function polyfillGlobal<T>(name: string, getValue: () => T): void {
defineLazyProperty(global, name, getValue);
}
// Set up process
global.process = global.process || {};
global.process.env = global.process.env || {};
if (!global.process.env.NODE_ENV) {
global.process.env.NODE_ENV = __DEV__ ? 'development' : 'production';
}
// Setup the Systrace profiling hooks if necessary
if (global.__RCTProfileIsProfiling) {
const Systrace = require('Systrace');
Systrace.installReactHook(true);
Systrace.setEnabled(true);
}
// Set up console
const ExceptionsManager = require('ExceptionsManager');
ExceptionsManager.installConsoleErrorReporter();
// Set up error handler
if (!global.__fbDisableExceptionsManager) {
const handleError = (e, isFatal) => {
try {
ExceptionsManager.handleException(e, isFatal);
} catch (ee) {
console.log('Failed to print error: ', ee.message);
throw e;
}
enumerable: enumerable !== false,
writable: writable !== false,
});
}
}
// Set up process
global.process = global.process || {};
global.process.env = global.process.env || {};
if (!global.process.env.NODE_ENV) {
global.process.env.NODE_ENV = __DEV__ ? 'development' : 'production';
}
// Set up profile
const Systrace = require('Systrace');
Systrace.setEnabled(global.__RCTProfileIsProfiling || false);
if (__DEV__) {
if (global.performance === undefined) {
global.performance = Systrace.getUserTimingPolyfill();
}
}
// Set up console
const ExceptionsManager = require('ExceptionsManager');
ExceptionsManager.installConsoleErrorReporter();
// TODO: Move these around to solve the cycle in a cleaner way
const BatchedBridge = require('BatchedBridge');
BatchedBridge.registerLazyCallableModule('Systrace', () => require('Systrace'));
BatchedBridge.registerLazyCallableModule('JSTimers', () => require('JSTimers'));
BatchedBridge.registerLazyCallableModule('HeapCapture', () => require('HeapCapture'));
function setUpProfile(): void {
const Systrace = require('Systrace');
Systrace.setEnabled(global.__RCTProfileIsProfiling || false);
}