react-native/Libraries/Utilities/JSDevSupportModule.js
Sophie Alpert 1490ab12ef Update license headers for MIT license
Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.

find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.

Reviewed By: TheSavior, yungsters

Differential Revision: D7007050

fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
2018-02-16 18:31:53 -08:00

27 lines
814 B
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @providesModule JSDevSupportModule
* @flow
*/
'use strict';
var JSDevSupportModule = {
getJSHierarchy: function (tag: string) {
const hook = window.__REACT_DEVTOOLS_GLOBAL_HOOK__;
const renderers = hook._renderers;
const keys = Object.keys(renderers);
const renderer = renderers[keys[0]];
var result = renderer.getInspectorDataForViewTag(tag);
var path = result.hierarchy.map( (item) => item.name).join(' -> ');
console.error('StackOverflowException rendering JSComponent: ' + path);
require('NativeModules').JSDevSupport.setResult(path, null);
},
};
module.exports = JSDevSupportModule;