Merge pull request #132 from ueokande/meta-keys

Meta keys

1 files changed, 18 insertions, 5 deletions

diff --git a/src/content/components/common/keymapper.js b/src/content/components/common/keymapper.js
index 1da3c0d..0abbc91 100644
--- a/src/content/components/common/keymapper.js
+++ b/src/content/components/common/keymapper.js
@@ -1,6 +1,19 @@
 import * as inputActions from 'content/actions/input';
 import * as operationActions from 'content/actions/operation';
 import operations from 'shared/operations';
+import * as keyUtils from 'shared/utils/keys';
+
+const mapStartsWith = (mapping, keys) => {
+  if (mapping.length < keys.length) {
+    return false;
+  }
+  for (let i = 0; i < keys.length; ++i) {
+    if (!keyUtils.equals(mapping[i], keys[i])) {
+      return false;
+    }
+  }
+  return true;
+};
 
 export default class KeymapperComponent {
   constructor(store) {
@@ -14,14 +27,14 @@ export default class KeymapperComponent {
     let input = state.input;
     let keymaps = state.setting.keymaps;
 
-    let matched = Object.keys(keymaps).filter((keyStr) => {
-      return keyStr.startsWith(input.keys);
+    let matched = Array.from(keymaps.keys()).filter((mapping) => {
+      return mapStartsWith(mapping, input.keys);
     });
     if (!state.addon.enabled) {
       // available keymaps are only ADDON_ENABLE and ADDON_TOGGLE_ENABLED if
       // the addon disabled
       matched = matched.filter((keys) => {
-        let type = keymaps[keys].type;
+        let type = keymaps.get(keys).type;
         return type === operations.ADDON_ENABLE ||
           type === operations.ADDON_TOGGLE_ENABLED;
       });
@@ -30,10 +43,10 @@ export default class KeymapperComponent {
       this.store.dispatch(inputActions.clearKeys());
       return false;
     } else if (matched.length > 1 ||
-      matched.length === 1 && input.keys !== matched[0]) {
+      matched.length === 1 && input.keys.length < matched[0].length) {
       return true;
     }
-    let operation = keymaps[matched];
+    let operation = keymaps.get(matched[0]);
     this.store.dispatch(operationActions.exec(operation));
     this.store.dispatch(inputActions.clearKeys());
     return true;