Function onChange

src/codemirror.js:14204–14219

* Listens for changes made in insert mode. * Should only be active in insert mode.

(_cm, changeObj)

     * Should only be active in insert mode.
     */
    function onChange(_cm, changeObj) {
      var macroModeState = vimGlobalState.macroModeState;
      var lastChange = macroModeState.lastInsertModeChanges;
      if (!macroModeState.isPlaying) {
        while(changeObj) {
          lastChange.expectCursorActivityForChange = true;
          if (changeObj.origin == '+input' || changeObj.origin == 'paste'
              || changeObj.origin === undefined /* only in testing */) {
            var text = changeObj.text.join('\n');
            lastChange.changes.push(text);
          }
          // Change objects may be chained with next.
          changeObj = changeObj.next;
        }
      }
    }

    /**
    * Listens for any kind of cursor activity on CodeMirror.