Add benchmarks for Translator class methods (#654)

* add translator benches

* fix path

* update test names

* remove unnecessary window, rename bench to translator

3 files changed, 65 insertions, 1 deletions

diff --git a/benches/jsconfig.json b/benches/jsconfig.json
index 8b821d68..8743868a 100644
--- a/benches/jsconfig.json
+++ b/benches/jsconfig.json
@@ -15,6 +15,7 @@
             "*": ["../types/ext/*"],
             "dev/*": ["../types/dev/*"],
             "benches/*": ["../types/benches/*"],
+            "test/*": ["../types/test/*"],
             "rollup/parseAst": ["../types/other/rollup-parse-ast"],
             "ext/json-schema": ["../types/ext/json-schema"],
             "json-schema": ["json-schema"]
@@ -34,6 +35,7 @@
         "../types/ext/**/*.ts",
         "../types/dev/**/*.ts",
         "../types/benches/**/*.ts",
+        "../types/test/**/*.ts",
         "../types/other/globals.d.ts"
     ],
     "exclude": [
diff --git a/benches/translator.bench.js b/benches/translator.bench.js
new file mode 100644
index 00000000..1231c31c
--- /dev/null
+++ b/benches/translator.bench.js
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2023-2024  Yomitan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {readFileSync} from 'fs';
+import {fileURLToPath} from 'node:url';
+import path from 'path';
+import {bench, describe} from 'vitest';
+import {parseJson} from '../dev/json.js';
+import {createFindKanjiOptions, createFindTermsOptions} from '../test/utilities/translator.js';
+import {createTranslatorContext} from '../test/fixtures/translator-test.js';
+
+const dirname = path.dirname(fileURLToPath(import.meta.url));
+const dictionaryName = 'Test Dictionary 2';
+const translator = await createTranslatorContext(path.join(dirname, '..', 'test', 'data/dictionaries/valid-dictionary1'), dictionaryName);
+
+describe('Translator', () => {
+    const testInputsFilePath = path.join(dirname, '..', 'test', 'data/translator-test-inputs.json');
+    /** @type {import('test/translator').TranslatorTestInputs} */
+    const {optionsPresets, tests} = parseJson(readFileSync(testInputsFilePath, {encoding: 'utf8'}));
+
+    const findKanjiTests = tests.filter((data) => data.options === 'kanji');
+    const findTermTests = tests.filter((data) => data.options === 'default');
+    const findTermWithTextTransformationsTests = tests.filter((data) => data.options !== 'kanji' && data.options !== 'default');
+
+    bench(`Translator.prototype.findTerms - no text transformations  (n=${findTermTests.length})`, async () => {
+        for (const data of /** @type {import('test/translator').TestInputFindTerm[]} */ (findTermTests)) {
+            const {mode, text} = data;
+            const options = createFindTermsOptions(dictionaryName, optionsPresets, data.options);
+            await translator.findTerms(mode, text, options);
+        }
+    });
+
+    bench(`Translator.prototype.findTerms - text transformations  (n=${findTermWithTextTransformationsTests.length})`, async () => {
+        for (const data of /** @type {import('test/translator').TestInputFindTerm[]} */ (findTermWithTextTransformationsTests)) {
+            const {mode, text} = data;
+            const options = createFindTermsOptions(dictionaryName, optionsPresets, data.options);
+            await translator.findTerms(mode, text, options);
+        }
+    });
+
+    bench(`Translator.prototype.findKanji - (n=${findKanjiTests.length})`, async () => {
+        for (const data of /** @type {import('test/translator').TestInputFindKanji[]} */ (findKanjiTests)) {
+            const {text} = data;
+            const options = createFindKanjiOptions(dictionaryName, optionsPresets, data.options);
+            await translator.findKanji(text, options);
+        }
+    });
+});
diff --git a/test/fixtures/translator-test.js b/test/fixtures/translator-test.js
index d1b3de8b..a4c65b88 100644
--- a/test/fixtures/translator-test.js
+++ b/test/fixtures/translator-test.js
@@ -43,7 +43,7 @@ vi.stubGlobal('chrome', chrome);
  * @param {string} dictionaryName
  * @returns {Promise<Translator>}
  */
-async function createTranslatorContext(dictionaryDirectory, dictionaryName) {
+export async function createTranslatorContext(dictionaryDirectory, dictionaryName) {
     // Dictionary
     const testDictionary = createDictionaryArchive(dictionaryDirectory, dictionaryName);
     const testDictionaryContent = await testDictionary.generateAsync({type: 'arraybuffer'});