Function setEnvPath

packages/cli-exec/src/envpath.ts:58–79

(
  env: NodeJS.ProcessEnv = process.env,
  pathValue: string
)

 * Writes PATH to an environment object with normalized Windows casing.
 */
export function setEnvPath(
  env: NodeJS.ProcessEnv = process.env,
  pathValue: string
): NodeJS.ProcessEnv {
  if (process.platform !== 'win32') {
    return {
      ...env,
      PATH: pathValue,
    };
  }

  const normalizedEnv = { ...env };

  for (const key of Object.keys(normalizedEnv)) {
    if (key !== 'PATH' && key.toLowerCase() === 'path') {
      delete normalizedEnv[key];
    }
  }

  normalizedEnv.PATH = pathValue;
  return normalizedEnv;
}