web-threads/lib/web-threads.js

generic threads using web workers for the web

import worker from './worker'

let workerString = worker.toString()

const code = workerString.substring(workerString.indexOf("{") + 1, workerString.lastIndexOf("return"))

export function execute(param){
    return new Promise((resolve, reject) => {
        const webWorker = new Worker(URL.createObjectURL(new Blob([code], {type: 'text/javascript'})))
        webWorker.onmessage = (result) => {
            if(param.context)
                Object.assign(param.context, result.data[1])
            resolve(result.data[0])
        }
        webWorker.onerror = reject
        let copy = Object.assign({}, param, { fn: param.fn.toString() })
        webWorker.postMessage([copy])
    })
}