fix(examples and docs): adding react-live…

packages/patternfly-4/react-core/src/components/Button/examples/LinkButton.js

@@ -2,7 +2,7 @@ import React from 'react';
 import { Button } from '@patternfly/react-core';
 import getContainerProps from './common/getContainerProps';
 
-class LinkButtons extends React.Component {
+class LinkButton extends React.Component {
   static title = 'Links';
   static description = `Links with button styling. Semantic buttons and links are important for usability as well as accessibility. Using an "a" instead of a "button" element to perform user initiated actions should be avoided, unless absolutely necessary.`;
   static getContainerProps = getContainerProps;
@@ -21,4 +21,4 @@ class LinkButtons extends React.Component {
   }
 }
 
-export default LinkButtons;
+export default LinkButton;

packages/patternfly-4/react-core/src/components/Dropdown/examples/DirectionUpDropdown.js

@@ -1,7 +1,7 @@
 import React, { Component } from 'react';
 import { Dropdown, DropdownToggle, DropdownItem, DropdownSeparator, DropdownDirection } from '@patternfly/react-core';
 
-export default class ExampleDropdown extends Component {
+export default class DirectionUpDropdown extends Component {
   static title = 'Dropdown - direction up';
 
   constructor(props) {
@@ -13,14 +13,12 @@ export default class ExampleDropdown extends Component {
 
   onToggle = isOpen => {
     this.setState({
-      ...this.state,
       isOpen
     });
   };
 
   onSelect = event => {
     this.setState({
-      ...this.state,
       isOpen: !this.state.isOpen
     });
   };

packages/patternfly-4/react-core/src/components/Dropdown/examples/KebabDropdown.js

@@ -1,7 +1,7 @@
 import React, { Component } from 'react';
 import { Dropdown, KebabToggle, DropdownItem, DropdownSeparator } from '@patternfly/react-core';
 
-export default class ExampleDropdown extends Component {
+export default class KebabDropdown extends Component {
   static title = 'Kebab';
 
   constructor(props) {
@@ -13,14 +13,12 @@ export default class ExampleDropdown extends Component {
 
   onToggle = isOpen => {
     this.setState({
-      ...this.state,
       isOpen
     });
   };
 
   onSelect = event => {
     this.setState({
-      ...this.state,
       isOpen: !this.state.isOpen
     });
   };

packages/patternfly-4/react-core/src/components/Dropdown/examples/PositionRightDropdown.js

@@ -1,7 +1,7 @@
 import React, { Component } from 'react';
 import { Dropdown, DropdownToggle, DropdownItem, DropdownSeparator, DropdownPosition } from '@patternfly/react-core';
 
-export default class ExampleDropdown extends Component {
+export default class PositionRightDropdown extends Component {
   static title = 'Dropdown - position right';
 
   constructor(props) {
@@ -13,14 +13,12 @@ export default class ExampleDropdown extends Component {
 
   onToggle = isOpen => {
     this.setState({
-      ...this.state,
       isOpen
     });
   };
 
   onSelect = event => {
     this.setState({
-      ...this.state,
       isOpen: !this.state.isOpen
     });
   };

packages/patternfly-4/react-core/src/components/Dropdown/examples/SimpleDropdown.js

@@ -1,7 +1,7 @@
 import React, { Component } from 'react';
 import { Dropdown, DropdownToggle, DropdownItem, DropdownSeparator } from '@patternfly/react-core';
 
-export default class ExampleDropdown extends Component {
+export default class SimpleDropdown extends Component {
   static title = 'Simple dropdown';
 
   constructor(props) {
@@ -13,14 +13,12 @@ export default class ExampleDropdown extends Component {
 
   onToggle = isOpen => {
     this.setState({
-      ...this.state,
       isOpen
     });
   };
 
   onSelect = event => {
     this.setState({
-      ...this.state,
       isOpen: !this.state.isOpen
     });
   };

