Function waitForProcessExit

bin/checkout-pr.js:130–143

* Return a promise to be resolved by the child process exit event * @param {ChildProcess} child - Child process

(child)

 * @param {ChildProcess} child - Child process
 */
function waitForProcessExit(child) {
  return new Promise((resolve, reject) => {
    child.on('exit', (code, signal) => {
      if (code === 0 || code === 128) resolve(code);
      else {
        reject(
          new Error(
            `Process ${child.pid} exits with code ${code} signal ${signal}`,
          ),
        );
      }
    });
  });
}

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