@nestjs/cli
Version:
Nest - modern, fast, powerful node.js web framework (@cli)
42 lines (41 loc) • 1.76 kB
JavaScript
;
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 async find() {
const DEFAULT_PACKAGE_MANAGER = package_manager_1.PackageManager.NPM;
try {
const files = await 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;