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Enable HMR

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Reviewed By: svcscm

Differential Revision: D2932137

fb-gh-sync-id: 8bfab09aaac22ae498ac4fa896eee495111abc0d
shipit-source-id: 8bfab09aaac22ae498ac4fa896eee495111abc0d
This commit is contained in:
Adam Miskiewicz
2016-02-12 08:09:43 -08:00
committed by facebook-github-bot-4
parent 8eddead868
commit e018aa3100
10 changed files with 137 additions and 33 deletions
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45
Libraries/Utilities/HMRClient.js
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@@ -10,6 +10,7 @@
*/
'use strict';
const Platform = require('Platform');
const invariant = require('invariant');
const processColor = require('processColor');
@@ -18,23 +19,26 @@ const processColor = require('processColor');
* runtime to reflects those changes.
*/
const HMRClient = {
enable(platform, bundleEntry) {
enable(platform, bundleEntry, host, port) {
invariant(platform, 'Missing required parameter `platform`');
invariant(bundleEntry, 'Missing required paramenter `bundleEntry`');
// TODO(martinb) receive host and port as parameters
const host = 'localhost';
const port = '8081';
invariant(host, 'Missing required paramenter `host`');
// need to require WebSocket inside of `enable` function because
// this module is defined as a `polyfillGlobal`.
// See `InitializeJavascriptAppEngine.js`
const WebSocket = require('WebSocket');
const activeWS = new WebSocket(
`ws://${host}:${port}/hot?platform=${platform}&` +
`bundleEntry=${bundleEntry.replace('.bundle', '.js')}`
);
const wsHostPort = port !== null && port !== ''
? `${host}:${port}`
: host;
// Build the websocket url
const wsUrl = `ws://${wsHostPort}/hot?` +
`platform=${platform}&` +
`bundleEntry=${bundleEntry.replace('.bundle', '.js')}`;
const activeWS = new WebSocket(wsUrl);
activeWS.onerror = (e) => {
throw new Error(
`Hot loading isn't working because it cannot connect to the development server.
@@ -50,10 +54,16 @@ Error: ${e.message}`
);
};
activeWS.onmessage = ({data}) => {
const DevLoadingView = require('NativeModules').DevLoadingView;
let DevLoadingView = require('NativeModules').DevLoadingView;
if (!DevLoadingView) {
DevLoadingView = {
showMessage() {},
hide() {},
};
}
data = JSON.parse(data);
switch(data.type) {
switch (data.type) {
case 'update-start': {
DevLoadingView.showMessage(
'Hot Loading...',
@@ -67,8 +77,13 @@ Error: ${e.message}`
const sourceMappingURLs = data.body.sourceMappingURLs;
const sourceURLs = data.body.sourceURLs;
const RCTRedBox = require('NativeModules').RedBox;
RCTRedBox && RCTRedBox.dismiss && RCTRedBox.dismiss();
if (Platform.OS === 'ios') {
const RCTRedBox = require('NativeModules').RedBox;
RCTRedBox && RCTRedBox.dismiss && RCTRedBox.dismiss();
} else {
const RCTExceptionsManager = require('NativeModules').ExceptionsManager;
RCTExceptionsManager && RCTExceptionsManager.dismissRedbox && RCTExceptionsManager.dismissRedbox();
}
modules.forEach((code, i) => {
code = code + '\n\n' + sourceMappingURLs[i];
@@ -82,8 +97,8 @@ Error: ${e.message}`
// on JSC we need to inject from native for sourcemaps to work
// (Safari doesn't support `sourceMappingURL` nor any variant when
// evaluating code) but on Chrome we can simply use eval
const injectFunction = typeof __injectHMRUpdate === 'function'
? __injectHMRUpdate
const injectFunction = typeof global.nativeInjectHMRUpdate === 'function'
? global.nativeInjectHMRUpdate
: eval;
injectFunction(code, sourceURLs[i]);