add hw2

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

@@ -0,0 +1,142 @@
+/**
+ * @license
+ * Copyright 2023 Google Inc.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+import { spawnSync, spawn } from 'child_process';
+import { createReadStream } from 'fs';
+import { mkdir, readdir } from 'fs/promises';
+import * as path from 'path';
+import { Stream } from 'stream';
+import extractZip from 'extract-zip';
+import tar from 'tar-fs';
+import bzip from 'unbzip2-stream';
+/**
+ * @internal
+ */
+export async function unpackArchive(archivePath, folderPath) {
+    if (archivePath.endsWith('.zip')) {
+        await extractZip(archivePath, { dir: folderPath });
+    }
+    else if (archivePath.endsWith('.tar.bz2')) {
+        await extractTar(archivePath, folderPath);
+    }
+    else if (archivePath.endsWith('.dmg')) {
+        await mkdir(folderPath);
+        await installDMG(archivePath, folderPath);
+    }
+    else if (archivePath.endsWith('.exe')) {
+        // Firefox on Windows.
+        const result = 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.extract(folderPath);
+        tarStream.on('error', reject);
+        tarStream.on('finish', fulfill);
+        const readStream = createReadStream(tarPath);
+        readStream.pipe(bzip()).pipe(tarStream);
+    });
+}
+/**
+ * @internal
+ */
+function createXzStream() {
+    const child = spawn('xz', ['-d']);
+    const stream = new 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.extract(folderPath);
+        tarStream.on('error', reject);
+        tarStream.on('finish', fulfill);
+        const readStream = createReadStream(tarPath);
+        readStream.pipe(createXzStream()).pipe(tarStream);
+    });
+}
+/**
+ * @internal
+ */
+async function installDMG(dmgPath, folderPath) {
+    const { stdout } = 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 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);
+        spawnSync('cp', ['-R', mountedPath, folderPath]);
+    }
+    finally {
+        spawnSync('hdiutil', ['detach', mountPath, '-quiet']);
+    }
+}
+//# sourceMappingURL=fileUtil.js.map