Function getEnvPath

packages/cli-exec/src/envpath.ts:38–53

(env: NodeJS.ProcessEnv = process.env)

 * Reads PATH from an environment object with Windows casing compatibility.
 */
export function getEnvPath(env: NodeJS.ProcessEnv = process.env): string {
  if (process.platform !== 'win32') {
    return env.PATH ?? '';
  }

  const pathKeys = Object.keys(env).filter(key => key.toLowerCase() === 'path');

  for (let index = pathKeys.length - 1; index >= 0; index--) {
    const value = env[pathKeys[index]];
    if (value !== undefined) {
      return value;
    }
  }

  return '';
}

/**
 * Writes PATH to an environment object with normalized Windows casing.