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143 lines
3.6 KiB
143 lines
3.6 KiB
/**
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* Copyright (c) Meta Platforms, Inc. and 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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* @flow strict-local
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* @format
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*/
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'use strict';
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import type {SchemaType} from '../../CodegenSchema.js';
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// $FlowFixMe[untyped-import] there's no flowtype flow-parser
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const flowParser = require('flow-parser');
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const fs = require('fs');
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const path = require('path');
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const {buildComponentSchema} = require('./components');
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const {wrapComponentSchema} = require('./components/schema');
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const {buildModuleSchema} = require('./modules');
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const {wrapModuleSchema} = require('./modules/schema');
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const {
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createParserErrorCapturer,
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visit,
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isModuleRegistryCall,
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} = require('./utils');
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const invariant = require('invariant');
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function getConfigType(
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// TODO(T71778680): Flow-type this node.
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ast: $FlowFixMe,
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): 'module' | 'component' | 'none' {
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let isComponent = false;
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let isModule = false;
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visit(ast, {
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CallExpression(node) {
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if (
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node.callee.type === 'Identifier' &&
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node.callee.name === 'codegenNativeComponent'
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) {
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isComponent = true;
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}
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if (isModuleRegistryCall(node)) {
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isModule = true;
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}
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},
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InterfaceExtends(node) {
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if (node.id.name === 'TurboModule') {
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isModule = true;
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}
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},
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});
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if (isModule && isComponent) {
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throw new Error(
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'Found type extending "TurboModule" and exported "codegenNativeComponent" declaration in one file. Split them into separated files.',
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);
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}
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if (isModule) {
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return 'module';
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} else if (isComponent) {
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return 'component';
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} else {
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return 'none';
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}
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}
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function buildSchema(contents: string, filename: ?string): SchemaType {
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// Early return for non-Spec JavaScript files
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if (
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!contents.includes('codegenNativeComponent') &&
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!contents.includes('TurboModule')
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) {
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return {modules: {}};
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}
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const ast = flowParser.parse(contents);
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const configType = getConfigType(ast);
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switch (configType) {
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case 'component': {
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return wrapComponentSchema(buildComponentSchema(ast));
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}
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case 'module': {
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if (filename === undefined || filename === null) {
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throw new Error('Filepath expected while parasing a module');
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}
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const hasteModuleName = path.basename(filename).replace(/\.js$/, '');
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const [parsingErrors, tryParse] = createParserErrorCapturer();
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const schema = tryParse(() =>
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buildModuleSchema(hasteModuleName, ast, tryParse),
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);
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if (parsingErrors.length > 0) {
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/**
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* TODO(T77968131): We have two options:
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* - Throw the first error, but indicate there are more then one errors.
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* - Display all errors, nicely formatted.
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*
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* For the time being, we're just throw the first error.
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**/
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throw parsingErrors[0];
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}
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invariant(
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schema != null,
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'When there are no parsing errors, the schema should not be null',
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);
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return wrapModuleSchema(schema, hasteModuleName);
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}
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default:
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return {modules: {}};
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}
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}
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function parseFile(filename: string): SchemaType {
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const contents = fs.readFileSync(filename, 'utf8');
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return buildSchema(contents, filename);
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}
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function parseModuleFixture(filename: string): SchemaType {
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const contents = fs.readFileSync(filename, 'utf8');
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return buildSchema(contents, 'path/NativeSampleTurboModule.js');
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}
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function parseString(contents: string, filename: ?string): SchemaType {
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return buildSchema(contents, filename);
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}
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module.exports = {
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parseFile,
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parseModuleFixture,
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parseString,
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};
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