128 lines
3.3 KiB
JavaScript
128 lines
3.3 KiB
JavaScript
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/**
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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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* @format
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*/
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'use strict';
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const fs = require('fs');
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const mkdirp = require('mkdirp');
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const path = require('path');
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const utils = require('./codegen-utils');
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const RNCodegen = utils.getCodegen();
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const GENERATORS = {
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all: {
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android: ['componentsAndroid', 'modulesAndroid', 'modulesCxx'],
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ios: ['componentsIOS', 'modulesIOS', 'modulesCxx'],
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},
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components: {
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android: ['componentsAndroid'],
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ios: ['componentsIOS'],
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},
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modules: {
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android: ['modulesAndroid', 'modulesCxx'],
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ios: ['modulesIOS', 'modulesCxx'],
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},
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};
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function createOutputDirectoryIfNeeded(outputDirectory, libraryName) {
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if (!outputDirectory) {
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outputDirectory = path.resolve(__dirname, '..', 'Libraries', libraryName);
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}
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mkdirp.sync(outputDirectory);
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}
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function createFolderIfDefined(folder) {
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if (folder) {
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mkdirp.sync(folder);
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}
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}
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/**
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* This function read a JSON schema from a path and parses it.
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* It throws if the schema don't exists or it can't be parsed.
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*
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* @parameter schemaPath: the path to the schema
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* @return a valid schema
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* @throw an Error if the schema doesn't exists in a given path or if it can't be parsed.
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*/
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function readAndParseSchema(schemaPath) {
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const schemaText = fs.readFileSync(schemaPath, 'utf-8');
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if (schemaText == null) {
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throw new Error(`Can't find schema at ${schemaPath}`);
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}
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try {
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return JSON.parse(schemaText);
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} catch (err) {
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throw new Error(`Can't parse schema to JSON. ${schemaPath}`);
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}
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}
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function validateLibraryType(libraryType) {
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if (GENERATORS[libraryType] == null) {
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throw new Error(`Invalid library type. ${libraryType}`);
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}
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}
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function generateSpec(
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platform,
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schemaPath,
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outputDirectory,
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libraryName,
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packageName,
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libraryType,
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) {
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validateLibraryType(libraryType);
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let schema = readAndParseSchema(schemaPath);
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createOutputDirectoryIfNeeded(outputDirectory, libraryName);
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function composePath(intermediate) {
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return path.join(outputDirectory, intermediate, libraryName);
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}
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// These are hardcoded and should not be changed.
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// The codegen creates some C++ code with #include directive
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// which uses these paths. Those directive are not customizable yet.
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createFolderIfDefined(composePath('react/renderer/components/'));
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createFolderIfDefined(composePath('./'));
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RNCodegen.generate(
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{
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libraryName,
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schema,
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outputDirectory,
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packageName,
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},
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{
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generators: GENERATORS[libraryType][platform],
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},
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);
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if (platform === 'android') {
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// Move all components C++ files to a structured jni folder for now.
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// Note: this should've been done by RNCodegen's generators, but:
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// * the generators don't support platform option yet
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// * this subdir structure is Android-only, not applicable to iOS
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const files = fs.readdirSync(outputDirectory);
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const jniOutputDirectory = `${outputDirectory}/jni/react/renderer/components/${libraryName}`;
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mkdirp.sync(jniOutputDirectory);
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files
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.filter(f => f.endsWith('.h') || f.endsWith('.cpp'))
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.forEach(f => {
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fs.renameSync(`${outputDirectory}/${f}`, `${jniOutputDirectory}/${f}`);
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});
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}
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}
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module.exports = {
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execute: generateSpec,
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};
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