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/**
* Copyright 2023 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import fs from 'fs';
import path from 'path';
import {Browser, BrowserPlatform} from './browser-data/browser-data.js';
/**
* @public
*/
export type InstalledBrowser = {
path: string;
browser: Browser;
buildId: string;
platform: BrowserPlatform;
};
/**
* The cache used by Puppeteer relies on the following structure:
*
* - rootDir
* -- <browser1> | browserRoot(browser1)
* ---- <platform>-<buildId> | installationDir()
* ------ the browser-platform-buildId
* ------ specific structure.
* -- <browser2> | browserRoot(browser2)
* ---- <platform>-<buildId> | installationDir()
* ------ the browser-platform-buildId
* ------ specific structure.
* @internal
*/
export class Cache {
#rootDir: string;
constructor(rootDir: string) {
this.#rootDir = rootDir;
}
browserRoot(browser: Browser): string {
return path.join(this.#rootDir, browser);
}
installationDir(
browser: Browser,
platform: BrowserPlatform,
buildId: string
): string {
return path.join(this.browserRoot(browser), `${platform}-${buildId}`);
}
clear(): void {
fs.rmSync(this.#rootDir, {
force: true,
recursive: true,
maxRetries: 10,
retryDelay: 500,
});
}
getInstalledBrowsers(): InstalledBrowser[] {
if (!fs.existsSync(this.#rootDir)) {
return [];
}
const types = fs.readdirSync(this.#rootDir);
const browsers = types.filter((t): t is Browser => {
return (Object.values(Browser) as string[]).includes(t);
});
return browsers.flatMap(browser => {
const files = fs.readdirSync(this.browserRoot(browser));
return files
.map(file => {
const result = parseFolderPath(
path.join(this.browserRoot(browser), file)
);
if (!result) {
return null;
}
return {
path: path.join(this.browserRoot(browser), file),
browser,
platform: result.platform,
buildId: result.buildId,
};
})
.filter((item): item is InstalledBrowser => {
return item !== null;
});
});
}
}
function parseFolderPath(
folderPath: string
): {platform: string; buildId: string} | undefined {
const name = path.basename(folderPath);
const splits = name.split('-');
if (splits.length !== 2) {
return;
}
const [platform, buildId] = splits;
if (!buildId || !platform) {
return;
}
return {platform, buildId};
}
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