react-native/website/server/extractDocs.js

363 lines
11 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
const docgen = require('react-docgen');
const docgenHelpers = require('./docgenHelpers');
const fs = require('fs');
const jsDocs = require('../jsdocs/jsdocs.js');
const path = require('path');
const slugify = require('../core/slugify');
const ANDROID_SUFFIX = 'android';
const CROSS_SUFFIX = 'cross';
const IOS_SUFFIX = 'ios';
function endsWith(str, suffix) {
return str.indexOf(suffix, str.length - suffix.length) !== -1;
}
function removeExtName(filepath) {
let ext = path.extname(filepath);
while (ext) {
filepath = path.basename(filepath, ext);
ext = path.extname(filepath);
}
return filepath;
}
function getNameFromPath(filepath) {
filepath = removeExtName(filepath);
if (filepath === 'LayoutPropTypes') {
return 'Flexbox';
} else if (filepath === 'TransformPropTypes') {
return 'Transforms';
} else if (filepath === 'TabBarItemIOS') {
return 'TabBarIOS.Item';
} else if (filepath === 'AnimatedImplementation') {
return 'Animated';
}
return filepath;
}
function getPlatformFromPath(filepath) {
filepath = removeExtName(filepath);
if (endsWith(filepath, 'Android')) {
return ANDROID_SUFFIX;
} else if (endsWith(filepath, 'IOS')) {
return IOS_SUFFIX;
}
return CROSS_SUFFIX;
}
function getExamplePaths(componentName, componentPlatform) {
var componentExample = '../Examples/UIExplorer/' + componentName + 'Example.';
var pathsToCheck = [
componentExample + 'js',
componentExample + componentPlatform + '.js',
];
if (componentPlatform === CROSS_SUFFIX) {
pathsToCheck.push(
componentExample + IOS_SUFFIX + '.js',
componentExample + ANDROID_SUFFIX + '.js'
);
}
var paths = [];
pathsToCheck.map((p) => {
if (fs.existsSync(p)) {
paths.push(p);
}
});
return paths;
}
function getExamples(componentName, componentPlatform) {
var paths = getExamplePaths(componentName, componentPlatform);
if (paths) {
var examples = [];
paths.map((p) => {
var platform = p.match(/Example\.(.*)\.js$/);
var title = '';
if ((componentPlatform === CROSS_SUFFIX) && (platform !== null)) {
title = platform[1].toUpperCase();
}
examples.push(
{
path: p.replace(/^\.\.\//, ''),
title: title,
content: fs.readFileSync(p).toString(),
}
);
});
return examples;
}
return;
}
// Add methods that should not appear in the components documentation.
const methodsBlacklist = [
// Native methods mixin.
'getInnerViewNode',
'setNativeProps',
// Touchable mixin.
'touchableHandlePress' ,
'touchableHandleActivePressIn',
'touchableHandleActivePressOut',
'touchableHandleLongPress',
'touchableGetPressRectOffset',
'touchableGetHitSlop',
'touchableGetHighlightDelayMS',
'touchableGetLongPressDelayMS',
'touchableGetPressOutDelayMS',
// Scrollable mixin.
