openreplay/frontend/app/player/web/network/loadFiles.ts

49 lines
1.4 KiB
TypeScript

import APIClient from 'App/api_client';
export const NO_FILE_OK = "No-file-but-this-is-ok"
const NO_BACKUP_FILE = "No-efs-file"
export const loadFiles = async (
urls: string[],
onData: (data: Uint8Array) => void,
): Promise<void> => {
if (!urls.length) {
return Promise.reject("No urls provided")
}
for (let url of urls) {
const stream = await window.fetch(url)
const data = await processAPIStreamResponse(stream, url === urls[0])
onData(data)
}
}
export async function requestEFSDom(sessionId: string) {
return await requestEFSMobFile(sessionId + "/dom.mob")
}
export async function requestEFSDevtools(sessionId: string) {
return await requestEFSMobFile(sessionId + "/devtools.mob")
}
async function requestEFSMobFile(filename: string) {
const api = new APIClient()
const res = await api.fetch('/unprocessed/' + filename)
if (res.status >= 400) {
throw NO_BACKUP_FILE
}
return await processAPIStreamResponse(res, false)
}
const processAPIStreamResponse = (response: Response, canBeMissed: boolean) => {
return new Promise<ArrayBuffer>((res, rej) => {
if (response.status === 404) {
if (canBeMissed) return rej(NO_FILE_OK)
// ignoring if 2nd mob file is missing
else return;
}
if (response.status >= 400) {
return rej(`Bad file status code ${response.status}. Url: ${response.url}`)
}
res(response.arrayBuffer())
}).then(buffer => new Uint8Array(buffer))
}