copy version number to clipboard

Summary: People often want to share Flipper's verison number in bug reports, etc. This makes it as easy as a single click to copy the version number.

Reviewed By: jknoxville

Differential Revision: D15516592

fbshipit-source-id: 72582e2acb23113b3a0af062a83d444031f058d6

src/__tests__/__snapshots__/App.electron.js.snap

@@ -59,10 +59,10 @@ exports[`Empty app state matches snapshot 1`] = `
       className="css-12zzrdt"
     />
     <span
-      className="css-lli23c"
+      className="css-1swhxtd"
+      onClick={[Function]}
     >
-      4.0.8
-      -dev
+      4.0.8-dev
     </span>
     <div
       className="css-1cecbfb"

src/chrome/TitleBar.js

@@ -32,6 +32,7 @@ import UpdateIndicator from './UpdateIndicator.js';
 import config from '../fb-stubs/config.js';
 import {isAutoUpdaterEnabled} from '../utils/argvUtils.js';
 import isProduction from '../utils/isProduction.js';
+import {clipboard} from 'electron';
 
 const AppTitleBar = styled(FlexRow)(({focused}) => ({
   background: focused
@@ -74,8 +75,34 @@ const VersionText = styled(Text)({
   color: colors.light50,
   marginLeft: 4,
   marginTop: 2,
+  cursor: 'pointer',
+  display: 'block',
+  padding: '4px 10px',
+  '&:hover': {
+    backgroundColor: `rgba(0,0,0,0.05)`,
+    borderRadius: '999em',
+  },
 });
 
+class Version extends Component<{children: string}, {copied: boolean}> {
+  state = {
+    copied: false,
+  };
+  _onClick = () => {
+    clipboard.writeText(this.props.children);
+    this.setState({copied: true});
+    setTimeout(() => this.setState({copied: false}), 1000);
+  };
+
+  render() {
+    return (
+      <VersionText onClick={this._onClick}>
+        {this.state.copied ? 'Copied' : this.props.children}
+      </VersionText>
+    );
+  }
+}
+
 const Importing = styled(FlexRow)({
   color: colors.light50,
   alignItems: 'center',
@@ -95,10 +122,7 @@ class TitleBar extends Component<Props> {
           </Importing>
         )}
         <Spacer />
-        <VersionText>
-          {this.props.version}
-          {isProduction() ? '' : '-dev'}
-        </VersionText>
+        <Version>{this.props.version + (isProduction() ? '' : '-dev')}</Version>
 
         {isAutoUpdaterEnabled() ? (
           <AutoUpdateVersion version={this.props.version} />

src/chrome/__tests__/__snapshots__/TitleBar.electron.js.snap

@@ -56,10 +56,10 @@ exports[`TitleBar is rendered 1`] = `
     className="css-12zzrdt"
   />
   <span
-    className="css-lli23c"
+    className="css-1swhxtd"
+    onClick={[Function]}
   >
-    1.0.0
-    -dev
+    1.0.0-dev
   </span>
   <div
     className="css-1cecbfb"