mirror of
https://github.com/microsoft/playwright.git
synced 2024-12-15 22:22:53 +03:00
254 lines
9.3 KiB
JavaScript
254 lines
9.3 KiB
JavaScript
/**
|
|
* Copyright 2019 Google Inc. All rights reserved.
|
|
* Modifications copyright (c) Microsoft Corporation.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
const ts = require('typescript');
|
|
const path = require('path');
|
|
const Documentation = require('./Documentation');
|
|
const EventEmitter = require('events');
|
|
module.exports = { checkSources, expandPrefix };
|
|
|
|
/**
|
|
* @param {!Array<!import('../Source')>} sources
|
|
*/
|
|
function checkSources(sources) {
|
|
// special treatment for Events.js
|
|
const classEvents = new Map();
|
|
const eventsSources = sources.filter(source => source.name().startsWith('events.ts'));
|
|
for (const eventsSource of eventsSources) {
|
|
const {Events} = require(eventsSource.filePath().endsWith('.js') ? eventsSource.filePath() : eventsSource.filePath().replace('/src/', '/lib/').replace('.ts', '.js'));
|
|
for (const [className, events] of Object.entries(Events))
|
|
classEvents.set(className, Array.from(Object.values(events)).filter(e => typeof e === 'string').map(e => Documentation.Member.createEvent(e)));
|
|
}
|
|
|
|
const excludeClasses = new Set([]);
|
|
const program = ts.createProgram({
|
|
options: {
|
|
allowJs: true,
|
|
target: ts.ScriptTarget.ESNext,
|
|
},
|
|
rootNames: sources.map(source => source.filePath())
|
|
});
|
|
const checker = program.getTypeChecker();
|
|
const sourceFiles = program.getSourceFiles();
|
|
/** @type {!Array<!Documentation.Class>} */
|
|
const classes = [];
|
|
/** @type {!Map<string, string>} */
|
|
const inheritance = new Map();
|
|
sourceFiles.filter(x => !x.fileName.includes('node_modules')).map(x => visit(x));
|
|
const errors = [];
|
|
const documentation = new Documentation(recreateClassesWithInheritance(classes, inheritance));
|
|
|
|
return {errors, documentation};
|
|
|
|
/**
|
|
* @param {!Array<!Documentation.Class>} classes
|
|
* @param {!Map<string, string>} inheritance
|
|
* @return {!Array<!Documentation.Class>}
|
|
*/
|
|
function recreateClassesWithInheritance(classes, inheritance) {
|
|
const classesByName = new Map(classes.map(cls => [cls.name, cls]));
|
|
return classes.map(cls => {
|
|
const membersMap = new Map();
|
|
for (let wp = cls; wp; wp = classesByName.get(inheritance.get(wp.name))) {
|
|
for (const member of wp.membersArray) {
|
|
// Member was overridden.
|
|
const memberId = member.kind + ':' + member.name;
|
|
if (membersMap.has(memberId))
|
|
continue;
|
|
membersMap.set(memberId, member);
|
|
}
|
|
}
|
|
return new Documentation.Class(expandPrefix(cls.name), Array.from(membersMap.values()));
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {!ts.Node} node
|
|
*/
|
|
function visit(node) {
|
|
if (ts.isClassDeclaration(node) || ts.isClassExpression(node)) {
|
|
const symbol = node.name ? checker.getSymbolAtLocation(node.name) : node.symbol;
|
|
let className = symbol.getName();
|
|
|
|
if (className === '__class') {
|
|
let parent = node;
|
|
while (parent.parent)
|
|
parent = parent.parent;
|
|
className = path.basename(parent.fileName, '.js');
|
|
}
|
|
if (className && !excludeClasses.has(className)) {
|
|
classes.push(serializeClass(className, symbol, node));
|
|
const parentClassName = parentClass(node);
|
|
if (parentClassName)
|
|
inheritance.set(className, parentClassName);
|
|
excludeClasses.add(className);
|
|
}
|
|
}
|
|
ts.forEachChild(node, visit);
|
|
}
|
|
|
|
function parentClass(classNode) {
|
|
for (const herigateClause of classNode.heritageClauses || []) {
|
|
for (const heritageType of herigateClause.types) {
|
|
let expression = heritageType.expression;
|
|
if (expression.kind === ts.SyntaxKind.PropertyAccessExpression)
|
|
expression = expression.name;
|
|
if (classNode.name.escapedText !== expression.escapedText)
|
|
return expression.escapedText;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function serializeSymbol(symbol, circular = []) {
|
|
const type = checker.getTypeOfSymbolAtLocation(symbol, symbol.valueDeclaration);
|
|
const name = symbol.getName();
|
|
if (symbol.valueDeclaration && symbol.valueDeclaration.dotDotDotToken) {
|
|
const innerType = serializeType(type.typeArguments ? type.typeArguments[0] : type, circular);
|
|
innerType.name = '...' + innerType.name;
|
|
return Documentation.Member.createProperty('...' + name, innerType);
|
|
}
|
|
return Documentation.Member.createProperty(name, serializeType(type, circular));
|
|
