554 lines
18 KiB
Plaintext
554 lines
18 KiB
Plaintext
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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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* @flow strict
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* @format
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*/
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'use strict';
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import type {
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Nullable,
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NamedShape,
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SchemaType,
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NativeModulePropertyShape,
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NativeModuleReturnTypeAnnotation,
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NativeModuleFunctionTypeAnnotation,
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NativeModuleParamTypeAnnotation,
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} from '../../CodegenSchema';
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import type {AliasResolver} from './Utils';
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const {createAliasResolver, getModules} = require('./Utils');
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const {unwrapNullable} = require('../../parsers/parsers-commons');
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type FilesOutput = Map<string, string>;
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function FileTemplate(
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config: $ReadOnly<{
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packageName: string,
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className: string,
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jsName: string,
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methods: string,
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imports: string,
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}>,
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): string {
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const {packageName, className, jsName, methods, imports} = config;
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return `
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/**
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* This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
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*
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* Do not edit this file as changes may cause incorrect behavior and will be lost
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* once the code is regenerated.
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*
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* ${'@'}generated by codegen project: GenerateModuleJavaSpec.js
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*
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* ${'@'}nolint
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*/
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package ${packageName};
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${imports}
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public abstract class ${className} extends ReactContextBaseJavaModule implements ReactModuleWithSpec, TurboModule {
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public static final String NAME = "${jsName}";
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public ${className}(ReactApplicationContext reactContext) {
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super(reactContext);
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}
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@Override
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public @Nonnull String getName() {
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return NAME;
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}
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${methods}
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}
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`;
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}
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function MethodTemplate(
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config: $ReadOnly<{
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abstract: boolean,
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methodBody: ?string,
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methodJavaAnnotation: string,
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methodName: string,
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translatedReturnType: string,
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traversedArgs: Array<string>,
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}>,
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): string {
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const {
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abstract,
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methodBody,
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methodJavaAnnotation,
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methodName,
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translatedReturnType,
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traversedArgs,
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} = config;
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const methodQualifier = abstract ? 'abstract ' : '';
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const methodClosing = abstract
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? ';'
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: methodBody != null && methodBody.length > 0
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? ` { ${methodBody} }`
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: ' {}';
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return ` ${methodJavaAnnotation}
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public ${methodQualifier}${translatedReturnType} ${methodName}(${traversedArgs.join(
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', ',
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)})${methodClosing}`;
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}
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type Param = NamedShape<Nullable<NativeModuleParamTypeAnnotation>>;
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function translateFunctionParamToJavaType(
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param: Param,
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createErrorMessage: (typeName: string) => string,
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resolveAlias: AliasResolver,
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imports: Set<string>,
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): string {
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const {optional, typeAnnotation: nullableTypeAnnotation} = param;
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const [typeAnnotation, nullable] =
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unwrapNullable<NativeModuleParamTypeAnnotation>(nullableTypeAnnotation);
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const isRequired = !optional && !nullable;
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function wrapNullable(javaType: string, nullableType?: string) {
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if (!isRequired) {
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imports.add('javax.annotation.Nullable');
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return `@Nullable ${nullableType ?? javaType}`;
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}
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return javaType;
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}
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// FIXME: support class alias for args
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let realTypeAnnotation = typeAnnotation;
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if (realTypeAnnotation.type === 'TypeAliasTypeAnnotation') {
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realTypeAnnotation = resolveAlias(realTypeAnnotation.name);
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}
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switch (realTypeAnnotation.type) {
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case 'ReservedTypeAnnotation':
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switch (realTypeAnnotation.name) {
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case 'RootTag':
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return wrapNullable('double', 'Double');
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default:
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(realTypeAnnotation.name: empty);
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throw new Error(createErrorMessage(realTypeAnnotation.name));
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}
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case 'StringTypeAnnotation':
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return wrapNullable('String');
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case 'NumberTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'FloatTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'DoubleTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'Int32TypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'BooleanTypeAnnotation':
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return wrapNullable('boolean', 'Boolean');
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case 'EnumDeclaration':
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switch (realTypeAnnotation.memberType) {
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case 'NumberTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'StringTypeAnnotation':
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return wrapNullable('String');
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default:
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throw new Error(createErrorMessage(realTypeAnnotation.type));
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}
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case 'UnionTypeAnnotation':
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switch (typeAnnotation.memberType) {
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case 'NumberTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'ObjectTypeAnnotation':
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imports.add('com.facebook.react.bridge.ReadableMap');
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return wrapNullable('ReadableMap');
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case 'StringTypeAnnotation':
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return wrapNullable('String');
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default:
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throw new Error(
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`Unsupported union member returning value, found: ${realTypeAnnotation.memberType}"`,
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);
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}
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case 'ObjectTypeAnnotation':
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imports.add('com.facebook.react.bridge.ReadableMap');
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return wrapNullable('ReadableMap');
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case 'GenericObjectTypeAnnotation':
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// Treat this the same as ObjectTypeAnnotation for now.
