vamtiger-postinstall/source/postinstall-dist-tag.ts

import { resolve as resolvePath } from 'path';
import getPackageData from './get-package-data';
import getDependencies from './get-dependencies';
import getDevDependencies from './get-dev-dependecies';
import install from './install';
import { IPostInstallDistTag, PackagePath } from './types';

const { distTag: distTagPath } = PackagePath;

export default async function ({ distTag, workingDirectory }: IPostInstallDistTag) {
    const packagePath = resolvePath(
        workingDirectory,
        'package'
    );
    const packageDistTagPath = `${packagePath}.${distTagPath}`;
    const packageDistTag = await getPackageData({
        path: packageDistTagPath
    }).catch(() => '') as string;
    const dependencies = distTag === packageDistTag && getDependencies({
        path: packagePath
    }) || '';
    const devDependencies = dependencies && getDevDependencies({
        path: packagePath
    }) || '';

    dependencies && await await install({
        workingDirectory,
        dependencies: [
            dependencies,
            devDependencies
        ].join(' ')
    });
}