perf(docs): optimize performance

docs/app/Components/ComponentDoc/ComponentControls/ComponentControls.js

@@ -0,0 +1,64 @@
+import PropTypes from 'prop-types'
+import React from 'react'
+import { Menu, Transition } from 'semantic-ui-react'
+
+import { updateForKeys } from 'docs/app/HOC'
+import ComponentControlsCopyLink from './ComponentControlsCopyLink'
+import ComponentControlsEditCode from './ComponentControlsEditCode'
+import ComponentControlsMaximize from './ComponentControlsMaximize'
+import ComponentControlsShowHtml from './ComponentControlsShowHtml'
+
+const ComponentControls = (props) => {
+  const {
+    anchorName, showHTML, showCode,
+    onCopyLink, onShowHTML, onShowCode,
+    visible,
+  } = props
+
+  return (
+    <Transition
+      transitionOnMount
+      visible={!!visible}
+      unmountOnHide
+    >
+      {/* Heads up! Don't remove this `div`, visible Transition applies `display: block`,
+          while Menu should have `display: inline-flex`
+        */}
+      <div>
+        <Menu
+          color='green'
+          compact
+          icon
+          size='small'
+          text
+        >
+          <ComponentControlsCopyLink
+            anchorName={anchorName}
+            onClick={onCopyLink}
+          />
+          <ComponentControlsMaximize anchorName={anchorName} />
+          <ComponentControlsShowHtml
+            active={showHTML}
+            onClick={onShowHTML}
+          />
+          <ComponentControlsEditCode
+            active={showCode}
+            onClick={onShowCode}
+          />
+        </Menu>
+      </div>
+    </Transition>
+  )
+}
+
+ComponentControls.propTypes = {
+  anchorName: PropTypes.string,
+  onCopyLink: PropTypes.func,
+  onShowCode: PropTypes.func,
+  onShowHTML: PropTypes.func,
+  showCode: PropTypes.bool,
+  showHTML: PropTypes.bool,
+  visible: PropTypes.bool,
+}
+
+export default updateForKeys(['showCode', 'showHTML', 'visible'])(ComponentControls)

docs/app/Components/ComponentDoc/ComponentControls/ComponentControlsCopyLink.js

@@ -0,0 +1,56 @@
+import PropTypes from 'prop-types'
+import React, { Component } from 'react'
+import { Icon, Menu } from 'semantic-ui-react'
+
+import ComponentControlsToolTip from './ComponentControlsToolTip'
+
+export default class ComponentControlsCopyLink extends Component {
+  state = {}
+
+  static propTypes = {
+    anchorName: PropTypes.string,
+    onClick: PropTypes.func,
+  }
+
+  shouldComponentUpdate(nextProps, nextState) {
+    return this.state.active !== nextState.active
+  }
+
+  componentDidMount() {
+    this.mounted = true
+  }
+
+  componentWillUnmount() {
+    this.mounted = false
+  }
+
+  handleClick = (e) => {
+    const { onClick } = this.props
+
+    e.preventDefault()
+    onClick()
+
+    this.setState({ active: true })
+    setTimeout(this.resetActive, 3000)
+  }
+
+  resetActive = () => this.mounted && this.setState({ active: false })
+
+  render() {
+    const { anchorName } = this.props
+    const { active } = this.state
+
+    return (
+      <ComponentControlsToolTip content={active ? ' Copied Link!' : 'Direct link'}>
+        <Menu.Item href={`#${anchorName}`} onClick={this.handleClick}>
+          <Icon
+            color={active ? 'green' : 'grey'}
+            fitted
+            name='linkify'
+            size='large'
+          />
+        </Menu.Item>
+      </ComponentControlsToolTip>
+    )
+  }
+}

docs/app/Components/ComponentDoc/ComponentControls/ComponentControlsEditCode.js

@@ -0,0 +1,26 @@
+import PropTypes from 'prop-types'
+import React from 'react'
+import { Icon, Menu } from 'semantic-ui-react'
+
+import { updateForKeys } from 'docs/app/HOC'
+import ComponentControlsToolTip from './ComponentControlsToolTip'
+
+const ComponentControlsEditCode = ({ active, onClick }) => (
+  <ComponentControlsToolTip content='Edit Code'>
+    <Menu.Item active={active} onClick={onClick}>
+      <Icon
+        color={active ? 'green' : 'grey'}
+        fitted
+        name='code'
+        size='large'
+      />
+    </Menu.Item>
+  </ComponentControlsToolTip>
+)
+
+ComponentControlsEditCode.propTypes = {
+  active: PropTypes.bool,
+  onClick: PropTypes.func,
+}
+
+export default updateForKeys(['active'])(ComponentControlsEditCode)

