@roots/dependencies/lib/dependencies.js

Automated package installation

import { realpath } from 'node:fs/promises';
import { join } from 'node:path';
import { Npm } from './command/index.js';
import { Yarn } from './command/index.js';
export class Dependencies {
    path;
    onMessage;
    onError;
    constructor(path, onMessage, onError) {
        this.path = path;
        this.onMessage = onMessage;
        this.onError = onError;
    }
    async getClient() {
        return await this.isYarn().then(isYarn => {
            return isYarn
                ? new Yarn(this.path, this.onMessage, this.onError)
                : new Npm(this.path, this.onMessage, this.onError);
        });
    }
    /**
     * Get the latest version of a package from the npm registry
     *
     * @returns - Package version
     */
    async getLatestVersion(signifier) {
        return await this.getClient().then(async (client) => await client.getLatestVersion(signifier));
    }
    async isYarn() {
        try {
            return await realpath(join(this.path, `yarn.lock`)).then(result => typeof result === `string`);
        }
        catch (e) {
            return false;
        }
    }
}