'getScrollableNode',
'getScrollResponder',
];
function filterMethods(method) {
return method.name[0] !== '_' && methodsBlacklist.indexOf(method.name) === -1;
}
// Determines whether a component should have a link to a runnable example
function isRunnable(componentName, componentPlatform) {
var paths = getExamplePaths(componentName, componentPlatform);
if (paths && paths.length > 0) {
return true;
} else {
return false;
}
}
// Hide a component from the sidebar by making it return false from
// this function
const HIDDEN_COMPONENTS = [
'Transforms',
'ListViewDataSource',
];
function shouldDisplayInSidebar(componentName) {
return HIDDEN_COMPONENTS.indexOf(componentName) === -1;
}
function getNextComponent(idx) {
if (all[idx + 1]) {
const nextComponentName = getNameFromPath(all[idx + 1]);
if (shouldDisplayInSidebar(nextComponentName)) {
return slugify(nextComponentName);
} else {
return getNextComponent(idx + 1);
}
} else {
return 'network';
}
}
function componentsToMarkdown(type, json, filepath, idx, styles) {
const componentName = getNameFromPath(filepath);
const componentPlatform = getPlatformFromPath(filepath);
const docFilePath = '../docs/' + componentName + '.md';
if (fs.existsSync(docFilePath)) {
json.fullDescription = fs.readFileSync(docFilePath).toString();
}
json.type = type;
json.filepath = filepath.replace(/^\.\.\//, '');
json.componentName = componentName;
json.componentPlatform = componentPlatform;
if (styles) {
json.styles = styles;
}
json.examples = getExamples(componentName, componentPlatform);
if (json.methods) {
json.methods = json.methods.filter(filterMethods);
}
// Put Flexbox into the Polyfills category
const category = (type === 'style' ? 'Polyfills' : type + 's');
const next = getNextComponent(idx);
const res = [
'---',
'id: ' + slugify(componentName),
'title: ' + componentName,
'layout: autodocs',
'category: ' + category,
'permalink: docs/' + slugify(componentName) + '.html',
'platform: ' + componentPlatform,
'next: ' + next,
'sidebar: ' + shouldDisplayInSidebar(componentName),
'runnable:' + isRunnable(componentName, componentPlatform),
'path:' + json.filepath,
'---',
JSON.stringify(json, null, 2),
].filter(function(line) { return line; }).join('\n');
return res;
}
let componentCount;
function renderComponent(filepath) {
const json = docgen.parse(
fs.readFileSync(filepath),
docgenHelpers.findExportedOrFirst,
docgen.defaultHandlers.concat([
docgenHelpers.stylePropTypeHandler,
docgenHelpers.deprecatedPropTypeHandler,
])
);
return componentsToMarkdown('component', json, filepath, componentCount++, styleDocs);
}
function renderAPI(type) {
return function(filepath) {
let json;
try {
json = jsDocs(fs.readFileSync(filepath).toString());
} catch (e) {
console.error('Cannot parse file', filepath, e);
json = {};
}
return componentsToMarkdown(type, json, filepath, componentCount++);
};
}
function renderStyle(filepath) {
const json = docgen.parse(
fs.readFileSync(filepath),
docgenHelpers.findExportedObject,
[docgen.handlers.propTypeHandler]
);
// Remove deprecated transform props from docs
if (filepath === '../Libraries/StyleSheet/TransformPropTypes.js') {
['rotation', 'scaleX', 'scaleY', 'translateX', 'translateY'].forEach(function(key) {
delete json.props[key];
});
}
return componentsToMarkdown('style', json, filepath, componentCount++);
}
const components = [
'../Libraries/Components/ActivityIndicator/ActivityIndicator.js',
'../Libraries/Components/DatePicker/DatePickerIOS.ios.js',
'../Libraries/Components/DrawerAndroid/DrawerLayoutAndroid.android.js',
'../Libraries/Image/Image.ios.js',
'../Libraries/CustomComponents/ListView/ListView.js',
'../Libraries/Components/MapView/MapView.js',
'../Libraries/Modal/Modal.js',
'../Libraries/CustomComponents/Navigator/Navigator.js',
