use all values of ExractResult

scripts/result.js

@@ -11,6 +11,9 @@ class ExractResult {
             i => this._data[i][index]
         );
     }
+    squash() {
+        return this._data.reduce((p, c) => p.concat(c), []);
+    }
     get data() {
         return this._data;
     }