60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
|
/**
|
||
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* This source code is licensed under the BSD-style license found in the
|
||
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
||
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
||
|
|
*
|
||
|
|
* @providesModule checkFlowAtRuntime
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
'use strict';
|
||
|
|
|
||
|
|
function checkFlowAtRuntime() {
|
||
|
|
var url = getPackagerURL();
|
||
|
|
if (!url) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
fetch(url + 'flow/')
|
||
|
|
.then(response => response.json())
|
||
|
|
.then(response => {
|
||
|
|
if (response.silentError) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
throw {
|
||
|
|
message: response.message,
|
||
|
|
stack: response.errors.map(err => {
|
||
|
|
return {
|
||
|
|
...err,
|
||
|
|
methodName: err.description,
|
||
|
|
file: err.filename,
|
||
|
|
};
|
||
|
|
}),
|
||
|
|
};
|
||
|
|
},
|
||
|
|
() => {
|
||
|
|
//if fetch fails, silently give up
|
||
|
|
})
|
||
|
|
.done();
|
||
|
|
}
|
||
|
|
|
||
|
|
function getPackagerURL() {
|
||
|
|
var NativeModules = require('NativeModules');
|
||
|
|
var scriptURL = (NativeModules
|
||
|
|
&& NativeModules.SourceCode
|
||
|
|
&& NativeModules.SourceCode.scriptURL)
|
||
|
|
|| '';
|
||
|
|
|
||
|
|
// extract the url of the packager from the whole scriptURL
|
||
|
|
// we match until the first / after http(s)://
|
||
|
|
// i.e. http://www.mypackger.com/debug/my/bundle -> http://www.mypackger.com/
|
||
|
|
return getFirstOrNull(scriptURL.match(/^https?:\/\/[^/]+\//));
|
||
|
|
}
|
||
|
|
|
||
|
|
function getFirstOrNull(ar) {
|
||
|
|
return ar ? ar[0] : null;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = checkFlowAtRuntime;
|