DictionaryImporterThreaded (#1865)

* Create new classes for importing dictionaries from a separate thread

* Use threaded importer

* Update worker tests
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toasted-nutbread 2021-07-31 14:46:09 -04:00 committed by GitHub
parent 992c8bcf75
commit 8c4a50f68c
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9 changed files with 340 additions and 29 deletions

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@ -221,6 +221,25 @@
"crypto": "readonly"
}
},
{
"files": [
"ext/js/core.js",
"ext/js/data/database.js",
"ext/js/data/json-schema.js",
"ext/js/general/cache-map.js",
"ext/js/language/dictionary-database.js",
"ext/js/language/dictionary-importer.js",
"ext/js/language/dictionary-importer-worker.js",
"ext/js/language/dictionary-importer-worker-media-loader.js",
"ext/js/media/media-util.js"
],
"env": {
"browser": false,
"worker": true,
"es2017": true,
"webextensions": true
}
},
{
"files": [
"ext/js/**/*.js"

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@ -0,0 +1,85 @@
/*
* Copyright (C) 2021 Yomichan 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/>.
*/
/* global
* DictionaryImporterMediaLoader
*/
class DictionaryImporterThreaded {
importDictionary(archiveContent, details, onProgress) {
return new Promise((resolve, reject) => {
const dictionaryImporterMediaLoader = new DictionaryImporterMediaLoader();
const worker = new Worker('/js/language/dictionary-importer-worker-main.js', {});
const onMessage = (e) => {
const {action, params} = e.data;
switch (action) {
case 'complete':
worker.removeEventListener('message', onMessage);
worker.terminate();
this._onComplete(params, resolve, reject);
break;
case 'progress':
this._onProgress(params, onProgress);
break;
case 'getImageResolution':
this._onGetImageResolution(params, worker, dictionaryImporterMediaLoader);
break;
}
};
worker.addEventListener('message', onMessage);
worker.postMessage({
action: 'import',
params: {details, archiveContent}
}, [archiveContent]);
});
}
// Private
_onComplete(params, resolve, reject) {
const {error} = params;
if (typeof error !== 'undefined') {
reject(deserializeError(error));
} else {
resolve(this._formatResult(params.result));
}
}
_formatResult(data) {
const {result, errors} = data;
const errors2 = errors.map((error) => deserializeError(error));
return {result, errors: errors2};
}
_onProgress(params, onProgress) {
if (typeof onProgress !== 'function') { return; }
const {args} = params;
onProgress(...args);
}
async _onGetImageResolution(params, worker, dictionaryImporterMediaLoader) {
const {id, mediaType, content} = params;
let response;
try {
const result = await dictionaryImporterMediaLoader.getImageResolution(mediaType, content);
response = {id, result};
} catch (e) {
response = {id, error: serializeError(e)};
}
worker.postMessage({action: 'getImageResolution.response', params: response});
}
}

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@ -0,0 +1,42 @@
/*
* Copyright (C) 2021 Yomichan 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/>.
*/
/* global
* DictionaryImporterWorker
*/
self.importScripts(
'/lib/jszip.min.js',
'/js/core.js',
'/js/data/database.js',
'/js/data/json-schema.js',
'/js/general/cache-map.js',
'/js/language/dictionary-database.js',
'/js/language/dictionary-importer.js',
'/js/language/dictionary-importer-worker.js',
'/js/language/dictionary-importer-worker-media-loader.js',
'/js/media/media-util.js'
);
(() => {
try {
const dictionaryImporterWorker = new DictionaryImporterWorker();
dictionaryImporterWorker.prepare();
} catch (e) {
log.error(e);
}
})();

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@ -0,0 +1,65 @@
/*
* Copyright (C) 2021 Yomichan 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/>.
*/
/**
* Class used for loading and validating media from a worker thread
* during the dictionary import process.
*/
class DictionaryImporterWorkerMediaLoader {
/**
* Creates a new instance of the media loader.
*/
constructor() {
this._requests = new Map();
}
/**
* Handles a response message posted to the worker thread.
* @param params Details of the response.
*/
handleMessage(params) {
const {id} = params;
const request = this._requests.get(id);
if (typeof request === 'undefined') { return; }
this._requests.delete(id);
const {error} = params;
if (typeof error !== 'undefined') {
request.reject(deserializeError(error));
} else {
request.resolve(params.result);
}
}
/**
* Attempts to load an image using a base64 encoded content and a media type
* and returns its resolution.
* @param mediaType The media type for the image content.
* @param content The binary content for the image, encoded in base64.
* @returns A Promise which resolves with {width, height} on success,
* otherwise an error is thrown.
*/
getImageResolution(mediaType, content) {
return new Promise((resolve, reject) => {
const id = generateId(16);
this._requests.set(id, {resolve, reject});
self.postMessage({
action: 'getImageResolution',
params: {id, mediaType, content}
});
});
}
}

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@ -0,0 +1,83 @@
/*
* Copyright (C) 2021 Yomichan 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/>.
*/
/* global
* DictionaryDatabase
* DictionaryImporter
* DictionaryImporterWorkerMediaLoader
*/
class DictionaryImporterWorker {
constructor() {
this._mediaLoader = new DictionaryImporterWorkerMediaLoader();
}
prepare() {
self.addEventListener('message', this._onMessage.bind(this), false);
}
// Private
_onMessage(e) {
const {action, params} = e.data;
switch (action) {
case 'import':
this._onImport(params);
break;
case 'getImageResolution.response':
this._mediaLoader.handleMessage(params);
break;
}
}
async _onImport({details, archiveContent}) {
const onProgress = (...args) => {
self.postMessage({
action: 'progress',
params: {args}
});
};
let response;
try {
const result = await this._importDictionary(archiveContent, details, onProgress);
response = {result};
} catch (e) {
response = {error: serializeError(e)};
}
self.postMessage({action: 'complete', params: response});
}
async _importDictionary(archiveContent, importDetails, onProgress) {
const dictionaryDatabase = await this._getPreparedDictionaryDatabase();
try {
const dictionaryImporter = new DictionaryImporter(this._mediaLoader);
const {result, errors} = await dictionaryImporter.importDictionary(dictionaryDatabase, archiveContent, importDetails, onProgress);
return {
result,
errors: errors.map((error) => serializeError(error))
};
} finally {
dictionaryDatabase.close();
}
}
async _getPreparedDictionaryDatabase() {
const dictionaryDatabase = new DictionaryDatabase();
await dictionaryDatabase.prepare();
return dictionaryDatabase;
}
}

