125 lines
2.9 KiB
Plaintext
125 lines
2.9 KiB
Plaintext
/**
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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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NamedShape,
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CommandTypeAnnotation,
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} from '../../../CodegenSchema.js';
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import type {TypeDeclarationMap} from '../../utils';
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const {getValueFromTypes} = require('../utils.js');
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// $FlowFixMe[unclear-type] there's no flowtype for ASTs
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type EventTypeAST = Object;
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function buildCommandSchema(property: EventTypeAST, types: TypeDeclarationMap) {
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const name = property.key.name;
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const optional = property.optional;
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const value = getValueFromTypes(property.value, types);
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const firstParam = value.params[0].typeAnnotation;
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if (
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!(
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firstParam.id != null &&
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firstParam.id.type === 'QualifiedTypeIdentifier' &&
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firstParam.id.qualification.name === 'React' &&
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firstParam.id.id.name === 'ElementRef'
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)
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) {
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throw new Error(
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`The first argument of method ${name} must be of type React.ElementRef<>`,
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);
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}
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const params = value.params.slice(1).map(param => {
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const paramName = param.name.name;
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const paramValue = getValueFromTypes(param.typeAnnotation, types);
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const type =
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paramValue.type === 'GenericTypeAnnotation'
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? paramValue.id.name
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: paramValue.type;
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let returnType;
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switch (type) {
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case 'RootTag':
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returnType = {
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type: 'ReservedTypeAnnotation',
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name: 'RootTag',
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};
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break;
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case 'BooleanTypeAnnotation':
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returnType = {
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type: 'BooleanTypeAnnotation',
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};
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break;
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case 'Int32':
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returnType = {
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type: 'Int32TypeAnnotation',
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};
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break;
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case 'Double':
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returnType = {
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type: 'DoubleTypeAnnotation',
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};
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break;
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case 'Float':
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returnType = {
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type: 'FloatTypeAnnotation',
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};
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break;
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case 'StringTypeAnnotation':
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returnType = {
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type: 'StringTypeAnnotation',
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};
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break;
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default:
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(type: empty);
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throw new Error(
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`Unsupported param type for method "${name}", param "${paramName}". Found ${type}`,
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);
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}
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return {
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name: paramName,
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optional: false,
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typeAnnotation: returnType,
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};
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});
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return {
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name,
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optional,
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typeAnnotation: {
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type: 'FunctionTypeAnnotation',
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params,
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returnTypeAnnotation: {
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type: 'VoidTypeAnnotation',
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},
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},
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};
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}
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function getCommands(
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commandTypeAST: $ReadOnlyArray<EventTypeAST>,
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types: TypeDeclarationMap,
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): $ReadOnlyArray<NamedShape<CommandTypeAnnotation>> {
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return commandTypeAST
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.filter(property => property.type === 'ObjectTypeProperty')
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.map(property => buildCommandSchema(property, types))
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.filter(Boolean);
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}
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module.exports = {
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getCommands,
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};
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