Function pendingDeprecate

lib/internal/util.js:157–172

(fn, msg, code)

// at snapshot building time as the warning permission is only queried at
// run time.
function pendingDeprecate(fn, msg, code) {
  const emitDeprecationWarning = getDeprecationWarningEmitter(
    code, msg, deprecated, false, isPendingDeprecation,
  );
  function deprecated(...args) {
    emitDeprecationWarning();
    return ReflectApply(fn, this, args);
  }

  ObjectDefineProperty(deprecated, 'length', {
    __proto__: null,
    ...ObjectGetOwnPropertyDescriptor(fn, 'length'),
  });

  return deprecated;
}

// Mark that a method should not be used.
// Returns a modified function which warns once by default.