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React Native: Force !ExecutionEnvironment.canUseDOM

This commit is contained in:
Tim Yung 2015-03-03 18:02:42 -08:00
parent 535bdfcf87
commit eb3c3a27b1
1 changed files with 41 additions and 39 deletions
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80
Libraries/JavaScriptAppEngine/Initialization/InitializeJavaScriptAppEngine.js
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@ -17,16 +17,8 @@
/* eslint global-strict: 0 */
/* globals GLOBAL: true, window: true */
var JSTimers = require('JSTimers');
// Just to make sure the JS gets packaged up
// Just to make sure the JS gets packaged up.
require('RCTDeviceEventEmitter');
var ErrorUtils = require('ErrorUtils');
var RKAlertManager = require('RKAlertManager');
var RKExceptionsManager = require('NativeModules').RKExceptionsManager;
var errorToString = require('errorToString');
var loadSourceMap = require('loadSourceMap');
if (typeof GLOBAL === 'undefined') {
GLOBAL = this;
@ -36,7 +28,43 @@ if (typeof window === 'undefined') {
window = GLOBAL;
}
/**
* The document must be shimmed before anything else that might define the
* `ExecutionEnvironment` module (which checks for `document.createElement`).
*/
function setupDocumentShim() {
// The browser defines Text and Image globals by default. If you forget to
// require them, then the error message is very confusing.
function getInvalidGlobalUseError(name) {
return new Error(
'You are trying to render the global ' + name + ' variable as a ' +
'React element. You probably forgot to require ' + name + '.'
);
}
GLOBAL.Text = {
get defaultProps() {
throw getInvalidGlobalUseError('Text');
}
};
GLOBAL.Image = {
get defaultProps() {
throw getInvalidGlobalUseError('Image');
}
};
if (!GLOBAL.document) {
// This shouldn't be needed but scroller library fails without it. If
// we fixed the scroller, we wouldn't need this.
GLOBAL.document = {body: {}};
}
// Force `ExecutionEnvironment.canUseDOM` to be false.
GLOBAL.document.createElement = null;
}
function handleErrorWithRedBox(e) {
var RKExceptionsManager = require('NativeModules').RKExceptionsManager;
var errorToString = require('errorToString');
var loadSourceMap = require('loadSourceMap');
GLOBAL.console.error(
'Error: ' +
'\n stack: \n' + e.stack +
@ -60,38 +88,10 @@ function handleErrorWithRedBox(e) {
}
function setupRedBoxErrorHandler() {
var ErrorUtils = require('ErrorUtils');
ErrorUtils.setGlobalHandler(handleErrorWithRedBox);
}
function setupDocumentShim() {
// The browser defines Text and Image globals by default. If you forget to
// require them, then the error message is very confusing.
function getInvalidGlobalUseError(name) {
return new Error(
'You are trying to render the global ' + name + ' variable as a ' +
'React element. You probably forgot to require ' + name + '.'
);
}
GLOBAL.Text = {
get defaultProps() {
throw getInvalidGlobalUseError('Text');
}
};
GLOBAL.Image = {
get defaultProps() {
throw getInvalidGlobalUseError('Image');
}
};
GLOBAL.document = {
// This shouldn't be needed but scroller library fails without it. If
// we fixed the scroller, we wouldn't need this.
body: {},
// Workaround for setImmediate
createElement: function() {return {};}
};
}
/**
* Sets up a set of window environment wrappers that ensure that the
* BatchedBridge is flushed after each tick. In both the case of the
@ -100,6 +100,7 @@ function setupDocumentShim() {
* unexplainably dropped timing signals.
*/
function setupTimers() {
var JSTimers = require('JSTimers');
GLOBAL.setTimeout = JSTimers.setTimeout;
GLOBAL.setInterval = JSTimers.setInterval;
GLOBAL.setImmediate = JSTimers.setImmediate;
@ -114,6 +115,7 @@ function setupTimers() {
}
function setupAlert() {
var RKAlertManager = require('RKAlertManager');
if (!GLOBAL.alert) {
GLOBAL.alert = function(text) {
var alertOpts = {
@ -144,8 +146,8 @@ function setupGeolocation() {
GLOBAL.navigator.geolocation = require('GeoLocation');
}
setupRedBoxErrorHandler();
setupDocumentShim();
setupRedBoxErrorHandler();
setupTimers();
setupAlert();
setupPromise();