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@clerk/shared

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Internal package utils used by the Clerk SDKs

github.com/clerkinc/javascript

clerkinc/javascript

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{"version":3,"sources":["../src/utils/noop.ts","../src/workerTimers/workerTimers.worker.ts","../src/workerTimers/createWorkerTimers.ts","../src/poller.ts"],"sourcesContent":["// eslint-disable-next-line @typescript-eslint/no-empty-function\nexport const noop = (..._args: any[]): void => {};\n","const respond=r=>{self.postMessage(r)},workerToTabIds={};self.addEventListener(\"message\",r=>{const e=r.data;switch(e.type){case\"setTimeout\":workerToTabIds[e.id]=setTimeout(()=>{respond({id:e.id})},e.ms);break;case\"clearTimeout\":workerToTabIds[e.id]&&(clearTimeout(workerToTabIds[e.id]),delete workerToTabIds[e.id]);break;case\"setInterval\":workerToTabIds[e.id]=setInterval(()=>{respond({id:e.id})},e.ms);break;case\"clearInterval\":workerToTabIds[e.id]&&(clearInterval(workerToTabIds[e.id]),delete workerToTabIds[e.id]);break}});\n","import { noop } from '../utils/noop';\nimport type {\n WorkerClearTimeout,\n WorkerSetTimeout,\n WorkerTimeoutCallback,\n WorkerTimerEvent,\n WorkerTimerId,\n WorkerTimerResponseEvent,\n} from './workerTimers.types';\n// @ts-ignore\nimport pollerWorkerSource from './workerTimers.worker';\n\nconst createWebWorker = (source: string, opts: ConstructorParameters<typeof Worker>[1] = {}): Worker | null => {\n if (typeof Worker === 'undefined') {\n return null;\n }\n\n try {\n const blob = new Blob([source], { type: 'application/javascript; charset=utf-8' });\n const workerScript = globalThis.URL.createObjectURL(blob);\n return new Worker(workerScript, opts);\n } catch (e) {\n console.warn('Clerk: Cannot create worker from blob. Consider adding worker-src blob:; to your CSP');\n return null;\n }\n};\n\nconst fallbackTimers = () => {\n const setTimeout = globalThis.setTimeout.bind(globalThis) as WorkerSetTimeout;\n const setInterval = globalThis.setInterval.bind(globalThis) as WorkerSetTimeout;\n const clearTimeout = globalThis.clearTimeout.bind(globalThis) as WorkerClearTimeout;\n const clearInterval = globalThis.clearInterval.bind(globalThis) as WorkerClearTimeout;\n return { setTimeout, setInterval, clearTimeout, clearInterval, cleanup: noop };\n};\n\nexport const createWorkerTimers = () => {\n let id = 0;\n const generateId = () => id++;\n const callbacks = new Map<WorkerTimerId, WorkerTimeoutCallback>();\n const post = (w: Worker | null, p: WorkerTimerEvent) => w?.postMessage(p);\n const handleMessage = (e: MessageEvent<WorkerTimerResponseEvent>) => {\n callbacks.get(e.data.id)?.();\n };\n\n let worker = createWebWorker(pollerWorkerSource, { name: 'clerk-timers' });\n worker?.addEventListener('message', handleMessage);\n\n if (!worker) {\n return fallbackTimers();\n }\n\n const init = () => {\n if (!worker) {\n worker = createWebWorker(pollerWorkerSource, { name: 'clerk-timers' });\n worker?.addEventListener('message', handleMessage);\n }\n };\n\n const cleanup = () => {\n if (worker) {\n worker.terminate();\n worker = null;\n callbacks.clear();\n }\n };\n\n const setTimeout: WorkerSetTimeout = (cb, ms) => {\n init();\n const id = generateId();\n callbacks.set(id, cb);\n post(worker, { type: 'setTimeout', id, ms });\n return id;\n };\n\n const setInterval: WorkerSetTimeout = (cb, ms) => {\n init();\n const id = generateId();\n callbacks.set(id, cb);\n post(worker, { type: 'setInterval', id, ms });\n return id;\n };\n\n const clearTimeout: WorkerClearTimeout = id => {\n init();\n callbacks.delete(id);\n post(worker, { type: 'clearTimeout', id });\n };\n\n const clearInterval: WorkerClearTimeout = id => {\n init();\n callbacks.delete(id);\n post(worker, { type: 'clearInterval', id });\n };\n\n return { setTimeout, setInterval, clearTimeout, clearInterval, cleanup };\n};\n","import { createWorkerTimers } from './workerTimers';\n\nexport type PollerStop = () => void;\nexport type PollerCallback = (stop: PollerStop) => Promise<unknown>;\nexport type PollerRun = (cb: PollerCallback) => Promise<void>;\n\ntype PollerOptions = {\n delayInMs: number;\n};\n\nexport type Poller = {\n run: PollerRun;\n stop: PollerStop;\n};\n\nexport function Poller({ delayInMs }: PollerOptions = { delayInMs: 1000 }): Poller {\n const workerTimers = createWorkerTimers();\n\n let timerId: number | undefined;\n let stopped = false;\n\n const stop: PollerStop = () => {\n if (timerId) {\n workerTimers.clearTimeout(timerId);\n workerTimers.cleanup();\n }\n stopped = true;\n };\n\n const run: PollerRun = async cb => {\n stopped = false;\n await cb(stop);\n if (stopped) {\n return;\n }\n\n timerId = workerTimers.setTimeout(() => {\n void run(cb);\n }, delayInMs) as any as number;\n };\n\n return { run, 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