <style type='text/css'> div.coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class="header high"> <h1>Code coverage report for dist\lib\utils\Omnom.js</h1> <h2> Statements: 100% (139 / 139)      Branches: 96.91% (94 / 97)      Functions: 100% (19 / 19)      Lines: 100% (137 / 137)      Ignored: none      </h2> <div class="path"><a href="../../../index.html">All files</a> » <a href="index.html">dist/lib/utils/</a> » Omnom.js</div> </div> <div class="body"> <pre><table class="coverage"> <tr><td class="line-count">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187</td><td class="line-coverage">  1 1 1 1 30 30 30   1   220         1 30 30   1 12   1 159 3 156 13 1 12   143 1 142 2 140 78 62   147 21   126     62 147 3     1 22 22   22 5 5 15 10   5   5 6 5 4 1   8     1     17 10 10 25 4 4   10 6 10 6           11 11 11 44 44 14 30 3   11 3 8 5 8 3   1 32 19 32   1 3 3 3   1 1 1 1   1 10 4 10 4 2   2     6   1 9 2 9 2   7 3 3 3 1 3   4   1 3 2 3   1 158 158 316   158 158 316 233   158   1 96 93 3 3 3 3 12 12 3 3 3 3 12 3 3   1   1    </td><td class="text"><pre class="prettyprint lang-js">/// <reference path="../../_references.d.ts" /> var _ = require('lodash'); var MongoDB = require('mongodb'); var Omnom = (function () { function Omnom(options) { if (options === void 0) { options = {}; } this.options = options; this._changes = {}; } Object.defineProperty(Omnom.prototype, "changes", { get: function () { return this._changes; }, enumerable: true, configurable: true }); Omnom.prototype.diff = function (original, modified) { this.onObject(original, modified); return this; }; Omnom.diff = function (original, modified, options) { return new Omnom(options).diff(original, modified).changes; }; Omnom.prototype.onObject = function (original, modified, changePath) { if (original === undefined || original === null) return (original !== modified) && this.set(changePath, modified); if (typeof original == 'number' && typeof modified == 'number' && original !== modified) { if (this.options.atomicNumbers) return this.inc(changePath, modified - original); return this.set(changePath, modified); } if (Array.isArray(original) && Array.isArray(modified)) return this.onArray(original, modified, changePath); if (original instanceof MongoDB.ObjectID && modified instanceof MongoDB.ObjectID) return !original.equals(modified) && this.set(changePath, modified); if (!_.isPlainObject(original) || !_.isPlainObject(modified)) return !_.isEqual(original, modified) && this.set(changePath, modified); _.each(modified, function (value, key) { // Handle array diffs in their own special way if (Array.isArray(value) && Array.isArray(original[key])) this.onArray(original[key], value, this.resolve(changePath, key)); else this.onObject(original[key], value, this.resolve(changePath, key)); }, this); // Unset removed properties _.each(original, function (value, key) { if (modified[key] === undefined || modified[key] === null) return this.unset(this.resolve(changePath, key)); }, this); }; Omnom.prototype.onArray = function (original, modified, changePath) { var _this = this; var i, j; // Check if we can get from original => modified using just pulls if (original.length > modified.length) { var pulls = []; for (i = 0, j = 0; i < original.length && j < modified.length; i++) { if (this.almostEqual(original[i], modified[j])) j++; else pulls.push(original[i]); } for (; i < original.length; i++) pulls.push(original[i]); if (j === modified.length) { if (pulls.length === 1) return this.pull(changePath, pulls[0]); // We can complete using just pulls return pulls.forEach(function (pull) { return _this.pull(changePath, pull); }); } else return this.set(changePath, modified); } // Check if we can get from original => modified using just pushes if (original.length < modified.length) { var canPush = true; for (i = 0; i < original.length; i++) if (this.almostEqual(original[i], modified[i]) < 1) { canPush = false; break; } if (canPush) { for (i = original.length; i < modified.length; i++) this.push(changePath, modified[i]); return; } } // Otherwise, we need to use $set to generate the new array // Check how many manipulations would need to be performed, if it's more than half the array size // then rather re-create the array var sets = []; var partials = []; for (i = 0; i < modified.length; i++) { var equality = this.almostEqual(original[i], modified[i]); if (equality === 0) sets.push(i); else if (equality < 1) partials.push(i); } if (sets.length > modified.length / 2) return this.set(changePath, modified); for (i = 0; i < sets.length; i++) this.set(this.resolve(changePath, sets[i].toString()), modified[sets[i]]); for (i = 0; i < partials.length; i++) this.onObject(original[partials[i]], modified[partials[i]], this.resolve(changePath, partials[i].toString())); }; Omnom.prototype.set = function (path, value) { if (!this.changes.$set) this.changes.$set = {}; this.changes.$set[path] = value; }; Omnom.prototype.unset = function (path) { Eif (!this.changes.$unset) this.changes.$unset = {}; this.changes.$unset[path] = 1; }; Omnom.prototype.inc = function (path, value) { Eif (!this.changes.$inc) this.changes.$inc = {}; this.changes.$inc[path] = value; }; Omnom.prototype.push = function (path, value) { if (!this.changes.$push) this.changes.$push = {}; if (this.changes.$push[path]) { if (this.changes.$push[path].$each) this.changes.$push[path].$each.push(value); else this.changes.$push[path] = { $each: [this.changes.$push[path], value] }; } else this.changes.$push[path] = value; }; Omnom.prototype.pull = function (path, value) { if (!this.changes.$pull) this.changes.$pull = {}; if (this.changes.$pullAll && this.changes.$pullAll[path]) { return this.changes.$pullAll[path].push(value); } if (this.changes.$pull[path]) { this.pullAll(path, [this.changes.$pull[path], value]); delete this.changes.$pull[path]; if (_.keys(this.changes.$pull).length === 0) delete this.changes.$pull; return; } this.changes.$pull[path] = value; }; Omnom.prototype.pullAll = function (path, values) { if (!this.changes.$pullAll) this.changes.$pullAll = {}; this.changes.$pullAll[path] = values; }; Omnom.prototype.resolve = function () { var args = []; for (var _i = 0; _i < arguments.length; _i++) { args[_i - 0] = arguments[_i]; } var validArguments = []; args.forEach(function (arg) { if (arg) validArguments.push(arg); }); return validArguments.join('.'); }; Omnom.prototype.almostEqual = function (o1, o2) { if (!_.isPlainObject(o1) || !_.isPlainObject(o2)) return o1 == o2 ? 1 : 0; var o1i, o1k = Object.keys(o1); var o2k = Object.keys(o2); var commonKeys = []; for (o1i = 0; o1i < o1k.length; o1i++) Eif (~o2k.indexOf(o1k[o1i])) commonKeys.push(o1k[o1i]); var totalKeys = o1k.length + o2k.length - commonKeys.length; var keysDifference = totalKeys - commonKeys.length; var requiredChanges = 0; for (var i = 0; i < commonKeys.length; i++) if (this.almostEqual(o1[commonKeys[i]], o2[commonKeys[i]]) < 1) requiredChanges++; return 1 - (keysDifference / totalKeys) - (requiredChanges / commonKeys.length); }; return Omnom; })(); exports.default = Omnom;   //# sourceMappingURL=../../lib/utils/Omnom.js.map</pre></td></tr> </table></pre> </div> <div class="footer"> <div class="meta">Generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Thu Jun 18 2015 14:55:18 GMT+0200 (South Africa Standard Time)</div> </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); 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