梁美英 / programming · Files

export default commandConvert;

const envUseUnixRegex = /\$(\w+)/g; // $my_var
const envUseWinRegex = /\%(.*?)\%/g; // %my_var%
const isWin = process.platform === 'win32';
const envExtract = isWin ? envUseUnixRegex : envUseWinRegex;

/**
 * Converts an environment variable usage to be appropriate for the current OS
 * @param {String} command Command to convert
 * @returns {String} Converted command
 */
function commandConvert(command) {
  const match = envExtract.exec(command);
  if (match) {
    command = isWin ? `%${match[1]}%` : `$${match[1]}`;
  }
  return command;
}