File size: 3,203 Bytes
d5bfab8 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 |
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.registerPromiseWorker = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
'use strict'
function isPromise (obj) {
// via https://unpkg.com/is-promise@2.1.0/index.js
return !!obj && (typeof obj === 'object' || typeof obj === 'function') && typeof obj.then === 'function'
}
function registerPromiseWorker (callback) {
function postOutgoingMessage (e, messageId, error, result) {
function postMessage (msg) {
/* istanbul ignore if */
if (typeof self.postMessage !== 'function') { // service worker
e.ports[0].postMessage(msg)
} else { // web worker
self.postMessage(msg)
}
}
if (error) {
/* istanbul ignore else */
if (typeof console !== 'undefined' && 'error' in console) {
// This is to make errors easier to debug. I think it's important
// enough to just leave here without giving the user an option
// to silence it.
console.error('Worker caught an error:', error)
}
postMessage([messageId, {
message: error.message
}])
} else {
postMessage([messageId, null, result])
}
}
function tryCatchFunc (callback, message) {
try {
return { res: callback(message) }
} catch (e) {
return { err: e }
}
}
function handleIncomingMessage (e, callback, messageId, message) {
var result = tryCatchFunc(callback, message)
if (result.err) {
postOutgoingMessage(e, messageId, result.err)
} else if (!isPromise(result.res)) {
postOutgoingMessage(e, messageId, null, result.res)
} else {
result.res.then(function (finalResult) {
postOutgoingMessage(e, messageId, null, finalResult)
}, function (finalError) {
postOutgoingMessage(e, messageId, finalError)
})
}
}
function onIncomingMessage (e) {
var payload = e.data
if (!Array.isArray(payload) || payload.length !== 2) {
// message doens't match communication format; ignore
return
}
var messageId = payload[0]
var message = payload[1]
if (typeof callback !== 'function') {
postOutgoingMessage(e, messageId, new Error(
'Please pass a function into register().'))
} else {
handleIncomingMessage(e, callback, messageId, message)
}
}
self.addEventListener('message', onIncomingMessage)
}
module.exports = registerPromiseWorker
},{}]},{},[1])(1)
});
|