docs/app/Components/ComponentDoc/ComponentControls/ComponentControlsMaximize.js

@@ -0,0 +1,25 @@
+import PropTypes from 'prop-types'
+import React from 'react'
+import { Icon, Menu } from 'semantic-ui-react'
+
+import { neverUpdate } from 'docs/app/HOC'
+import ComponentControlsToolTip from './ComponentControlsToolTip'
+
+const ComponentControlsMaximize = ({ anchorName }) => (
+  <ComponentControlsToolTip content='Full Screen'>
+    <Menu.Item href={`/maximize/${anchorName}`} target='_blank'>
+      <Icon
+        color='grey'
+        fitted
+        name='window maximize'
+        size='large'
+      />
+    </Menu.Item>
+  </ComponentControlsToolTip>
+)
+
+ComponentControlsMaximize.propTypes = {
+  anchorName: PropTypes.string,
+}
+
+export default neverUpdate(ComponentControlsMaximize)

docs/app/Components/ComponentDoc/ComponentControls/ComponentControlsShowHtml.js

@@ -0,0 +1,26 @@
+import PropTypes from 'prop-types'
+import React from 'react'
+import { Icon, Menu } from 'semantic-ui-react'
+
+import { updateForKeys } from 'docs/app/HOC'
+import ComponentControlsToolTip from './ComponentControlsToolTip'
+
+const ComponentControlsShowHtml = ({ active, onClick }) => (
+  <ComponentControlsToolTip content='Show HTML'>
+    <Menu.Item active={active} onClick={onClick}>
+      <Icon
+        color={active ? 'green' : 'grey'}
+        size='large'
+        name='html5'
+        fitted
+      />
+    </Menu.Item>
+  </ComponentControlsToolTip>
+)
+
+ComponentControlsShowHtml.propTypes = {
+  active: PropTypes.bool,
+  onClick: PropTypes.func,
+}
+
+export default updateForKeys(['active'])(ComponentControlsShowHtml)

docs/app/Components/ComponentDoc/ComponentControls/ComponentControlsToolTip.js

@@ -0,0 +1,28 @@
+import PropTypes from 'prop-types'
+import React from 'react'
+import { Popup } from 'semantic-ui-react'
+
+const toolTipStyle = {
+  padding: '0.5em',
+  textAlign: 'center',
+  width: 100,
+}
+
+const ComponentControlsToolTip = ({ children, content }) => (
+  <Popup
+    content={content}
+    inverted
+    mouseEnterDelay={800}
+    position='top center'
+    size='tiny'
+    style={toolTipStyle}
+    trigger={children}
+  />
+)
+
+ComponentControlsToolTip.propTypes = {
+  children: PropTypes.node,
+  content: PropTypes.node,
+}
+
+export default ComponentControlsToolTip

docs/app/Components/ComponentDoc/ComponentControls/index.js

@@ -0,0 +1 @@
+export default from './ComponentControls'

docs/app/Components/ComponentDoc/ComponentExample.js → docs/app/Components/ComponentDoc/ComponentExample/ComponentExample.js

@@ -8,8 +8,9 @@ import { html } from 'js-beautify'
 import copyToClipboard from 'copy-to-clipboard'
 
 import { exampleContext, repoURL, scrollToAnchor } from 'docs/app/utils'
-import { Divider, Grid, Icon, Header, Menu, Popup } from 'src'
+import { Divider, Grid, Header, Menu } from 'src'
 import Editor from 'docs/app/Components/Editor/Editor'
+import ComponentControls from '../ComponentControls'
 
 const babelConfig = {
   presets: ['es2015', 'react', 'stage-1'],
@@ -40,23 +41,6 @@ const errorStyle = {
   background: '#fff2f2',
 }
 
-const toolTipStyle = { width: 100, textAlign: 'center', padding: '0.5em' }
-const ToolTip = ({ children, content }) => (
-  <Popup
-    inverted
-    mouseEnterDelay={800}
-    position='top center'
-    size='tiny'
-    style={toolTipStyle}
-    trigger={children}
-    content={content}
-  />
-)
-ToolTip.propTypes = {
-  children: PropTypes.node,
-  content: PropTypes.node,
-}
-
 /**
  * Renders a `component` and the raw `code` that produced it.
  * Allows toggling the the raw `code` code block.
@@ -102,16 +86,15 @@ class ComponentExample extends Component {
     history.replace(location.pathname)
   }
 
-  handleDirectLinkClick = (e) => {
-    e.preventDefault()
+  handleDirectLinkClick = () => {
     this.setHashAndScroll()
-
     copyToClipboard(location.href)
-    this.setState({ copiedDirectLink: true })
-
-    setTimeout(() => this.setState({ copiedDirectLink: false }), 1000)
   }
 
