154 lines
3.6 KiB
JavaScript
154 lines
3.6 KiB
JavaScript
'use strict';
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const { Cache } = require('./cache');
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const { webidl } = require('../fetch/webidl');
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const { kEnumerableProperty } = require('../../core/util');
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const { kConstruct } = require('../../core/symbols');
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class CacheStorage {
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/**
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* @see https://w3c.github.io/ServiceWorker/#dfn-relevant-name-to-cache-map
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* @type {Map<string, import('./cache').requestResponseList}
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*/
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#caches = new Map();
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constructor() {
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if (arguments[0] !== kConstruct) {
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webidl.illegalConstructor();
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}
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webidl.util.markAsUncloneable(this);
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}
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async match(request, options = {}) {
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webidl.brandCheck(this, CacheStorage);
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webidl.argumentLengthCheck(arguments, 1, 'CacheStorage.match');
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request = webidl.converters.RequestInfo(request);
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options = webidl.converters.MultiCacheQueryOptions(options);
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// 1.
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if (options.cacheName != null) {
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// 1.1.1.1
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if (this.#caches.has(options.cacheName)) {
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// 1.1.1.1.1
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const cacheList = this.#caches.get(options.cacheName);
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const cache = new Cache(kConstruct, cacheList);
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return await cache.match(request, options);
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}
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} else {
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// 2.
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// 2.2
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for (const cacheList of this.#caches.values()) {
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const cache = new Cache(kConstruct, cacheList);
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// 2.2.1.2
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const response = await cache.match(request, options);
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if (response !== undefined) {
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return response;
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}
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}
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}
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}
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/**
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* @see https://w3c.github.io/ServiceWorker/#cache-storage-has
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* @param {string} cacheName
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* @returns {Promise<boolean>}
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*/
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async has(cacheName) {
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webidl.brandCheck(this, CacheStorage);
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const prefix = 'CacheStorage.has';
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webidl.argumentLengthCheck(arguments, 1, prefix);
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cacheName = webidl.converters.DOMString(cacheName, prefix, 'cacheName');
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// 2.1.1
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// 2.2
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return this.#caches.has(cacheName);
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}
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/**
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* @see https://w3c.github.io/ServiceWorker/#dom-cachestorage-open
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* @param {string} cacheName
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* @returns {Promise<Cache>}
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*/
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async open(cacheName) {
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webidl.brandCheck(this, CacheStorage);
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const prefix = 'CacheStorage.open';
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webidl.argumentLengthCheck(arguments, 1, prefix);
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cacheName = webidl.converters.DOMString(cacheName, prefix, 'cacheName');
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// 2.1
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if (this.#caches.has(cacheName)) {
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// await caches.open('v1') !== await caches.open('v1')
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// 2.1.1
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const cache = this.#caches.get(cacheName);
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// 2.1.1.1
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return new Cache(kConstruct, cache);
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}
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// 2.2
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const cache = [];
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// 2.3
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this.#caches.set(cacheName, cache);
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// 2.4
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return new Cache(kConstruct, cache);
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}
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/**
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* @see https://w3c.github.io/ServiceWorker/#cache-storage-delete
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* @param {string} cacheName
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* @returns {Promise<boolean>}
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*/
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async delete(cacheName) {
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webidl.brandCheck(this, CacheStorage);
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const prefix = 'CacheStorage.delete';
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webidl.argumentLengthCheck(arguments, 1, prefix);
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cacheName = webidl.converters.DOMString(cacheName, prefix, 'cacheName');
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return this.#caches.delete(cacheName);
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}
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/**
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* @see https://w3c.github.io/ServiceWorker/#cache-storage-keys
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* @returns {Promise<string[]>}
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*/
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async keys() {
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webidl.brandCheck(this, CacheStorage);
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// 2.1
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const keys = this.#caches.keys();
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// 2.2
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return [...keys];
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}
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}
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Object.defineProperties(CacheStorage.prototype, {
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[Symbol.toStringTag]: {
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value: 'CacheStorage',
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configurable: true,
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},
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match: kEnumerableProperty,
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has: kEnumerableProperty,
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open: kEnumerableProperty,
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delete: kEnumerableProperty,
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keys: kEnumerableProperty,
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});
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module.exports = {
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CacheStorage,
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};
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