263aba9f31
Summary: This page is auto generated, so the default link gives a 404. Pointing it to the script instead. Reviewed By: passy Differential Revision: D21325554 fbshipit-source-id: 5ede07daa6335ad0199a11c5483e328c3ca2c5e3
124 lines
3.5 KiB
JavaScript
124 lines
3.5 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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const reactDocs = require('react-docgen');
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const glob = require('glob');
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const fs = require('fs');
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const babylon = require('@babel/parser');
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const docblockParser = require('docblock-parser');
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const HEADER = `---
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id: ui-components
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title: UI Components
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custom_edit_url: 'https://github.com/facebook/flipper/blob/master/website/generate-uidocs.js'
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---
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Flipper has a lot of built in React components to build UIs. You can import them directly using e.g. \`import {Button} from 'flipper'\`.`;
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const TARGET = __dirname + '/../docs/extending/ui-components.mdx';
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glob(__dirname + '/../desktop/app/src/ui/components/**/*.tsx', (err, files) => {
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const content = files
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.map(f => [f, fs.readFileSync(f)])
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.map(([name, file]) => {
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try {
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const doc = reactDocs.parse(file, null, null, {filename: name});
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console.log(`✅ ${name}`);
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return doc;
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} catch (e) {
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const doc = parseHOC(name, file);
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if (doc) {
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console.log(`✅ HOC: ${name}`);
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return doc;
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} else {
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console.error(`❌ ${name}: ${e.message}`);
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return null;
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}
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}
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})
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.filter(Boolean)
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.map(generateMarkdown)
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.reduce((acc, cv) => acc + cv, '');
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fs.writeFileSync(TARGET, HEADER + content);
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});
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// HOC are not supported by react-docgen. This means, styled-components will not
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// work. This is why we implement our own parser to information from these HOCs.
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function parseHOC(name, file) {
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try {
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const ast = babylon.parse(file.toString(), {
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sourceType: 'module',
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plugins: ['typescript', 'objectRestSpread', 'classProperties'],
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});
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// find the default export from the file
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const exportDeclaration = ast.program.body.find(
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node => node.type === 'ExportDefaultDeclaration',
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);
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if (exportDeclaration) {
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// find doc comment right before the export
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const comment = ast.comments.find(
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c => c.end + 1 === exportDeclaration.start,
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);
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if (comment) {
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return {
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// use the file's name as name for the component
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displayName: name
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.split('/')
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.reverse()[0]
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.replace(/\.js$/, ''),
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description: docblockParser.parse(comment.value).text,
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};
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}
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}
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} catch (e) {}
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return null;
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}
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function generateMarkdown(component) {
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let props;
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if (component.props && Object.keys(component.props).length > 0) {
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props = '| Property | Type | Description |\n';
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props += '|---------|------|-------------|\n';
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Object.keys(component.props).forEach(prop => {
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let {tsType, description} = component.props[prop];
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let type = '';
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if (tsType) {
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if (tsType.nullable) {
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type += '?';
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}
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type +=
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tsType.name === 'signature' ||
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tsType.name === 'union' ||
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tsType.name === 'Array'
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? tsType.raw
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: tsType.name;
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}
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// escape pipes and new lines because they will break tables
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type = type.replace(/\n/g, ' ').replace(/\|/g, '⎮');
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description = description
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? description.replace(/\n/g, ' ').replace(/\|/g, '⎮')
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: '';
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props += `| \`${prop}\` | \`${type}\` | ${description} |\n`;
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});
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}
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return `
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## ${component.displayName}
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${component.description || ''}
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${props || ''}
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`;
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}
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