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imports.add('com.facebook.react.bridge.ReadableMap');
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return wrapNullable('ReadableMap');
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case 'ArrayTypeAnnotation':
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imports.add('com.facebook.react.bridge.ReadableArray');
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return wrapNullable('ReadableArray');
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case 'FunctionTypeAnnotation':
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imports.add('com.facebook.react.bridge.Callback');
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return wrapNullable('Callback');
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default:
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(realTypeAnnotation.type: 'MixedTypeAnnotation');
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throw new Error(createErrorMessage(realTypeAnnotation.type));
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}
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}
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function translateFunctionReturnTypeToJavaType(
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nullableReturnTypeAnnotation: Nullable<NativeModuleReturnTypeAnnotation>,
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createErrorMessage: (typeName: string) => string,
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resolveAlias: AliasResolver,
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imports: Set<string>,
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): string {
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const [returnTypeAnnotation, nullable] =
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unwrapNullable<NativeModuleReturnTypeAnnotation>(
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nullableReturnTypeAnnotation,
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);
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function wrapNullable(javaType: string, nullableType?: string) {
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if (nullable) {
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imports.add('javax.annotation.Nullable');
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return `@Nullable ${nullableType ?? javaType}`;
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}
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return javaType;
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}
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// FIXME: support class alias for args
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let realTypeAnnotation = returnTypeAnnotation;
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if (realTypeAnnotation.type === 'TypeAliasTypeAnnotation') {
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realTypeAnnotation = resolveAlias(realTypeAnnotation.name);
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}
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switch (realTypeAnnotation.type) {
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case 'ReservedTypeAnnotation':
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switch (realTypeAnnotation.name) {
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case 'RootTag':
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return wrapNullable('double', 'Double');
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default:
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(realTypeAnnotation.name: empty);
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throw new Error(createErrorMessage(realTypeAnnotation.name));
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}
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case 'VoidTypeAnnotation':
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return 'void';
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case 'PromiseTypeAnnotation':
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return 'void';
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case 'StringTypeAnnotation':
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return wrapNullable('String');
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case 'NumberTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'FloatTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'DoubleTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'Int32TypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'BooleanTypeAnnotation':
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return wrapNullable('boolean', 'Boolean');
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case 'EnumDeclaration':
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switch (realTypeAnnotation.memberType) {
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case 'NumberTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'StringTypeAnnotation':
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return wrapNullable('String');
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default:
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throw new Error(createErrorMessage(realTypeAnnotation.type));
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}
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case 'UnionTypeAnnotation':
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switch (realTypeAnnotation.memberType) {
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case 'NumberTypeAnnotation':
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return wrapNullable('double', 'Double');
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case 'ObjectTypeAnnotation':
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imports.add('com.facebook.react.bridge.WritableMap');
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return wrapNullable('WritableMap');
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case 'StringTypeAnnotation':
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return wrapNullable('String');
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default:
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throw new Error(
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`Unsupported union member returning value, found: ${realTypeAnnotation.memberType}"`,
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);
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}
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case 'ObjectTypeAnnotation':
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imports.add('com.facebook.react.bridge.WritableMap');
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return wrapNullable('WritableMap');
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case 'GenericObjectTypeAnnotation':
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imports.add('com.facebook.react.bridge.WritableMap');
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return wrapNullable('WritableMap');
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case 'ArrayTypeAnnotation':
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imports.add('com.facebook.react.bridge.WritableArray');
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return wrapNullable('WritableArray');
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default:
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(realTypeAnnotation.type: 'MixedTypeAnnotation');
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throw new Error(createErrorMessage(realTypeAnnotation.type));
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}
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}
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function getFalsyReturnStatementFromReturnType(
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nullableReturnTypeAnnotation: Nullable<NativeModuleReturnTypeAnnotation>,
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createErrorMessage: (typeName: string) => string,
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resolveAlias: AliasResolver,
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): string {
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const [returnTypeAnnotation, nullable] =
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unwrapNullable<NativeModuleReturnTypeAnnotation>(
