25 lines
601 B
TypeScript
25 lines
601 B
TypeScript
const worker = new Worker("/worker.js")
|
|
|
|
const callbacks = {}
|
|
|
|
worker.onmessage = (event) => {
|
|
const { id, ...data } = event.data
|
|
const onSuccess = callbacks[id]
|
|
delete callbacks[id]
|
|
onSuccess(data)
|
|
}
|
|
|
|
const asyncRun = (() => {
|
|
let id = 0 // identify a Promise
|
|
return (python: string, input: string) => {
|
|
// the id could be generated more carefully
|
|
id = (id + 1) % Number.MAX_SAFE_INTEGER
|
|
return new Promise<{ result: string; error: string }>((onSuccess) => {
|
|
callbacks[id] = onSuccess
|
|
worker.postMessage({ python, input, id })
|
|
})
|
|
}
|
|
})()
|
|
|
|
export { asyncRun }
|