1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556 |
- 'use strict';
- var $defineProperty = require('es-define-property');
- var $SyntaxError = require('es-errors/syntax');
- var $TypeError = require('es-errors/type');
- var gopd = require('gopd');
- /** @type {import('.')} */
- module.exports = function defineDataProperty(
- obj,
- property,
- value
- ) {
- if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
- throw new $TypeError('`obj` must be an object or a function`');
- }
- if (typeof property !== 'string' && typeof property !== 'symbol') {
- throw new $TypeError('`property` must be a string or a symbol`');
- }
- if (arguments.length > 3 && typeof arguments[3] !== 'boolean' && arguments[3] !== null) {
- throw new $TypeError('`nonEnumerable`, if provided, must be a boolean or null');
- }
- if (arguments.length > 4 && typeof arguments[4] !== 'boolean' && arguments[4] !== null) {
- throw new $TypeError('`nonWritable`, if provided, must be a boolean or null');
- }
- if (arguments.length > 5 && typeof arguments[5] !== 'boolean' && arguments[5] !== null) {
- throw new $TypeError('`nonConfigurable`, if provided, must be a boolean or null');
- }
- if (arguments.length > 6 && typeof arguments[6] !== 'boolean') {
- throw new $TypeError('`loose`, if provided, must be a boolean');
- }
- var nonEnumerable = arguments.length > 3 ? arguments[3] : null;
- var nonWritable = arguments.length > 4 ? arguments[4] : null;
- var nonConfigurable = arguments.length > 5 ? arguments[5] : null;
- var loose = arguments.length > 6 ? arguments[6] : false;
- /* @type {false | TypedPropertyDescriptor<unknown>} */
- var desc = !!gopd && gopd(obj, property);
- if ($defineProperty) {
- $defineProperty(obj, property, {
- configurable: nonConfigurable === null && desc ? desc.configurable : !nonConfigurable,
- enumerable: nonEnumerable === null && desc ? desc.enumerable : !nonEnumerable,
- value: value,
- writable: nonWritable === null && desc ? desc.writable : !nonWritable
- });
- } else if (loose || (!nonEnumerable && !nonWritable && !nonConfigurable)) {
- // must fall back to [[Set]], and was not explicitly asked to make non-enumerable, non-writable, or non-configurable
- obj[property] = value; // eslint-disable-line no-param-reassign
- } else {
- throw new $SyntaxError('This environment does not support defining a property as non-configurable, non-writable, or non-enumerable.');
- }
- };
|