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-rw-r--r--ext/bg/js/settings/popup-preview-frame.js19
1 files changed, 9 insertions, 10 deletions
diff --git a/ext/bg/js/settings/popup-preview-frame.js b/ext/bg/js/settings/popup-preview-frame.js
index 9f642681..860f128c 100644
--- a/ext/bg/js/settings/popup-preview-frame.js
+++ b/ext/bg/js/settings/popup-preview-frame.js
@@ -106,11 +106,10 @@ class SettingsPopupPreview {
onMessage(e) {
const {action, params} = e.data;
- const handlers = SettingsPopupPreview.messageHandlers;
- if (hasOwn(handlers, action)) {
- const handler = handlers[action];
- handler(this, params);
- }
+ const handler = SettingsPopupPreview._messageHandlers.get(action);
+ if (typeof handler !== 'function') { return; }
+
+ handler(this, params);
}
onThemeDarkCheckboxChanged(node) {
@@ -176,11 +175,11 @@ class SettingsPopupPreview {
}
}
-SettingsPopupPreview.messageHandlers = {
- setText: (self, {text}) => self.setText(text),
- setCustomCss: (self, {css}) => self.setCustomCss(css),
- setCustomOuterCss: (self, {css}) => self.setCustomOuterCss(css)
-};
+SettingsPopupPreview._messageHandlers = new Map([
+ ['setText', (self, {text}) => self.setText(text)],
+ ['setCustomCss', (self, {css}) => self.setCustomCss(css)],
+ ['setCustomOuterCss', (self, {css}) => self.setCustomOuterCss(css)]
+]);
SettingsPopupPreview.instance = SettingsPopupPreview.create();