npm package for https://code.google.com/p/google-diff-match-patch/
npm install diff-match-patch https://code.google.com/p/google-diff-match-patch/wiki/API
var DiffMatchPatch = require('diff-match-patch'); var dmp = new DiffMatchPatch(); //use the methods that dmp has //see: https://code.google.com/p/google-diff-match-patch/wiki/API //You can also use the following properties: DiffMatchPatch.DIFF_DELETE = -1; DiffMatchPatch.DIFF_INSERT = 1; DiffMatchPatch.DIFF_EQUAL = 0;