'../Libraries/Components/Navigation/NavigatorIOS.ios.js',
'../Libraries/Components/Picker/PickerIOS.ios.js',
'../Libraries/Components/Picker/Picker.js',
'../Libraries/Components/ProgressBarAndroid/ProgressBarAndroid.android.js',
'../Libraries/Components/ProgressViewIOS/ProgressViewIOS.ios.js',
'../Libraries/Components/RefreshControl/RefreshControl.js',
'../Libraries/Components/ScrollView/ScrollView.js',
'../Libraries/Components/SegmentedControlIOS/SegmentedControlIOS.ios.js',
'../Libraries/Components/Slider/Slider.js',
'../Libraries/Components/SliderIOS/SliderIOS.ios.js',
'../Libraries/Components/StatusBar/StatusBar.js',
'../Libraries/Components/Switch/Switch.js',
'../Libraries/Components/TabBarIOS/TabBarIOS.ios.js',
'../Libraries/Components/TabBarIOS/TabBarItemIOS.ios.js',
'../Libraries/Text/Text.js',
'../Libraries/Components/TextInput/TextInput.js',
'../Libraries/Components/ToolbarAndroid/ToolbarAndroid.android.js',
'../Libraries/Components/Touchable/TouchableHighlight.js',
'../Libraries/Components/Touchable/TouchableNativeFeedback.android.js',
'../Libraries/Components/Touchable/TouchableOpacity.js',
'../Libraries/Components/Touchable/TouchableWithoutFeedback.js',
'../Libraries/Components/View/View.js',
'../Libraries/Components/ViewPager/ViewPagerAndroid.android.js',
'../Libraries/Components/WebView/WebView.ios.js',
];
const apis = [
'../Libraries/ActionSheetIOS/ActionSheetIOS.js',
'../Libraries/Utilities/Alert.js',
'../Libraries/Utilities/AlertIOS.js',
'../Libraries/Animated/src/AnimatedImplementation.js',
'../Libraries/AppRegistry/AppRegistry.js',
'../Libraries/AppState/AppState.js',
'../Libraries/Storage/AsyncStorage.js',
'../Libraries/Utilities/BackAndroid.android.js',
'../Libraries/CameraRoll/CameraRoll.js',
'../Libraries/Components/Clipboard/Clipboard.js',
'../Libraries/Components/DatePickerAndroid/DatePickerAndroid.android.js',
'../Libraries/Utilities/Dimensions.js',
'../Libraries/Components/Intent/IntentAndroid.android.js',
'../Libraries/Interaction/InteractionManager.js',
'../Libraries/LayoutAnimation/LayoutAnimation.js',
'../Libraries/Linking/Linking.js',
'../Libraries/CustomComponents/ListView/ListViewDataSource.js',
'../node_modules/react/lib/NativeMethodsMixin.js',
'../Libraries/Network/NetInfo.js',
'../Libraries/Interaction/PanResponder.js',
'../Libraries/Utilities/PixelRatio.js',
'../Libraries/PushNotificationIOS/PushNotificationIOS.js',
'../Libraries/Components/StatusBar/StatusBarIOS.ios.js',
'../Libraries/StyleSheet/StyleSheet.js',
'../Libraries/Components/TimePickerAndroid/TimePickerAndroid.android.js',
'../Libraries/Components/ToastAndroid/ToastAndroid.android.js',
'../Libraries/Vibration/VibrationIOS.ios.js',
'../Libraries/Vibration/Vibration.js',
];
const stylesWithPermalink = [
'../Libraries/StyleSheet/LayoutPropTypes.js',
'../Libraries/StyleSheet/TransformPropTypes.js',
'../Libraries/Components/View/ShadowPropTypesIOS.js',
];
const stylesForEmbed = [
'../Libraries/Components/View/ViewStylePropTypes.js',
'../Libraries/Text/TextStylePropTypes.js',
'../Libraries/Image/ImageStylePropTypes.js',
];
const polyfills = [
'../Libraries/Geolocation/Geolocation.js',
];
const all = components
.concat(apis)
.concat(stylesWithPermalink)
.concat(polyfills);
const styleDocs = stylesForEmbed.reduce(function(docs, filepath) {
docs[path.basename(filepath).replace(path.extname(filepath), '')] =
docgen.parse(
fs.readFileSync(filepath),
docgenHelpers.findExportedObject,
[
docgen.handlers.propTypeHandler,
docgen.handlers.propTypeCompositionHandler,
docgen.handlers.propDocBlockHandler,
]
);
return docs;
}, {});
module.exports = function() {
componentCount = 0;
return [].concat(
components.map(renderComponent),
apis.map(renderAPI('api')),
stylesWithPermalink.map(renderStyle),
polyfills.map(renderAPI('Polyfill'))
);
};