Speedup pronunciations retrieval for heavy workflows (#2438)

* return pronunciation with tokenize

* fix cache conflicts

Author: ShanaryS

ext/js/background/backend.js

@@ -1722,7 +1722,8 @@ export class Backend {
             const codePoint = /** @type {number} */ (text.codePointAt(i));
             const character = String.fromCodePoint(codePoint);
             const substring = text.substring(i, i + scanLength);
-            const cacheKey = `${optionsContext.index}:${substring}`;
+            const metadataMode = useAllFrequencyDictionaries === true ? 1 : 0;
+            const cacheKey = `${optionsContext.index}:${metadataMode}:${substring}`;
             let cached = this._textParseCache.get(cacheKey);
             if (typeof cached === 'undefined') {
                 const {dictionaryEntries, originalTextLength} = await this._translator.findTerms(
@@ -1754,7 +1755,15 @@ export class Backend {
                                     if (src.matchType !== 'exact') { continue; }
                                     validSources.push(src);
                                 }
-                                if (validSources.length > 0) { validHeadwords.push({term: headword.term, reading: headword.reading, sources: validSources, frequencies: dictionaryEntry.frequencies.filter((f) => f.headwordIndex === headword.headwordIndex)}); }
+                                if (validSources.length > 0) {
+                                    validHeadwords.push({
+                                        term: headword.term,
+                                        reading: headword.reading,
+                                        sources: validSources,
+                                        frequencies: dictionaryEntry.frequencies.filter((f) => f.headwordIndex === headword.headwordIndex),
+                                        pronunciations: dictionaryEntry.pronunciations.filter((p) => p.headwordIndex === headword.headwordIndex),
+                                    });
+                                }
                             }
                             if (validHeadwords.length > 0) { trimmedHeadwords.push(validHeadwords); }
                         }

types/ext/api.d.ts

@@ -69,6 +69,7 @@ export type ParseTextSegment = {
         reading: string;
         sources: Dictionary.TermSource[];
         frequencies: Dictionary.TermFrequency[];
+        pronunciations: Dictionary.TermPronunciation[];
     }[][];
 };