packages/patternfly-4/react-docs/.env.development

@@ -0,0 +1 @@
+LIVE_EXAMPLES=true

packages/patternfly-4/react-docs/.env.production

@@ -0,0 +1 @@
+LIVE_EXAMPLES=true

packages/patternfly-4/react-docs/gatsby-node.js

@@ -54,10 +54,11 @@ exports.onCreateNode = ({ node, boundActionCreators }) => {
 
 exports.createPages = async ({ boundActionCreators, graphql }) => {
   const {
-    data: { docs, examples }
+    data: { docs, examples, exampleImages }
   } = await graphql(`
     fragment DocFile on File {
       relativePath
+      relativeDirectory
       absolutePath
       base
       name
@@ -78,17 +79,47 @@ exports.createPages = async ({ boundActionCreators, graphql }) => {
           }
         }
       }
+      exampleImages: allFile(filter: { extension: { regex: "/(png|svg)/" } }) {
+        edges {
+          node {
+            ...DocFile
+          }
+        }
+      }
     }
   `);
   const docsComponentPath = path.resolve(__dirname, './src/components/componentDocs');
   docs.edges.forEach(({ node: doc }) => {
     const filePath = path.resolve(__dirname, '.tmp', doc.base);
+
+    const rawExamples = [];
+    examples.edges.forEach(({ node: example }) => {
+      if (
+        example.relativeDirectory
+          .split('/')
+          .slice(0, 2)
+          .join('/') === doc.relativeDirectory
+      ) {
+        // e.g. components/Alert/examples/DangerAlert.js
+        const examplePath = `../../react-core/src/${example.relativePath}`;
+        rawExamples.push(`{name: '${example.name}', path: '${examplePath}', file: require('!!raw!${examplePath}')}`);
+      }
+    });
+    const allImages = [];
+    exampleImages.edges.forEach(({ node: image }) => {
+      const imagePath = `../../react-core/src/${image.relativePath}`;
+      allImages.push(`{name: '${image.base}', file: require('${imagePath}')}`);
+    });
+
     const content = `
     import React from 'react';
     import docs from '${doc.absolutePath}';
     import ComponentDocs from '${docsComponentPath}';
+
+    const rawExamples = [${rawExamples}];
+    const images = [${allImages}];
 
-    export default () => <ComponentDocs {...docs} />
+    export default () => <ComponentDocs rawExamples={rawExamples} images={images} {...docs} />
     `;
     fs.outputFileSync(filePath, content);
     boundActionCreators.createPage({

packages/patternfly-4/react-docs/package.json

@@ -12,7 +12,7 @@
     "@patternfly/react-icons": "*",
     "@patternfly/react-styles": "^2.0.0",
     "@patternfly/react-tokens": "^1.0.0",
-    "babel-plugin-react-docgen": "^v1.9.0",
+    "babel-standalone": "^6.26.0",
     "emotion": "^9.2.9",
     "emotion-server": "^9.2.9",
     "gatsby": "^1.9.247",
@@ -27,7 +27,8 @@
     "prop-types": "^15.6.1",
     "react": "^16.3.2",
     "react-dom": "^16.3.2",
-    "react-helmet": "^5.2.0"
+    "react-helmet": "^5.2.0",
+    "react-live": "^1.11.0"
   },
   "keywords": [
     "gatsby"

packages/patternfly-4/react-docs/src/components/componentDocs/componentDocs.js

@@ -13,31 +13,41 @@ const propTypes = {
   description: PropTypes.string,
   examples: PropTypes.arrayOf(PropTypes.func),
   components: PropTypes.objectOf(PropTypes.func),
-  enumValues: PropTypes.objectOf(PropTypes.arrayOf(PropTypes.any))
+  enumValues: PropTypes.objectOf(PropTypes.arrayOf(PropTypes.any)),
+  rawExamples: PropTypes.array,
+  images: PropTypes.array
 };
 
 const defaultProps = {
   description: '',
   examples: [],
   components: {},
-  enumValues: {}
+  enumValues: {},
+  rawExamples: [],
+  images: []
 };
 
-const ComponentDocs = ({ title, description, examples, components, enumValues }) => (
+const ComponentDocs = ({ title, description, examples, components, enumValues, rawExamples, images }) => (
   <Content>
     <Title size="3xl">{title}</Title>
     {Boolean(description) && <p className={css(styles.description)}>{description}</p>}
     <Section title="Examples">
-      {examples.map((ComponentExample, i) => (
-        <Example
-          key={i}
-          title={ComponentExample.title}
-          description={ComponentExample.description}
-          {...(ComponentExample.getContainerProps ? ComponentExample.getContainerProps() : {})}
-        >
-          <ComponentExample />
-        </Example>
-      ))}
+      {examples.map((ComponentExample, i) => {
+        const { __docgenInfo: componentDocs } = ComponentExample;
+        const rawExample = rawExamples.find(example => example.name === componentDocs.displayName);
+        return (
+          <Example
+            key={i}
+            raw={rawExample && rawExample.file}
+            images={images}
+            title={ComponentExample.title}
+            description={ComponentExample.description}
+            {...(ComponentExample.getContainerProps ? ComponentExample.getContainerProps() : {})}
+          >
+            <ComponentExample />
+          </Example>
+        );
+      })}
     </Section>
     {Object.entries(components).map(([componentName, { __docgenInfo: componentDocs }]) => (
       <PropsTable key={componentName} name={componentName} props={componentDocs.props} enumValues={enumValues} />

