Make JSON.parse usage safer (#373)

* Make JSON.parse usage safer

* Fix any type

* Add readResponseJson

* Use readResponseJson

* Additional updates

* Rename files

* Add types

1 files changed, 2 insertions, 1 deletions

diff --git a/ext/js/input/hotkey-help-controller.js b/ext/js/input/hotkey-help-controller.js
index 4a3c0264..14063d9a 100644
--- a/ext/js/input/hotkey-help-controller.js
+++ b/ext/js/input/hotkey-help-controller.js
@@ -17,6 +17,7 @@
  */
 
 import {isObject} from '../core.js';
+import {parseJson} from '../core/json.js';
 import {yomitan} from '../yomitan.js';
 import {HotkeyUtil} from './hotkey-util.js';
 
@@ -149,7 +150,7 @@ export class HotkeyHelpController {
     _getNodeInfo(node) {
         const {hotkey} = node.dataset;
         if (typeof hotkey !== 'string') { return null; }
-        const data = /** @type {unknown} */ (JSON.parse(hotkey));
+        const data = /** @type {unknown} */ (parseJson(hotkey));
         if (!Array.isArray(data)) { return null; }
         const [action, attributes, values] = data;
         if (typeof action !== 'string') { return null; }