123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869 |
- 'use strict';
- /** @typedef {`$${import('.').InternalSlot}`} SaltedInternalSlot */
- /** @typedef {{ [k in SaltedInternalSlot]?: unknown }} SlotsObject */
- var hasOwn = require('hasown');
- /** @type {import('side-channel').Channel<object, SlotsObject>} */
- var channel = require('side-channel')();
- var $TypeError = require('es-errors/type');
- /** @type {import('.')} */
- var SLOT = {
- assert: function (O, slot) {
- if (!O || (typeof O !== 'object' && typeof O !== 'function')) {
- throw new $TypeError('`O` is not an object');
- }
- if (typeof slot !== 'string') {
- throw new $TypeError('`slot` must be a string');
- }
- channel.assert(O);
- if (!SLOT.has(O, slot)) {
- throw new $TypeError('`' + slot + '` is not present on `O`');
- }
- },
- get: function (O, slot) {
- if (!O || (typeof O !== 'object' && typeof O !== 'function')) {
- throw new $TypeError('`O` is not an object');
- }
- if (typeof slot !== 'string') {
- throw new $TypeError('`slot` must be a string');
- }
- var slots = channel.get(O);
- // eslint-disable-next-line no-extra-parens
- return slots && slots[/** @type {SaltedInternalSlot} */ ('$' + slot)];
- },
- has: function (O, slot) {
- if (!O || (typeof O !== 'object' && typeof O !== 'function')) {
- throw new $TypeError('`O` is not an object');
- }
- if (typeof slot !== 'string') {
- throw new $TypeError('`slot` must be a string');
- }
- var slots = channel.get(O);
- // eslint-disable-next-line no-extra-parens
- return !!slots && hasOwn(slots, /** @type {SaltedInternalSlot} */ ('$' + slot));
- },
- set: function (O, slot, V) {
- if (!O || (typeof O !== 'object' && typeof O !== 'function')) {
- throw new $TypeError('`O` is not an object');
- }
- if (typeof slot !== 'string') {
- throw new $TypeError('`slot` must be a string');
- }
- var slots = channel.get(O);
- if (!slots) {
- slots = {};
- channel.set(O, slots);
- }
- // eslint-disable-next-line no-extra-parens
- slots[/** @type {SaltedInternalSlot} */ ('$' + slot)] = V;
- }
- };
- if (Object.freeze) {
- Object.freeze(SLOT);
- }
- module.exports = SLOT;
|