@nestjs/cli/lib/package-managers/package-manager.factory.js

Nest - modern, fast, powerful node.js web framework (@cli)

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PackageManagerFactory = void 0;
const fs = require("fs");
const npm_package_manager_1 = require("./npm.package-manager");
const package_manager_1 = require("./package-manager");
const yarn_package_manager_1 = require("./yarn.package-manager");
const pnpm_package_manager_1 = require("./pnpm.package-manager");
class PackageManagerFactory {
    static create(name) {
        switch (name) {
            case package_manager_1.PackageManager.NPM:
                return new npm_package_manager_1.NpmPackageManager();
            case package_manager_1.PackageManager.YARN:
                return new yarn_package_manager_1.YarnPackageManager();
            case package_manager_1.PackageManager.PNPM:
                return new pnpm_package_manager_1.PnpmPackageManager();
            default:
                throw new Error(`Package manager ${name} is not managed.`);
        }
    }
    static find() {
        return __awaiter(this, void 0, void 0, function* () {
            const DEFAULT_PACKAGE_MANAGER = package_manager_1.PackageManager.NPM;
            try {
                const files = yield fs.promises.readdir(process.cwd());
                const hasYarnLockFile = files.includes('yarn.lock');
                if (hasYarnLockFile) {
                    return this.create(package_manager_1.PackageManager.YARN);
                }
                const hasPnpmLockFile = files.includes('pnpm-lock.yaml');
                if (hasPnpmLockFile) {
                    return this.create(package_manager_1.PackageManager.PNPM);
                }
                return this.create(DEFAULT_PACKAGE_MANAGER);
            }
            catch (error) {
                return this.create(DEFAULT_PACKAGE_MANAGER);
            }
        });
    }
}
exports.PackageManagerFactory = PackageManagerFactory;