packages/patternfly-4/react-docs/src/components/example/example.js

@@ -3,26 +3,37 @@ import { css } from '@patternfly/react-styles';
 import styles from './example.styles';
 import PropTypes from 'prop-types';
 import { Title } from '@patternfly/react-core';
+import LiveDemo from './liveDemo';
 
 const propTypes = {
   children: PropTypes.node.isRequired,
   title: PropTypes.string.isRequired,
   description: PropTypes.string,
-  className: PropTypes.string
+  className: PropTypes.string,
+  raw: PropTypes.string,
+  images: PropTypes.array
 };
 
 const defaultProps = {
   className: '',
-  description: ''
+  description: '',
+  raw: '',
+  images: []
 };
 
-const Example = ({ children, title, className, description, ...props }) => (
+const LIVE_EXAMPLES = /true/i.test(process.env.LIVE_EXAMPLES);
+
+const Example = ({ children, title, className, description, raw, images, ...props }) => (
   <div>
-    <Title size="md">{title}</Title>
+    <Title size="lg">{title}</Title>
     {Boolean(description) && <p className={css(styles.description)}>{description}</p>}
-    <div className={css(className, styles.example)} {...props}>
-      {children}
-    </div>
+    {LIVE_EXAMPLES ? (
+      <LiveDemo raw={raw.trim()} images={images} className={className} />
+    ) : (
+        <div className={css(className, styles.example)} {...props}>
+          {children}
+        </div>
+      )}
   </div>
 );
 

packages/patternfly-4/react-docs/src/components/example/liveDemo.js

@@ -0,0 +1,67 @@
+import React from 'react';
+import { css } from '@patternfly/react-styles';
+import styles from './example.styles';
+import PropTypes from 'prop-types';
+import * as CoreComponents from '@patternfly/react-core';
+import * as CoreIcons from '@patternfly/react-icons';
+import { LiveProvider, LiveEditor, LiveError, LivePreview, withLive } from 'react-live';
+import { transform } from 'babel-standalone';
+
+const propTypes = {
+  className: PropTypes.string,
+  raw: PropTypes.string.isRequired,
+  images: PropTypes.array
+};
+
+const defaultProps = {
+  className: '',
+  images: []
+};
+
+const scopePlayground = { React, ...CoreComponents, ...CoreIcons };
+
+const transformCode = code => {
+  try {
+    // LiveEditor doesn't work properly with these so need to remove
+    code = code.replace(/^\s*import.*$/gm, '');
+    code = code.replace(/^\s*export default class/gm, 'class');
+    code = code.replace(/extends Component/gm, 'extends React.Component');
+    code = code.replace(/^\s*export.*$/gm, '');
+    code = code.replace(/^\s*static.*$/gm, '');
+    const transformedCode = transform(code, {
+      presets: ['react', 'stage-2']
+    }).code;
+    return transformedCode;
+  } catch (e) {
+    console.log(e);
+    // todo: handle error
+    return code;
+  }
+};
+
+const LiveDemo = ({ className, raw, images, ...props }) => {
+  const scope = {
+    ...scopePlayground
+  };
+  for (const image of images) {
+    const searchIndex = raw.search(image.name);
+    if (searchIndex > -1) {
+      const startIndex = raw.lastIndexOf('import', searchIndex);
+      const importName = raw.substring(startIndex, searchIndex).split(' ')[1];
+      scope[importName] = image.file;
+    }
+  }
+
+  return (
+    <LiveProvider code={raw} scope={scope} transformCode={transformCode}>
+      <LivePreview className={css(className, styles.example)} />
+      <LiveEditor style={{ marginBottom: '30px' }} />
+      <LiveError />
+    </LiveProvider>
+  );
+};
+
+LiveDemo.propTypes = propTypes;
+LiveDemo.defaultProps = defaultProps;
+
+export default withLive(LiveDemo);

packages/patternfly-4/react-docs/src/layouts/index.js

@@ -32,12 +32,13 @@ const Layout = ({ children, data }) => {
 
   return (
     <React.Fragment>
-      <Helmet
-        meta={[
-          { name: 'description', content: 'PatternFly React Documentation' },
-          { name: 'keywords', content: 'React, PatternFly, Red Hat' }
-        ]}
-      />
+      <Helmet>
+        <meta charSet="utf-8" />
+        <meta name="description" content="PatternFly React Documentation" />
+        <meta name="keywords" content="React, PatternFly, Red Hat" />
+        <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.0.0/codemirror.min.css" />
+        <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.0.0/theme/monokai.min.css" />
+      </Helmet>
       <Page
         title="Patternfly React"
         navigation={<Navigation componentRoutes={componentRoutes} layoutRoutes={layoutRoutes} />}