add hw2

node_modules/@puppeteer/browsers/lib/cjs/fileUtil.js

@@ -0,0 +1,181 @@
+"use strict";
+/**
+ * @license
+ * Copyright 2023 Google Inc.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || (function () {
+    var ownKeys = function(o) {
+        ownKeys = Object.getOwnPropertyNames || function (o) {
+            var ar = [];
+            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
+            return ar;
+        };
+        return ownKeys(o);
+    };
+    return function (mod) {
+        if (mod && mod.__esModule) return mod;
+        var result = {};
+        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
+        __setModuleDefault(result, mod);
+        return result;
+    };
+})();
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.unpackArchive = unpackArchive;
+const child_process_1 = require("child_process");
+const fs_1 = require("fs");
+const promises_1 = require("fs/promises");
+const path = __importStar(require("path"));
+const stream_1 = require("stream");
+const extract_zip_1 = __importDefault(require("extract-zip"));
+const tar_fs_1 = __importDefault(require("tar-fs"));
+const unbzip2_stream_1 = __importDefault(require("unbzip2-stream"));
+/**
+ * @internal
+ */
+async function unpackArchive(archivePath, folderPath) {
+    if (archivePath.endsWith('.zip')) {
+        await (0, extract_zip_1.default)(archivePath, { dir: folderPath });
+    }
+    else if (archivePath.endsWith('.tar.bz2')) {
+        await extractTar(archivePath, folderPath);
+    }
+    else if (archivePath.endsWith('.dmg')) {
+        await (0, promises_1.mkdir)(folderPath);
+        await installDMG(archivePath, folderPath);
+    }
+    else if (archivePath.endsWith('.exe')) {
+        // Firefox on Windows.
+        const result = (0, child_process_1.spawnSync)(archivePath, [`/ExtractDir=${folderPath}`], {
+            env: {
+                __compat_layer: 'RunAsInvoker',
+            },
+        });
+        if (result.status !== 0) {
+            throw new Error(`Failed to extract ${archivePath} to ${folderPath}: ${result.output}`);
+        }
+    }
+    else if (archivePath.endsWith('.tar.xz')) {
+        await extractTarXz(archivePath, folderPath);
+    }
+    else {
+        throw new Error(`Unsupported archive format: ${archivePath}`);
+    }
+}
+/**
+ * @internal
+ */
+function extractTar(tarPath, folderPath) {
+    return new Promise((fulfill, reject) => {
+        const tarStream = tar_fs_1.default.extract(folderPath);
+        tarStream.on('error', reject);
+        tarStream.on('finish', fulfill);
+        const readStream = (0, fs_1.createReadStream)(tarPath);
+        readStream.pipe((0, unbzip2_stream_1.default)()).pipe(tarStream);
+    });
+}
+/**
+ * @internal
+ */
+function createXzStream() {
+    const child = (0, child_process_1.spawn)('xz', ['-d']);
+    const stream = new stream_1.Stream.Transform({
+        transform(chunk, encoding, callback) {
+            if (!child.stdin.write(chunk, encoding)) {
+                child.stdin.once('drain', callback);
+            }
+            else {
+                callback();
+            }
+        },
+        flush(callback) {
+            if (child.stdout.destroyed) {
+                callback();
+            }
+            else {
+                child.stdin.end();
+                child.stdout.on('close', callback);
+            }
+        },
+    });
+    child.stdin.on('error', e => {
+        if ('code' in e && e.code === 'EPIPE') {
+            // finished before reading the file finished (i.e. head)
+            stream.emit('end');
+        }
+        else {
+            stream.destroy(e);
+        }
+    });
+    child.stdout
+        .on('data', data => {
+        return stream.push(data);
+    })
+        .on('error', e => {
+        return stream.destroy(e);
+    });
+    return stream;
+}
+/**
+ * @internal
+ */
+function extractTarXz(tarPath, folderPath) {
+    return new Promise((fulfill, reject) => {
+        const tarStream = tar_fs_1.default.extract(folderPath);
+        tarStream.on('error', reject);
+        tarStream.on('finish', fulfill);
+        const readStream = (0, fs_1.createReadStream)(tarPath);
+        readStream.pipe(createXzStream()).pipe(tarStream);
+    });
+}
+/**
+ * @internal
+ */
+async function installDMG(dmgPath, folderPath) {
+    const { stdout } = (0, child_process_1.spawnSync)(`hdiutil`, [
+        'attach',
+        '-nobrowse',
+        '-noautoopen',
+        dmgPath,
+    ]);
+    const volumes = stdout.toString('utf8').match(/\/Volumes\/(.*)/m);
+    if (!volumes) {
+        throw new Error(`Could not find volume path in ${stdout}`);
+    }
+    const mountPath = volumes[0];
+    try {
+        const fileNames = await (0, promises_1.readdir)(mountPath);
+        const appName = fileNames.find(item => {
+            return typeof item === 'string' && item.endsWith('.app');
+        });
+        if (!appName) {
+            throw new Error(`Cannot find app in ${mountPath}`);
+        }
+        const mountedPath = path.join(mountPath, appName);
+        (0, child_process_1.spawnSync)('cp', ['-R', mountedPath, folderPath]);
+    }
+    finally {
+        (0, child_process_1.spawnSync)('hdiutil', ['detach', mountPath, '-quiet']);
+    }
+}
+//# sourceMappingURL=fileUtil.js.map