alex/yomichan
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Use Map for Translator.tagCache

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This commit is contained in:
toasted-nutbread 2020-02-13 20:24:54 -05:00
parent e3c871bc00
commit 0e6b75438a
1 changed files with 14 additions and 14 deletions
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28
ext/bg/js/translator.js
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@ -27,7 +27,7 @@ class Translator {
constructor() { constructor() {
this.database = null; this.database = null;
this.deinflector = null; this.deinflector = null;
this.tagCache = {}; this.tagCache = new Map();
} }
async prepare() { async prepare() {
@ -44,12 +44,12 @@ class Translator {
} }
async purgeDatabase() { async purgeDatabase() {
this.tagCache = {}; this.tagCache.clear();
await this.database.purge(); await this.database.purge();
} }
async deleteDictionary(dictionaryName) { async deleteDictionary(dictionaryName) {
this.tagCache = {}; this.tagCache.clear();
await this.database.deleteDictionary(dictionaryName); await this.database.deleteDictionary(dictionaryName);
} }
@ -537,22 +537,22 @@ class Translator {
async getTagMetaList(names, title) { async getTagMetaList(names, title) {
const tagMetaList = []; const tagMetaList = [];
const cache = ( let cache = this.tagCache.get(title);
hasOwn(this.tagCache, title) ? if (typeof cache === 'undefined') {
this.tagCache[title] : cache = new Map();
(this.tagCache[title] = {}) this.tagCache.set(title, cache);
); }
for (const name of names) { for (const name of names) {
const base = Translator.getNameBase(name); const base = Translator.getNameBase(name);
if (hasOwn(cache, base)) { let tagMeta = cache.get(base);
tagMetaList.push(cache[base]); if (typeof tagMeta === 'undefined') {
} else { tagMeta = await this.database.findTagForTitle(base, title);
const tagMeta = await this.database.findTagForTitle(base, title); cache.set(base, tagMeta);
cache[base] = tagMeta;
tagMetaList.push(tagMeta);
} }
tagMetaList.push(tagMeta);
} }
return tagMetaList; return tagMetaList;