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nullableReturnTypeAnnotation,
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);
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let realTypeAnnotation = returnTypeAnnotation;
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if (realTypeAnnotation.type === 'TypeAliasTypeAnnotation') {
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realTypeAnnotation = resolveAlias(realTypeAnnotation.name);
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}
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switch (realTypeAnnotation.type) {
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case 'ReservedTypeAnnotation':
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switch (realTypeAnnotation.name) {
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case 'RootTag':
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return 'return 0.0;';
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default:
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(realTypeAnnotation.name: empty);
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throw new Error(createErrorMessage(realTypeAnnotation.name));
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}
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case 'VoidTypeAnnotation':
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return '';
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case 'PromiseTypeAnnotation':
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return '';
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case 'NumberTypeAnnotation':
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return nullable ? 'return null;' : 'return 0;';
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case 'FloatTypeAnnotation':
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return nullable ? 'return null;' : 'return 0.0;';
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case 'DoubleTypeAnnotation':
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return nullable ? 'return null;' : 'return 0.0;';
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case 'Int32TypeAnnotation':
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return nullable ? 'return null;' : 'return 0;';
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|
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case 'BooleanTypeAnnotation':
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return nullable ? 'return null;' : 'return false;';
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|
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case 'EnumDeclaration':
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switch (realTypeAnnotation.memberType) {
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case 'NumberTypeAnnotation':
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return nullable ? 'return null;' : 'return 0;';
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case 'StringTypeAnnotation':
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return nullable ? 'return null;' : 'return "";';
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|
|
default:
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throw new Error(createErrorMessage(realTypeAnnotation.type));
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}
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|
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case 'UnionTypeAnnotation':
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switch (realTypeAnnotation.memberType) {
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case 'NumberTypeAnnotation':
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return nullable ? 'return null;' : 'return 0;';
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|
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case 'ObjectTypeAnnotation':
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return 'return null;';
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|
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case 'StringTypeAnnotation':
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return nullable ? 'return null;' : 'return "";';
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|
default:
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||
|
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throw new Error(
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|
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`Unsupported union member returning value, found: ${realTypeAnnotation.memberType}"`,
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);
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}
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|
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case 'StringTypeAnnotation':
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return nullable ? 'return null;' : 'return "";';
|
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|
|
case 'ObjectTypeAnnotation':
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|
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return 'return null;';
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|
|
case 'GenericObjectTypeAnnotation':
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|
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return 'return null;';
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case 'ArrayTypeAnnotation':
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return 'return null;';
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|
|
default:
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(realTypeAnnotation.type: 'MixedTypeAnnotation');
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||
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throw new Error(createErrorMessage(realTypeAnnotation.type));
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||
|
|
}
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||
|
|
}
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||
|
|
|
||
|
|
// Build special-cased runtime check for getConstants().
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||
|
|
function buildGetConstantsMethod(
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|
|
method: NativeModulePropertyShape,
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||
|
|
imports: Set<string>,
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|
|
): string {
|
||
|
|
const [methodTypeAnnotation] =
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||
|
|
unwrapNullable<NativeModuleFunctionTypeAnnotation>(method.typeAnnotation);
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||
|
|
if (
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|
methodTypeAnnotation.returnTypeAnnotation.type === 'ObjectTypeAnnotation'
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||
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) {
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||
|
|
const requiredProps = [];
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||
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|
const optionalProps = [];
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||
|
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const rawProperties =
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|
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methodTypeAnnotation.returnTypeAnnotation.properties || [];
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||
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rawProperties.forEach(p => {
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||
|
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if (p.optional || p.typeAnnotation.type === 'NullableTypeAnnotation') {
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optionalProps.push(p.name);
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||
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} else {
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requiredProps.push(p.name);
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||
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}
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});
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||
|
|
if (requiredProps.length === 0 && optionalProps.length === 0) {
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||
|
|
// Nothing to validate during runtime.