+  handleMouseEnter = () => this.setState({ controlsVisible: true })
+
+  handleMouseLeave = () => this.setState({ controlsVisible: false })
+
   handleShowCodeClick = (e) => {
     e.preventDefault()
 
@@ -150,7 +133,7 @@ class ComponentExample extends Component {
   getOriginalSourceCode = () => {
     const { examplePath } = this.props
 
-    if (!this.sourceCode) this.sourceCode = require(`!raw-loader!../../Examples/${examplePath}`)
+    if (!this.sourceCode) this.sourceCode = require(`!raw-loader!../../../Examples/${examplePath}`)
 
     return this.sourceCode
   }
@@ -392,51 +375,54 @@ class ComponentExample extends Component {
 
   render() {
     const { children, description, title } = this.props
-    const { copiedDirectLink, exampleElement, showCode, showHTML } = this.state
+    const { controlsVisible, exampleElement, showCode, showHTML } = this.state
     const exampleStyle = {}
 
     if (showCode || showHTML || location.hash === `#${this.anchorName}`) {
       exampleStyle.boxShadow = '0 0 30px #ccc'
     }
 
     return (
-      <Grid className='docs-example' style={exampleStyle} divided={showCode} columns='1' id={this.anchorName}>
-        <Grid.Column style={headerColumnStyle}>
-          {title && <Header as='h3' className='no-anchor' style={titleStyle} content={title} />}
-          {description && <p style={descriptionStyle}>{description}</p>}
-          <Menu compact text icon size='small' color='green' className='docs-example-menu'>
-            <ToolTip content={copiedDirectLink ? ' Copied Link!' : 'Direct link'}>
-              <Menu.Item href={`#${this.anchorName}`} onClick={this.handleDirectLinkClick}>
-                <Icon size='large' color='grey' name='linkify' fitted />
-              </Menu.Item>
-            </ToolTip>
-            <ToolTip content='Full Screen'>
-              <Menu.Item href={`/maximize/${this.anchorName}`} target='_blank'>
-                <Icon size='large' color='grey' name='window maximize' fitted />
-              </Menu.Item>
-            </ToolTip>
-            <ToolTip content='Show HTML'>
-              <Menu.Item active={showHTML} onClick={this.handleShowHTMLClick}>
-                <Icon size='large' color={showHTML ? 'green' : 'grey'} name='html5' fitted />
-              </Menu.Item>
-            </ToolTip>
-            <ToolTip content='Edit Code'>
-              <Menu.Item active={showCode} onClick={this.handleShowCodeClick}>
-                <Icon size='large' name='code' fitted />
-              </Menu.Item>
-            </ToolTip>
-          </Menu>
-        </Grid.Column>
-        {children && (
-          <Grid.Column style={childrenStyle}>
-            {children}
+      <Grid
+        className='docs-example'
+        id={this.anchorName}
+        onMouseEnter={this.handleMouseEnter}
+        onMouseLeave={this.handleMouseLeave}
+        style={exampleStyle}
+      >
+        <Grid.Row columns={2}>
+          <Grid.Column style={headerColumnStyle}>
+            {title && <Header as='h3' className='no-anchor' style={titleStyle} content={title} />}
+            {description && <p style={descriptionStyle}>{description}</p>}
           </Grid.Column>
-        )}
-        <Grid.Column className={`rendered-example ${this.getKebabExamplePath()}`}>
-          {exampleElement}
-        </Grid.Column>
-        {this.renderJSX()}
-        {this.renderHTML()}
+          <Grid.Column textAlign='right'>
+            <ComponentControls
+              anchorName={this.anchorName}
+              onCopyLink={this.handleDirectLinkClick}
+              onShowCode={this.handleShowCodeClick}
+              onShowHTML={this.handleShowHTMLClick}
+              showCode={showCode}
+              showHTML={showHTML}
+              visible={controlsVisible}
+            />
+          </Grid.Column>
+        </Grid.Row>
+
+        <Grid.Row columns={1}>
+          {children && (
+            <Grid.Column style={childrenStyle}>
+              {children}
+            </Grid.Column>
+          )}
+        </Grid.Row>
+
+        <Grid.Row columns={1}>
+          <Grid.Column className={`rendered-example ${this.getKebabExamplePath()}`}>
+            {exampleElement}
+          </Grid.Column>
+          {this.renderJSX()}
+          {this.renderHTML()}
+        </Grid.Row>
       </Grid>
     )
   }

docs/app/Components/ComponentDoc/ComponentExample/index.js

@@ -0,0 +1 @@
+export default from './ComponentExample'