Add node_modules

node_modules/zx/build/deps.js

@@ -0,0 +1,119 @@
+// Copyright 2021 Google LLC
+//
+// 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
+//
+//     https://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 { $ } from './core.js';
+import { spinner } from './experimental.js';
+export async function installDeps(dependencies, prefix) {
+    const packages = Object.entries(dependencies).map(([name, version]) => `${name}@${version}`);
+    const flags = prefix ? `--prefix=${prefix}` : '';
+    if (packages.length === 0) {
+        return;
+    }
+    await spinner(`npm i ${packages.join(' ')}`, () => $ `npm install --no-save --no-audit --no-fund ${flags} ${packages}`.nothrow());
+}
+const builtins = new Set([
+    '_http_agent',
+    '_http_client',
+    '_http_common',
+    '_http_incoming',
+    '_http_outgoing',
+    '_http_server',
+    '_stream_duplex',
+    '_stream_passthrough',
+    '_stream_readable',
+    '_stream_transform',
+    '_stream_wrap',
+    '_stream_writable',
+    '_tls_common',
+    '_tls_wrap',
+    'assert',
+    'async_hooks',
+    'buffer',
+    'child_process',
+    'cluster',
+    'console',
+    'constants',
+    'crypto',
+    'dgram',
+    'dns',
+    'domain',
+    'events',
+    'fs',
+    'http',
+    'http2',
+    'https',
+    'inspector',
+    'module',
+    'net',
+    'os',
+    'path',
+    'perf_hooks',
+    'process',
+    'punycode',
+    'querystring',
+    'readline',
+    'repl',
+    'stream',
+    'string_decoder',
+    'sys',
+    'timers',
+    'tls',
+    'trace_events',
+    'tty',
+    'url',
+    'util',
+    'v8',
+    'vm',
+    'wasi',
+    'worker_threads',
+    'zlib',
+]);
+const importRe = [
+    /\bimport\s+['"](?<path>[^'"]+)['"]/,
+    /\bimport\(['"](?<path>[^'"]+)['"]\)/,
+    /\brequire\(['"](?<path>[^'"]+)['"]\)/,
+    /\bfrom\s+['"](?<path>[^'"]+)['"]/,
+];
+const nameRe = /^(?<name>(@[a-z0-9-]+\/)?[a-z0-9-]+)\/?.*$/i;
+const versionRe = /(\/\/|\/\*)\s*@(?<version>[~^]?([\dvx*]+([-.][\dx*]+)*))/i;
+export function parseDeps(content) {
+    const deps = {};
+    const lines = content.toString().split('\n');
+    for (let line of lines) {
+        const tuple = parseImports(line);
+        if (tuple) {
+            deps[tuple.name] = tuple.version;
+        }
+    }
+    return deps;
+}
+function parseImports(line) {
+    for (let re of importRe) {
+        const name = parsePackageName(re.exec(line)?.groups?.path);
+        const version = parseVersion(line);
+        if (name) {
+            return { name, version };
+        }
+    }
+}
+function parsePackageName(path) {
+    if (!path)
+        return;
+    const name = nameRe.exec(path)?.groups?.name;
+    if (name && !builtins.has(name)) {
+        return name;
+    }
+}
+function parseVersion(line) {
+    return versionRe.exec(line)?.groups?.version || 'latest';
+}