|
||
|
|
return '';
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||
|
|
}
|
||
|
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|
||
|
|
imports.add('com.facebook.react.common.build.ReactBuildConfig');
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||
|
|
imports.add('java.util.Arrays');
|
||
|
|
imports.add('java.util.HashSet');
|
||
|
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imports.add('java.util.Map');
|
||
|
|
imports.add('java.util.Set');
|
||
|
|
imports.add('javax.annotation.Nullable');
|
||
|
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|
||
|
|
const requiredPropsFragment =
|
||
|
|
requiredProps.length > 0
|
||
|
|
? `Arrays.asList(
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||
|
|
${requiredProps
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||
|
|
.sort()
|
||
|
|
.map(p => `"${p}"`)
|
||
|
|
.join(',\n ')}
|
||
|
|
)`
|
||
|
|
: '';
|
||
|
|
const optionalPropsFragment =
|
||
|
|
optionalProps.length > 0
|
||
|
|
? `Arrays.asList(
|
||
|
|
${optionalProps
|
||
|
|
.sort()
|
||
|
|
.map(p => `"${p}"`)
|
||
|
|
.join(',\n ')}
|
||
|
|
)`
|
||
|
|
: '';
|
||
|
|
|
||
|
|
return ` protected abstract Map<String, Object> getTypedExportedConstants();
|
||
|
|
|
||
|
|
@Override
|
||
|
|
@DoNotStrip
|
||
|
|
public final @Nullable Map<String, Object> getConstants() {
|
||
|
|
Map<String, Object> constants = getTypedExportedConstants();
|
||
|
|
if (ReactBuildConfig.DEBUG || ReactBuildConfig.IS_INTERNAL_BUILD) {
|
||
|
|
Set<String> obligatoryFlowConstants = new HashSet<>(${requiredPropsFragment});
|
||
|
|
Set<String> optionalFlowConstants = new HashSet<>(${optionalPropsFragment});
|
||
|
|
Set<String> undeclaredConstants = new HashSet<>(constants.keySet());
|
||
|
|
undeclaredConstants.removeAll(obligatoryFlowConstants);
|
||
|
|
undeclaredConstants.removeAll(optionalFlowConstants);
|
||
|
|
if (!undeclaredConstants.isEmpty()) {
|
||
|
|
throw new IllegalStateException(String.format("Native Module Flow doesn't declare constants: %s", undeclaredConstants));
|
||
|
|
}
|
||
|
|
undeclaredConstants = obligatoryFlowConstants;
|
||
|
|
undeclaredConstants.removeAll(constants.keySet());
|
||
|
|
if (!undeclaredConstants.isEmpty()) {
|
||
|
|
throw new IllegalStateException(String.format("Native Module doesn't fill in constants: %s", undeclaredConstants));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return constants;
|
||
|
|
}`;
|
||
|
|
}
|
||
|
|
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
generate(
|
||
|
|
libraryName: string,
|
||
|
|
schema: SchemaType,
|
||
|
|
packageName?: string,
|
||
|
|
assumeNonnull: boolean = false,
|
||
|
|
): FilesOutput {
|
||
|
|
const files = new Map<string, string>();
|
||
|
|
const nativeModules = getModules(schema);
|
||
|
|
|
||
|
|
const normalizedPackageName =
|
||
|
|
packageName == null ? 'com.facebook.fbreact.specs' : packageName;
|
||
|
|
const outputDir = `java/${normalizedPackageName.replace(/\./g, '/')}`;
|
||
|
|
|
||
|
|
Object.keys(nativeModules).forEach(hasteModuleName => {
|
||
|
|
const {
|
||
|
|
aliasMap,
|
||
|
|
excludedPlatforms,
|
||
|
|
moduleName,
|
||
|
|
spec: {properties},
|
||
|
|
} = nativeModules[hasteModuleName];
|
||
|
|
if (excludedPlatforms != null && excludedPlatforms.includes('android')) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
const resolveAlias = createAliasResolver(aliasMap);
|
||
|
|
const className = `${hasteModuleName}Spec`;
|
||
|
|
|
||
|
|
const imports: Set<string> = new Set([
|
||
|
|
// Always required.
