From 93eaee9765c7478ee5ad7485d664b86acf3d4510 Mon Sep 17 00:00:00 2001
From: siikamiika <siikamiika@users.noreply.github.com>
Date: Thu, 13 Feb 2020 01:43:01 +0200
Subject: simplify DisplayGenerator initialization

---
 ext/mixed/js/display-generator.js | 26 ++++----------------------
 ext/mixed/js/display.js           | 11 +++--------
 2 files changed, 7 insertions(+), 30 deletions(-)

(limited to 'ext/mixed/js')

diff --git a/ext/mixed/js/display-generator.js b/ext/mixed/js/display-generator.js
index d5ab9dbc..ee3ac4cf 100644
--- a/ext/mixed/js/display-generator.js
+++ b/ext/mixed/js/display-generator.js
@@ -19,9 +19,6 @@
 
 class DisplayGenerator {
     constructor() {
-        this._isInitialized = false;
-        this._initializationPromise = null;
-
         this._termEntryTemplate = null;
         this._termExpressionTemplate = null;
         this._termDefinitionItemTemplate = null;
@@ -40,18 +37,10 @@ class DisplayGenerator {
         this._tagFrequencyTemplate = null;
     }
 
-    isInitialized() {
-        return this._isInitialized;
-    }
-
-    initialize() {
-        if (this._isInitialized) {
-            return Promise.resolve();
-        }
-        if (this._initializationPromise === null) {
-            this._initializationPromise = this._initializeInternal();
-        }
-        return this._initializationPromise;
+    async prepare() {
+        const html = await apiGetDisplayTemplatesHtml();
+        const doc = new DOMParser().parseFromString(html, 'text/html');
+        this._setTemplates(doc);
     }
 
     createTermEntry(details) {
@@ -303,13 +292,6 @@ class DisplayGenerator {
         return node;
     }
 
-    async _initializeInternal() {
-        const html = await apiGetDisplayTemplatesHtml();
-        const doc = new DOMParser().parseFromString(html, 'text/html');
-        this._setTemplates(doc);
-        this._isInitialized = true;
-    }
-
     _setTemplates(doc) {
         this._termEntryTemplate = doc.querySelector('#term-entry-template');
         this._termExpressionTemplate = doc.querySelector('#term-expression-template');
diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index a6cfe848..cee63d9b 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -243,6 +243,7 @@ class Display {
     }
 
     async initialize(options=null) {
+        await this.displayGenerator.prepare();
         await this.updateOptions(options);
         yomichan.on('optionsUpdate', () => this.updateOptions(null));
     }
@@ -365,10 +366,7 @@ class Display {
             window.focus();
         }
 
-        if (!this.displayGenerator.isInitialized()) {
-            await this.displayGenerator.initialize();
-            if (this.setContentToken !== token) { return; }
-        }
+        if (this.setContentToken !== token) { return; }
 
         this.definitions = definitions;
         if (context.disableHistory) {
@@ -429,10 +427,7 @@ class Display {
             window.focus();
         }
 
-        if (!this.displayGenerator.isInitialized()) {
-            await this.displayGenerator.initialize();
-            if (this.setContentToken !== token) { return; }
-        }
+        if (this.setContentToken !== token) { return; }
 
         this.definitions = definitions;
         if (context.disableHistory) {
-- 
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