Spaces:
Runtime error
Runtime error
File size: 3,514 Bytes
311cc15 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 |
'use strict'
const { kConstruct } = require('./symbols')
const { Cache } = require('./cache')
const { webidl } = require('../fetch/webidl')
const { kEnumerableProperty } = require('../core/util')
class CacheStorage {
/**
* @see https://w3c.github.io/ServiceWorker/#dfn-relevant-name-to-cache-map
* @type {Map<string, import('./cache').requestResponseList}
*/
#caches = new Map()
constructor () {
if (arguments[0] !== kConstruct) {
webidl.illegalConstructor()
}
}
async match (request, options = {}) {
webidl.brandCheck(this, CacheStorage)
webidl.argumentLengthCheck(arguments, 1, { header: 'CacheStorage.match' })
request = webidl.converters.RequestInfo(request)
options = webidl.converters.MultiCacheQueryOptions(options)
// 1.
if (options.cacheName != null) {
// 1.1.1.1
if (this.#caches.has(options.cacheName)) {
// 1.1.1.1.1
const cacheList = this.#caches.get(options.cacheName)
const cache = new Cache(kConstruct, cacheList)
return await cache.match(request, options)
}
} else { // 2.
// 2.2
for (const cacheList of this.#caches.values()) {
const cache = new Cache(kConstruct, cacheList)
// 2.2.1.2
const response = await cache.match(request, options)
if (response !== undefined) {
return response
}
}
}
}
/**
* @see https://w3c.github.io/ServiceWorker/#cache-storage-has
* @param {string} cacheName
* @returns {Promise<boolean>}
*/
async has (cacheName) {
webidl.brandCheck(this, CacheStorage)
webidl.argumentLengthCheck(arguments, 1, { header: 'CacheStorage.has' })
cacheName = webidl.converters.DOMString(cacheName)
// 2.1.1
// 2.2
return this.#caches.has(cacheName)
}
/**
* @see https://w3c.github.io/ServiceWorker/#dom-cachestorage-open
* @param {string} cacheName
* @returns {Promise<Cache>}
*/
async open (cacheName) {
webidl.brandCheck(this, CacheStorage)
webidl.argumentLengthCheck(arguments, 1, { header: 'CacheStorage.open' })
cacheName = webidl.converters.DOMString(cacheName)
// 2.1
if (this.#caches.has(cacheName)) {
// await caches.open('v1') !== await caches.open('v1')
// 2.1.1
const cache = this.#caches.get(cacheName)
// 2.1.1.1
return new Cache(kConstruct, cache)
}
// 2.2
const cache = []
// 2.3
this.#caches.set(cacheName, cache)
// 2.4
return new Cache(kConstruct, cache)
}
/**
* @see https://w3c.github.io/ServiceWorker/#cache-storage-delete
* @param {string} cacheName
* @returns {Promise<boolean>}
*/
async delete (cacheName) {
webidl.brandCheck(this, CacheStorage)
webidl.argumentLengthCheck(arguments, 1, { header: 'CacheStorage.delete' })
cacheName = webidl.converters.DOMString(cacheName)
return this.#caches.delete(cacheName)
}
/**
* @see https://w3c.github.io/ServiceWorker/#cache-storage-keys
* @returns {string[]}
*/
async keys () {
webidl.brandCheck(this, CacheStorage)
// 2.1
const keys = this.#caches.keys()
// 2.2
return [...keys]
}
}
Object.defineProperties(CacheStorage.prototype, {
[Symbol.toStringTag]: {
value: 'CacheStorage',
configurable: true
},
match: kEnumerableProperty,
has: kEnumerableProperty,
open: kEnumerableProperty,
delete: kEnumerableProperty,
keys: kEnumerableProperty
})
module.exports = {
CacheStorage
}
|