Optimize dictFieldFormat

ext/bg/js/dictionary.js

@@ -327,7 +327,31 @@ function dictFieldSplit(field) {
 }
 
 async function dictFieldFormat(field, definition, mode, options) {
-    const markers = [
+    const data = {
+        marker: null,
+        definition,
+        group: options.general.resultOutputMode === 'group',
+        merge: options.general.resultOutputMode === 'merge',
+        modeTermKanji: mode === 'term-kanji',
+        modeTermKana: mode === 'term-kana',
+        modeKanji: mode === 'kanji',
+        compactGlossaries: options.general.compactGlossaries
+    };
+    const markers = dictFieldFormat.markers;
+    const pattern = /\{([\w\-]+)\}/g;
+    return await stringReplaceAsync(field, pattern, async (g0, marker) => {
+        if (!markers.has(marker)) {
+            return g0;
+        }
+        data.marker = marker;
+        try {
+            return await apiTemplateRender(options.anki.fieldTemplates, data, true);
+        } catch (e) {
+            return `{${marker}-render-error}`;
+        }
+    });
+}
+dictFieldFormat.markers = new Set([
     'audio',
     'character',
     'cloze-body',
@@ -346,26 +370,7 @@ async function dictFieldFormat(field, definition, mode, options) {
     'sentence',
     'tags',
     'url'
-    ];
+]);
-
-    for (const marker of markers) {
-        const data = {
-            marker,
-            definition,
-            group: options.general.resultOutputMode === 'group',
-            merge: options.general.resultOutputMode === 'merge',
-            modeTermKanji: mode === 'term-kanji',
-            modeTermKana: mode === 'term-kana',
-            modeKanji: mode === 'kanji',
-            compactGlossaries: options.general.compactGlossaries
-        };
-
-        const html = await apiTemplateRender(options.anki.fieldTemplates, data, true);
-        field = field.replace(`{${marker}}`, html);
-    }
-
-    return field;
-}
 
 async function dictNoteFormat(definition, mode, options) {
     const note = {fields: {}, tags: options.anki.tags};

ext/mixed/js/extension.js

@@ -133,3 +133,18 @@ function promiseTimeout(delay, resolveValue) {
 
     return promise;
 }
+
+function stringReplaceAsync(str, regex, replacer) {
+    let match;
+    let index = 0;
+    const parts = [];
+    while ((match = regex.exec(str)) !== null) {
+        parts.push(str.substring(index, match.index), replacer(...match, match.index, str));
+        index = regex.lastIndex;
+    }
+    if (parts.length === 0) {
+        return Promise.resolve(str);
+    }
+    parts.push(str.substring(index));
+    return Promise.all(parts).then(v => v.join(''));
+}