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@ -17,9 +17,7 @@
/* global
* DictionaryController
* DictionaryDatabase
* DictionaryImporter
* DictionaryImporterMediaLoader
* DictionaryImporterThreaded
*/
class DictionaryImportController {
@ -183,12 +181,9 @@ class DictionaryImportController {
}
async _importDictionary(file, importDetails, onProgress) {
const dictionaryDatabase = await this._getPreparedDictionaryDatabase();
try {
const dictionaryImporterMediaLoader = new DictionaryImporterMediaLoader();
const dictionaryImporter = new DictionaryImporter(dictionaryImporterMediaLoader);
const dictionaryImporter = new DictionaryImporterThreaded();
const archiveContent = await this._readFile(file);
const {result, errors} = await dictionaryImporter.importDictionary(dictionaryDatabase, archiveContent, importDetails, onProgress);
const {result, errors} = await dictionaryImporter.importDictionary(archiveContent, importDetails, onProgress);
yomichan.api.triggerDatabaseUpdated('dictionary', 'import');
const errors2 = await this._addDictionarySettings(result.sequenced, result.title);
@ -197,9 +192,6 @@ class DictionaryImportController {
allErrors.push(new Error(`Dictionary may not have been imported properly: ${allErrors.length} error${allErrors.length === 1 ? '' : 's'} reported.`));
this._showErrors(allErrors);
}
} finally {
dictionaryDatabase.close();
}
}
async _addDictionarySettings(sequenced, title) {
@ -311,12 +303,6 @@ class DictionaryImportController {
}
}
async _getPreparedDictionaryDatabase() {
const dictionaryDatabase = new DictionaryDatabase();
await dictionaryDatabase.prepare();
return dictionaryDatabase;
}
async _modifyGlobalSettings(targets) {
const results = await this._settingsController.modifyGlobalSettings(targets);
const errors = [];

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@ -3421,7 +3421,6 @@
<!-- Scripts -->
<script src="/lib/jszip.min.js"></script>
<script src="/lib/wanakana.min.js"></script>
<script src="/js/core.js"></script>
@ -3451,8 +3450,8 @@
<script src="/js/general/task-accumulator.js"></script>
<script src="/js/input/hotkey-util.js"></script>
<script src="/js/language/dictionary-database.js"></script>
<script src="/js/language/dictionary-importer.js"></script>
<script src="/js/language/dictionary-importer-media-loader.js"></script>
<script src="/js/language/dictionary-importer-threaded.js"></script>
<script src="/js/language/sandbox/dictionary-data-util.js"></script>
<script src="/js/language/sandbox/japanese-util.js"></script>
<script src="/js/media/audio-system.js"></script>

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@ -384,8 +384,6 @@
<!-- Scripts -->
<script src="/lib/jszip.min.js"></script>
<script src="/js/core.js"></script>
<script src="/js/yomichan.js"></script>
@ -408,8 +406,8 @@
<script src="/js/general/task-accumulator.js"></script>
<script src="/js/input/hotkey-util.js"></script>
<script src="/js/language/dictionary-database.js"></script>
<script src="/js/language/dictionary-importer.js"></script>
<script src="/js/language/dictionary-importer-media-loader.js"></script>
<script src="/js/language/dictionary-importer-threaded.js"></script>
<script src="/js/media/media-util.js"></script>
<script src="/js/pages/settings/dictionary-controller.js"></script>
<script src="/js/pages/settings/dictionary-import-controller.js"></script>

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@ -22,6 +22,13 @@ const {VM} = require('../dev/vm');
const assert = require('assert');
class StubClass {
prepare() {
// NOP
}
}
function loadEslint() {
return JSON.parse(fs.readFileSync(path.join(__dirname, '..', '.eslintrc.json'), {encoding: 'utf8'}));
}
@ -87,9 +94,36 @@ function testServiceWorker() {
assert.deepStrictEqual(swRules.files, expectedSwRulesFiles);
}
function testWorkers() {
testWorker(
'js/language/dictionary-importer-worker-main.js',
{DictionaryImporterWorker: StubClass}
);
}
function testWorker(scriptPath, fields) {
// Get script paths
const scripts = getImportedScripts(scriptPath, fields);
// Verify that eslint config lists files correctly
const expectedRulesFiles = filterScriptPaths(scripts);
const expectedRulesFilesSet = new Set(expectedRulesFiles);
const eslintConfig = loadEslint();
const rules = eslintConfig.overrides.find((item) => (
typeof item.env === 'object' &&
item.env !== null &&
item.env.worker === true
));
assert.ok(typeof rules !== 'undefined');
assert.ok(Array.isArray(rules.files));
assert.deepStrictEqual(rules.files.filter((v) => expectedRulesFilesSet.has(v)), expectedRulesFiles);
}
function main() {
try {
testServiceWorker();
testWorkers();
} catch (e) {
console.error(e);
process.exit(-1);