woocommerce/plugins/woocommerce-admin/bin/generate-docs/index.js

89 lines
2.6 KiB
JavaScript
Executable File

/** @format */
/* eslint-disable no-console */
/**
* External dependencies
*/
const fs = require( 'fs' );
const path = require( 'path' );
const { parse, resolver } = require( 'react-docgen' );
/**
* Internal dependencies
*/
const { getDescription, getProps, getTitle } = require( './lib/formatting' );
const {
COMPONENTS_FOLDER,
PACKAGES_FOLDER,
deleteExistingDocs,
getExportedFileList,
getMdFileName,
getRealFilePaths,
writeTableOfContents,
} = require( './lib/file-system' );
// Start by wiping the existing docs. **Change this if we end up manually editing docs**
deleteExistingDocs();
// Read components file to get a list of exported files, convert that to a list of absolute paths to public components.
const files = [
...getRealFilePaths( getExportedFileList( path.resolve( COMPONENTS_FOLDER, 'index.js' ) ) ),
...getRealFilePaths( getExportedFileList( path.resolve( PACKAGES_FOLDER, 'index.js' ) ), PACKAGES_FOLDER ),
];
// Build the documentation by reading each file.
files.forEach( file => {
try {
const content = fs.readFileSync( file );
buildDocs( file, content );
} catch ( readErr ) {
console.warn( file, readErr );
}
} );
writeTableOfContents( files );
console.log( `Wrote docs for ${ files.length } files.` );
/**
* Parse each file's content & build up a markdown file.
*
* @param { string } fileName The absolute path of this file.
* @param { string } content Content of this file.
* @param { boolean } multiple If there are multiple exports in this file, we need to use a different resolver.
*/
function buildDocs( fileName, content, multiple = false ) {
const mdFileName = getMdFileName( fileName );
let markdown;
try {
if ( multiple ) {
const docObject = parse( content, resolver.findAllExportedComponentDefinitions );
markdown = docObject.map( doc => generateMarkdown( doc ) ).join( '\n\n' );
} else {
const docObject = parse( content );
markdown = generateMarkdown( docObject );
}
fs.appendFileSync( mdFileName, markdown );
} catch ( parseErr ) {
if ( ! multiple ) {
// The most likely error is that there are multiple exported components
buildDocs( fileName, content, true );
return;
}
console.warn( fileName, parseErr );
}
}
/**
* Convert documentation object to a markdown string.
*
* @param { object } docObject The parsed documentation object.
* @return { string } Generated markdown.
*/
function generateMarkdown( docObject ) {
let markdownString = getTitle( docObject.displayName ) + '\n';
markdownString += getDescription( docObject.description ) + '\n';
markdownString += getProps( docObject.props );
return markdownString + '\n';
}