Method setOptions

packages/cli/lib/base-generator.js:162–212

()

  }

  async setOptions() {
    let opts = {};
    const jsonFileOrValue = this.options.config;
    debug(
      'Loading generator options from CLI args and/or stdin.',
      ...(this.option.config === undefined
        ? ['(No config was provided.)']
        : ['Config:', this.options.config]),
    );
    try {
      if (
        jsonFileOrValue === 'stdin' ||
        (!jsonFileOrValue && !process.stdin.isTTY)
      ) {
        debug('  enabling --yes and reading config from stdin');
        this.options['yes'] = true;
        opts = await this._readJSONFromStdin();
      } else if (typeof jsonFileOrValue === 'string') {
        const jsonFile = path.resolve(process.cwd(), jsonFileOrValue);
        if (fs.existsSync(jsonFile)) {
          debug('  reading config from file', jsonFile);
          opts = this.fs.readJSON(jsonFile);
        } else {
          debug('  parsing config from string', jsonFileOrValue);
          // Try parse the config as stringified json
          opts = JSON.parse(jsonFileOrValue);
        }
      }
    } catch (e) {
      this.exit(e);
      return;
    }
    if (typeof opts !== 'object') {
      this.exit('Invalid config file or value: ' + jsonFileOrValue);
      return;
    }
    for (const o in opts) {
      if (!this.options[o]) {
        this.options[o] = opts[o];
      }
    }

    const packageManager =
      this.options.packageManager || this.config.get('packageManager') || 'npm';
    if (!supportedPackageManagers.includes(packageManager)) {
      const supported = supportedPackageManagers.join(' or ');
      this.exit(
        `Package manager '${packageManager}' is not supported. Use ${supported}.`,
      );
    }
  }

  /**
   * Check if a question can be skipped in `express` mode