Files
react-native/Libraries/Utilities/JSDevSupportModule.js
T
Michael Bolin cf44650b3f Upgrade Prettier from 1.17 to 2.0.2.
Summary:
This gets us on the latest Prettier 2.x:
https://prettier.io/blog/2020/03/21/2.0.0.html

Notably, this adds support for TypeScript 3.8,
which introduces new syntax, such as `import type`.

Reviewed By: zertosh

Differential Revision: D20636268

fbshipit-source-id: fca5833d003804333a05ba16325bbbe0e06d6c8a
2020-03-24 20:24:47 -07:00

41 lines
1.2 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @flow strict-local
*/
'use strict';
import NativeJSDevSupport from './NativeJSDevSupport';
const ReactNative = require('../Renderer/shims/ReactNative');
const JSDevSupportModule = {
getJSHierarchy: function (tag: number) {
if (NativeJSDevSupport) {
const constants = NativeJSDevSupport.getConstants();
try {
const {
computeComponentStackForErrorReporting,
} = ReactNative.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
const componentStack = computeComponentStackForErrorReporting(tag);
if (!componentStack) {
NativeJSDevSupport.onFailure(
constants.ERROR_CODE_VIEW_NOT_FOUND,
"Component stack doesn't exist for tag " + tag,
);
} else {
NativeJSDevSupport.onSuccess(componentStack);
}
} catch (e) {
NativeJSDevSupport.onFailure(constants.ERROR_CODE_EXCEPTION, e.message);
}
}
},
};
module.exports = JSDevSupportModule;