Updates the DevTools test script to make it easier to test other URLs. (facebook#19179)

Author: Brian Vaughn

.gitignore

@@ -32,5 +32,6 @@ packages/react-devtools-extensions/firefox/build
 packages/react-devtools-extensions/firefox/*.xpi
 packages/react-devtools-extensions/firefox/*.pem
 packages/react-devtools-extensions/shared/build
+packages/react-devtools-extensions/.tempUserDataDir
 packages/react-devtools-inline/dist
 packages/react-devtools-shell/dist

packages/react-devtools-extensions/chrome/test.js

@@ -4,10 +4,20 @@
 
 const chromeLaunch = require('chrome-launch');
 const {resolve} = require('path');
+const {argv} = require('yargs');
 
 const EXTENSION_PATH = resolve('./chrome/build/unpacked');
-const START_URL = 'https://facebook.github.io/react/';
+const START_URL = argv.url || 'https://reactjs.org/';
 
 chromeLaunch(START_URL, {
-  args: [`--load-extension=${EXTENSION_PATH}`],
+  args: [
+    // Load the React DevTools extension
+    `--load-extension=${EXTENSION_PATH}`,
+
+    // Automatically open DevTools window
+    '--auto-open-devtools-for-tabs',
+
+    // Remembers previous session settings (e.g. DevTools size/position)
+    '--user-data-dir=./.tempUserDataDir',
+  ],
 });

packages/react-devtools-extensions/edge/test.js

@@ -5,10 +5,12 @@
 const open = require('open');
 const os = require('os');
 const osName = require('os-name');
-const START_URL = 'https://facebook.github.io/react/';
 const {resolve} = require('path');
+const {argv} = require('yargs');
 
 const EXTENSION_PATH = resolve('./edge/build/unpacked');
+const START_URL = argv.url || 'https://reactjs.org/';
+
 const extargs = `--load-extension=${EXTENSION_PATH}`;
 
 const osname = osName(os.platform());

packages/react-devtools-extensions/firefox/test.js

@@ -5,9 +5,10 @@
 const {exec} = require('child-process-promise');
 const {Finder} = require('firefox-profile');
 const {resolve} = require('path');
+const {argv} = require('yargs');
 
 const EXTENSION_PATH = resolve('./firefox/build/unpacked');
-const START_URL = 'https://facebook.github.io/react/';
+const START_URL = argv.url || 'https://reactjs.org/';
 
 const main = async () => {
   const finder = new Finder();

scripts/flow/config/flowconfig

@@ -1,6 +1,7 @@
 [ignore]
 .*/scripts/bench/.*
 .*/build/.*
+.*/.tempUserDataDir/.*
 
 # These shims are copied into external projects:
 .*/rollup/shims/facebook-www/.*