completion as action/reducer

src/actions/background.js

@@ -0,0 +1,11 @@
+import actions from '../actions';
+
+export function requestCompletions(line) {
+  let command = line.split(' ', 1)[0];
+  let keywords = line.replace(command + ' ', '');
+  return {
+    type: actions.BACKGROUND_REQUEST_COMPLETIONS,
+    command,
+    keywords
+  };
+}

src/actions/index.js

@@ -2,5 +2,7 @@ export default {
   CONSOLE_SHOW_COMMAND: 'vimvixen.console.show.command',
   CONSOLE_SET_COMPLETIONS: 'vimvixen.console.set.completions',
   CONSOLE_SHOW_ERROR: 'vimvixen.console.show.error',
-  CONSOLE_HIDE: 'vimvixen.console.hide'
+  CONSOLE_HIDE: 'vimvixen.console.hide',
+
+  BACKGROUND_REQUEST_COMPLETIONS: 'vimvixen.background.request.completions'
 };