|
||
|
|
'com.facebook.react.bridge.ReactApplicationContext',
|
||
|
|
'com.facebook.react.bridge.ReactContextBaseJavaModule',
|
||
|
|
'com.facebook.react.bridge.ReactMethod',
|
||
|
|
'com.facebook.react.bridge.ReactModuleWithSpec',
|
||
|
|
'com.facebook.react.turbomodule.core.interfaces.TurboModule',
|
||
|
|
'com.facebook.proguard.annotations.DoNotStrip',
|
||
|
|
'javax.annotation.Nonnull',
|
||
|
|
]);
|
||
|
|
|
||
|
|
const methods = properties.map(method => {
|
||
|
|
if (method.name === 'getConstants') {
|
||
|
|
return buildGetConstantsMethod(method, imports);
|
||
|
|
}
|
||
|
|
|
||
|
|
const [methodTypeAnnotation] =
|
||
|
|
unwrapNullable<NativeModuleFunctionTypeAnnotation>(
|
||
|
|
method.typeAnnotation,
|
||
|
|
);
|
||
|
|
|
||
|
|
// Handle return type
|
||
|
|
const translatedReturnType = translateFunctionReturnTypeToJavaType(
|
||
|
|
methodTypeAnnotation.returnTypeAnnotation,
|
||
|
|
typeName =>
|
||
|
|
`Unsupported return type for method ${method.name}. Found: ${typeName}`,
|
||
|
|
resolveAlias,
|
||
|
|
imports,
|
||
|
|
);
|
||
|
|
const returningPromise =
|
||
|
|
methodTypeAnnotation.returnTypeAnnotation.type ===
|
||
|
|
'PromiseTypeAnnotation';
|
||
|
|
const isSyncMethod =
|
||
|
|
methodTypeAnnotation.returnTypeAnnotation.type !==
|
||
|
|
'VoidTypeAnnotation' && !returningPromise;
|
||
|
|
|
||
|
|
// Handle method args
|
||
|
|
const traversedArgs = methodTypeAnnotation.params.map(param => {
|
||
|
|
const translatedParam = translateFunctionParamToJavaType(
|
||
|
|
param,
|
||
|
|
typeName =>
|
||
|
|
`Unsupported type for param "${param.name}" in ${method.name}. Found: ${typeName}`,
|
||
|
|
resolveAlias,
|
||
|
|
imports,
|
||
|
|
);
|
||
|
|
return `${translatedParam} ${param.name}`;
|
||
|
|
});
|
||
|
|
|
||
|
|
if (returningPromise) {
|
||
|
|
// Promise return type requires an extra arg at the end.
|
||
|
|
imports.add('com.facebook.react.bridge.Promise');
|
||
|
|
traversedArgs.push('Promise promise');
|
||
|
|
}
|
||
|
|
|
||
|
|
const methodJavaAnnotation = `@ReactMethod${
|
||
|
|
isSyncMethod ? '(isBlockingSynchronousMethod = true)' : ''
|
||
|
|
}\n @DoNotStrip`;
|
||
|
|
const methodBody = method.optional
|
||
|
|
? getFalsyReturnStatementFromReturnType(
|
||
|
|
methodTypeAnnotation.returnTypeAnnotation,
|
||
|
|
typeName =>
|
||
|
|
`Cannot build falsy return statement for return type for method ${method.name}. Found: ${typeName}`,
|
||
|
|
resolveAlias,
|
||
|
|
)
|
||
|
|
: null;
|
||
|
|
return MethodTemplate({
|
||
|
|
abstract: !method.optional,
|
||
|
|
methodBody,
|
||
|
|
methodJavaAnnotation,
|
||
|
|
methodName: method.name,
|
||
|
|
translatedReturnType,
|
||
|
|
traversedArgs,
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
files.set(
|
||
|
|
`${outputDir}/${className}.java`,
|
||
|
|
FileTemplate({
|
||
|
|
packageName: normalizedPackageName,
|
||
|
|
className,
|
||
|
|
jsName: moduleName,
|
||
|
|
methods: methods.filter(Boolean).join('\n\n'),
|
||
|
|
imports: Array.from(imports)
|
||
|
|
.sort()
|
||
|
|
.map(p => `import ${p};`)
|
||
|
|
.join('\n'),
|
||
|
|
}),
|
||
|
|
);
|
||
|
|
});
|
||
|
|
|
||
|
|
return files;
|
||
|
|
},
|
||
|
|
};
|