LBRYFoundation/Watch-on-LBRY
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🥡 Refactor

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Shiba 2022-01-09 18:59:41 +00:00
parent 719ff06caf
commit 7727d04157
1 changed files with 41 additions and 49 deletions
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44
src/common/yt.ts
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@ -91,24 +91,18 @@ export const ytService = (() => {
return rows.slice(1).map((row) => row.substring(0, row.indexOf(','))) return rows.slice(1).map((row) => row.substring(0, row.indexOf(',')))
} }
const URLResolverCache = (() => const URLResolverCache = (() =>
{ {
const openRequest = indexedDB.open("yt-url-resolver-cache") const openRequest = self.indexedDB?.open("yt-url-resolver-cache")
if (typeof self.indexedDB !== 'undefined') if (openRequest)
{ {
openRequest.addEventListener('upgradeneeded', () => openRequest.addEventListener('upgradeneeded', () => openRequest.result.createObjectStore("store").createIndex("expireAt", "expireAt"))
{
const db = openRequest.result
const store = db.createObjectStore("store")
store.createIndex("expireAt", "expireAt")
})
// Delete Expired // Delete Expired
openRequest.addEventListener('success', () => openRequest.addEventListener('success', () =>
{ {
const db = openRequest.result const transaction = openRequest.result.transaction("store", "readwrite")
const transaction = db.transaction("store", "readwrite")
const range = IDBKeyRange.upperBound(new Date()) const range = IDBKeyRange.upperBound(new Date())
const expireAtCursorRequest = transaction.objectStore("store").index("expireAt").openCursor(range) const expireAtCursorRequest = transaction.objectStore("store").index("expireAt").openCursor(range)
@ -123,33 +117,31 @@ const URLResolverCache = (() =>
} }
else console.warn(`IndexedDB not supported`) else console.warn(`IndexedDB not supported`)
async function put(url: string | null, id: string) : Promise<void> async function put(url: string | null, id: string): Promise<void>
{ {
return await new Promise((resolve, reject) => return await new Promise((resolve, reject) =>
{ {
const db = openRequest.result const store = openRequest.result.transaction("store", "readwrite").objectStore("store")
if (!db) return resolve() if (!store) return resolve()
const store = db.transaction("store", "readwrite").objectStore("store") const request = store.put({ value: url, expireAt: new Date(Date.now() + 24 * 60 * 60 * 1000) }, id)
const putRequest = store.put({ value: url, expireAt: new Date(Date.now() + 24 * 60 * 60 * 1000) }, id) request.addEventListener('success', () => resolve())
putRequest.addEventListener('success', () => resolve()) request.addEventListener('error', () => reject(request.error))
putRequest.addEventListener('error', () => reject(putRequest.error))
}) })
} }
async function get(id: string): Promise<string | null> async function get(id: string): Promise<string | null>
{ {
return (await new Promise((resolve, reject) => return (await new Promise((resolve, reject) =>
{ {
const db = openRequest.result const store = openRequest.result.transaction("store", "readonly").objectStore("store")
if (!db) return resolve(null) if (!store) return resolve(null)
const store = db.transaction("store", "readonly").objectStore("store") const request = store.get(id)
const getRequest = store.get(id) request.addEventListener('success', () => resolve(request.result))
getRequest.addEventListener('success', () => resolve(getRequest.result)) request.addEventListener('error', () => reject(request.error))
getRequest.addEventListener('error', () => reject(getRequest.error))
}) as any)?.value }) as any)?.value
} }
return { put, get } return { put, get }
})() })()
/** /**