}
|
|
|
|
/**
|
|
* @param {!ts.ObjectType} type
|
|
*/
|
|
function isRegularObject(type) {
|
|
if (type.isIntersection())
|
|
return true;
|
|
if (!type.objectFlags)
|
|
return false;
|
|
if (!('aliasSymbol' in type))
|
|
return false;
|
|
if (type.getConstructSignatures().length)
|
|
return false;
|
|
if (type.getCallSignatures().length)
|
|
return false;
|
|
if (type.isUnion())
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param {!ts.Type} type
|
|
* @return {!Documentation.Type}
|
|
*/
|
|
function serializeType(type, circular = []) {
|
|
let typeName = checker.typeToString(type);
|
|
if (typeName === 'any' || typeName === '{ [x: string]: string; }')
|
|
typeName = 'Object';
|
|
const nextCircular = [typeName].concat(circular);
|
|
|
|
if (typeName === 'Selector') {
|
|
if (!excludeClasses.has(typeName)) {
|
|
const properties = type.getProperties().map(property => serializeSymbol(property, nextCircular));
|
|
classes.push(new Documentation.Class(typeName, properties));
|
|
excludeClasses.add(typeName);
|
|
}
|
|
return new Documentation.Type(typeName, []);
|
|
}
|
|
|
|
if (isRegularObject(type)) {
|
|
let properties = undefined;
|
|
if (!circular.includes(typeName))
|
|
properties = type.getProperties().map(property => serializeSymbol(property, nextCircular));
|
|
return new Documentation.Type('Object', properties);
|
|
}
|
|
if (type.isUnion() && (typeName.includes('|') || type.types.every(type => type.isStringLiteral() || type.intrinsicName === 'number'))) {
|
|
const types = type.types.map(type => serializeType(type, circular));
|
|
const name = types.map(type => type.name).join('|');
|
|
const properties = [].concat(...types.map(type => type.properties));
|
|
return new Documentation.Type(name.replace(/false\|true/g, 'boolean'), properties);
|
|
}
|
|
if (type.typeArguments && type.symbol) {
|
|
const properties = [];
|
|
const innerTypeNames = [];
|
|
for (const typeArgument of type.typeArguments) {
|
|
const innerType = serializeType(typeArgument, nextCircular);
|
|
if (innerType.properties)
|
|
properties.push(...innerType.properties);
|
|
innerTypeNames.push(innerType.name);
|
|
}
|
|
if (innerTypeNames.length === 1 && innerTypeNames[0] === 'void')
|
|
return new Documentation.Type(type.symbol.name);
|
|
return new Documentation.Type(`${type.symbol.name}<${innerTypeNames.join(', ')}>`, properties);
|
|
}
|
|
return new Documentation.Type(typeName, []);
|
|
}
|
|
|
|
/**
|
|
* @param {string} className
|
|
* @param {!ts.Symbol} symbol
|
|
* @return {}
|
|
*/
|
|
function serializeClass(className, symbol, node) {
|
|
/** @type {!Array<!Documentation.Member>} */
|
|
const members = classEvents.get(className) || [];
|
|
for (const [name, member] of symbol.members || []) {
|
|
if (name.startsWith('_'))
|
|
continue;
|
|
if (EventEmitter.prototype.hasOwnProperty(name))
|
|
continue;
|
|
if (className === 'CDPSession' && name === 'send') {
|
|
// special case CDPSession.send, which has a stricter private API than the public API
|
|
members.push(Documentation.Member.createMethod('send', [
|
|
Documentation.Member.createProperty('method', new Documentation.Type('string')),
|
|
Documentation.Member.createProperty('params', new Documentation.Type('Object')),
|
|
], new Documentation.Type('Promise<Object>')));
|
|
continue;
|
|
}
|
|
const memberType = checker.getTypeOfSymbolAtLocation(member, member.valueDeclaration);
|
|
const signature = memberType.getCallSignatures()[0];
|
|
if (signature)
|
|
members.push(serializeSignature(name, signature));
|
|
else
|
|
members.push(serializeProperty(name, memberType));
|
|
}
|
|
|
|
return new Documentation.Class(className, members);
|
|
}
|
|
|
|
/**
|
|
* @param {string} name
|
|
* @param {!ts.Signature} signature
|
|
*/
|
|
function serializeSignature(name, signature) {
|
|
const parameters = signature.parameters.map(s => serializeSymbol(s));
|
|
const returnType = serializeType(signature.getReturnType());
|
|
return Documentation.Member.createMethod(name, parameters, returnType.name !== 'void' ? returnType : null);
|
|
}
|
|
|
|
/**
|
|
* @param {string} name
|
|
* @param {!ts.Type} type
|
|
*/
|
|
function serializeProperty(name, type) {
|
|
return Documentation.Member.createProperty(name, serializeType(type));
|
|
}
|
|
}
|
|
|
|
function expandPrefix(name) {
|
|
if (name.startsWith('CR'))
|
|
return 'Chromium' + name.substring(2);
|
|
if (name.startsWith('FF'))
|
|
return 'Firefox' + name.substring(2);
|
|
if (name.startsWith('WK'))
|
|
return 'WebKit' + name.substring(2);
|
|
return name;
|
|
}
|