34 lines
839 B
JavaScript
34 lines
839 B
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
Object.defineProperty(exports, "__esModule", {
|
||
|
|
value: true
|
||
|
|
});
|
||
|
|
exports.detectBackend = detectBackend;
|
||
|
|
exports.getWorkerBackend = getWorkerBackend;
|
||
|
|
function detectBackend() {
|
||
|
|
// $FlowFixMe
|
||
|
|
if (process.browser) return 'web';
|
||
|
|
switch (process.env.PARCEL_WORKER_BACKEND) {
|
||
|
|
case 'threads':
|
||
|
|
case 'process':
|
||
|
|
return process.env.PARCEL_WORKER_BACKEND;
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
require('worker_threads');
|
||
|
|
return 'threads';
|
||
|
|
} catch (err) {
|
||
|
|
return 'process';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getWorkerBackend(backend) {
|
||
|
|
switch (backend) {
|
||
|
|
case 'threads':
|
||
|
|
return require('./threads/ThreadsWorker').default;
|
||
|
|
case 'process':
|
||
|
|
return require('./process/ProcessWorker').default;
|
||
|
|
case 'web':
|
||
|
|
return require('./web/WebWorker').default;
|
||
|
|
default:
|
||
|
|
throw new Error(`Invalid backend: ${backend}`);
|
||
|
|
}
|
||
|
|
}
|