Hans Larsen 729d407fa1 fix(@angular/cli): save package on ng add
Before it was the job of the ng-add schematic to save the package. Now we do
it automatically. This is more expected (and works without ng-add schematics
if the user want to use "ng add moment" for example).
2018-05-01 16:50:13 -07:00

79 lines
2.2 KiB
TypeScript

import { ModuleNotFoundException, resolve } from '@angular-devkit/core/node';
import { spawn } from 'child_process';
import { logging, terminal } from '@angular-devkit/core';
const SilentError = require('silent-error');
export type NpmInstall = (packageName: string,
logger: logging.Logger,
packageManager: string,
projectRoot: string,
save?: boolean) => void;
export default async function (packageName: string,
logger: logging.Logger,
packageManager: string,
projectRoot: string,
save = true) {
if (packageManager === 'default') {
packageManager = 'npm';
}
logger.info(terminal.green(`Installing packages for tooling via ${packageManager}.`));
const installArgs: string[] = [];
switch (packageManager) {
case 'cnpm':
case 'npm':
installArgs.push('install', '--quiet');
break;
case 'yarn':
installArgs.push('add');
break;
default:
throw new SilentError(`Invalid package manager: ${JSON.stringify(packageManager)}.`);
}
if (packageName) {
try {
// Verify if we need to install the package (it might already be there).
// If it's available and we shouldn't save, simply return. Nothing to be done.
resolve(packageName, { checkLocal: true, basedir: projectRoot });
if (!save) {
return;
}
} catch (e) {
if (!(e instanceof ModuleNotFoundException)) {
throw e;
}
}
installArgs.push(packageName);
}
if (!save) {
installArgs.push('--no-save');
}
const installOptions = {
stdio: 'inherit',
shell: true
};
await new Promise((resolve, reject) => {
spawn(packageManager, installArgs, installOptions)
.on('close', (code: number) => {
if (code === 0) {
logger.info(terminal.green(`Installed packages for tooling via ${packageManager}.`));
resolve();
} else {
const message = 'Package install failed, see above.';
logger.info(terminal.red(message));
reject(message);
}
});
});
}