diff-match-patch

npm package for https://code.google.com/p/google-diff-match-patch/

diff-match-patch

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;

http://www.apache.org/licenses/LICENSE-2.0