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483cbe2665
This should clean up the code a bit. Note: at first I added the no-useless-cast rule, but after getting frustrated with it (as it has many false positive), I decided to remove the rule but some useless casts were removed so I let those in the PR.
81 lines
2.3 KiB
TypeScript
81 lines
2.3 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import { logging, terminal } from '@angular-devkit/core';
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import { ModuleNotFoundException, resolve } from '@angular-devkit/core/node';
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import { spawn } from 'child_process';
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export type NpmInstall = (packageName: string,
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logger: logging.Logger,
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packageManager: string,
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projectRoot: string,
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save?: boolean) => Promise<void>;
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export default async function (packageName: string,
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logger: logging.Logger,
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packageManager: string,
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projectRoot: string,
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save = true) {
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const installArgs: string[] = [];
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switch (packageManager) {
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case 'cnpm':
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case 'npm':
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installArgs.push('install', '--quiet');
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break;
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case 'yarn':
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installArgs.push('add');
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break;
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default:
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packageManager = 'npm';
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installArgs.push('install', '--quiet');
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break;
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}
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logger.info(terminal.green(`Installing packages for tooling via ${packageManager}.`));
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if (packageName) {
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try {
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// Verify if we need to install the package (it might already be there).
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// If it's available and we shouldn't save, simply return. Nothing to be done.
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resolve(packageName, { checkLocal: true, basedir: projectRoot });
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return;
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} catch (e) {
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if (!(e instanceof ModuleNotFoundException)) {
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throw e;
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}
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}
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installArgs.push(packageName);
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}
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if (!save) {
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installArgs.push('--no-save');
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}
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const installOptions = {
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stdio: 'inherit',
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shell: true,
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};
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await new Promise((resolve, reject) => {
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spawn(packageManager, installArgs, installOptions)
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.on('close', (code: number) => {
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if (code === 0) {
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logger.info(terminal.green(`Installed packages for tooling via ${packageManager}.`));
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resolve();
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} else {
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const message = 'Package install failed, see above.';
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logger.info(terminal.red(message));
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reject(message);
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}
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});
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});
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}
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