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Generate Custom Native State (#34796)
Summary: Pull Request resolved: #34796 This diff introduces the generation of custom native states using basic types as we do with the Props. To make it work, the custom types are already writte in the Props.h file, therefore the State.h file must import that other file to have access to the required types. This diff adds and updates the tests for the State. ## Changelog [General][Added] - Generate custom Native State Reviewed By: cortinico Differential Revision: D39816763 fbshipit-source-id: 42d1aa9a6df23145f4a46ae8ccfb43d81fa651fb
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packages/react-native-codegen/src/generators/components/ComponentsGeneratorUtils.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| /** | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| * | ||
| * @flow strict | ||
| * @format | ||
| */ | ||
|
|
||
| 'use strict'; | ||
|
|
||
| import type { | ||
| NamedShape, | ||
| PropTypeAnnotation, | ||
| StateTypeAnnotation, | ||
| } from '../../CodegenSchema'; | ||
|
|
||
| import type { | ||
| StringTypeAnnotation, | ||
| ReservedPropTypeAnnotation, | ||
| ObjectTypeAnnotation, | ||
| Int32TypeAnnotation, | ||
| FloatTypeAnnotation, | ||
| DoubleTypeAnnotation, | ||
| BooleanTypeAnnotation, | ||
| } from '../../CodegenSchema'; | ||
|
|
||
| const { | ||
| convertDefaultTypeToString, | ||
| getCppTypeForAnnotation, | ||
| getEnumMaskName, | ||
| getEnumName, | ||
| generateStructName, | ||
| } = require('./CppHelpers.js'); | ||
|
|
||
| function getNativeTypeFromAnnotation( | ||
| componentName: string, | ||
| prop: | ||
| | NamedShape<PropTypeAnnotation> | ||
| | NamedShape<StateTypeAnnotation> | ||
| | { | ||
| name: string, | ||
| typeAnnotation: | ||
| | $FlowFixMe | ||
| | DoubleTypeAnnotation | ||
| | FloatTypeAnnotation | ||
| | BooleanTypeAnnotation | ||
| | Int32TypeAnnotation | ||
| | StringTypeAnnotation | ||
| | ObjectTypeAnnotation<PropTypeAnnotation> | ||
| | ReservedPropTypeAnnotation | ||
| | { | ||
| +default: string, | ||
| +options: $ReadOnlyArray<string>, | ||
| +type: 'StringEnumTypeAnnotation', | ||
| } | ||
| | { | ||
| +elementType: ObjectTypeAnnotation<PropTypeAnnotation>, | ||
| +type: 'ArrayTypeAnnotation', | ||
| }, | ||
| }, | ||
| nameParts: $ReadOnlyArray<string>, | ||
| ): string { | ||
| const typeAnnotation = prop.typeAnnotation; | ||
| switch (typeAnnotation.type) { | ||
| case 'BooleanTypeAnnotation': | ||
| case 'StringTypeAnnotation': | ||
| case 'Int32TypeAnnotation': | ||
| case 'DoubleTypeAnnotation': | ||
| case 'FloatTypeAnnotation': | ||
| return getCppTypeForAnnotation(typeAnnotation.type); | ||
| case 'ReservedPropTypeAnnotation': | ||
| switch (typeAnnotation.name) { | ||
| case 'ColorPrimitive': | ||
| return 'SharedColor'; | ||
| case 'ImageSourcePrimitive': | ||
| return 'ImageSource'; | ||
| case 'PointPrimitive': | ||
| return 'Point'; | ||
| case 'EdgeInsetsPrimitive': | ||
| return 'EdgeInsets'; | ||
| default: | ||
| (typeAnnotation.name: empty); | ||
| throw new Error('Received unknown ReservedPropTypeAnnotation'); | ||
| } | ||
| case 'ArrayTypeAnnotation': { | ||
| const arrayType = typeAnnotation.elementType.type; | ||
| if (arrayType === 'ArrayTypeAnnotation') { | ||
| return `std::vector<${getNativeTypeFromAnnotation( | ||
| componentName, | ||
| {typeAnnotation: typeAnnotation.elementType, name: ''}, | ||
| nameParts.concat([prop.name]), | ||
| )}>`; | ||
| } | ||
| if (arrayType === 'ObjectTypeAnnotation') { | ||
| const structName = generateStructName( | ||
| componentName, | ||
| nameParts.concat([prop.name]), | ||
| ); | ||
| return `std::vector<${structName}>`; | ||
| } | ||
| if (arrayType === 'StringEnumTypeAnnotation') { | ||
| const enumName = getEnumName(componentName, prop.name); | ||
| return getEnumMaskName(enumName); | ||
| } | ||
| const itemAnnotation = getNativeTypeFromAnnotation( | ||
| componentName, | ||
| { | ||
| typeAnnotation: typeAnnotation.elementType, | ||
| name: componentName, | ||
| }, | ||
| nameParts.concat([prop.name]), | ||
| ); | ||
| return `std::vector<${itemAnnotation}>`; | ||
| } | ||
| case 'ObjectTypeAnnotation': { | ||
| return generateStructName(componentName, nameParts.concat([prop.name])); | ||
| } | ||
| case 'StringEnumTypeAnnotation': | ||
| return getEnumName(componentName, prop.name); | ||
| case 'Int32EnumTypeAnnotation': | ||
| return getEnumName(componentName, prop.name); | ||
| default: | ||
| (typeAnnotation: empty); | ||
| throw new Error( | ||
| `Received invalid typeAnnotation for ${componentName} prop ${prop.name}, received ${typeAnnotation.type}`, | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| function getStateConstituents( | ||
| componentName: string, | ||
| stateShape: NamedShape<StateTypeAnnotation>, | ||
| ): { | ||
| name: string, | ||
| varName: string, | ||
| type: string, | ||
| defaultValue: $FlowFixMe, | ||
| } { | ||
| const name = stateShape.name; | ||
| const varName = `${name}_`; | ||
| const type = getNativeTypeFromAnnotation(componentName, stateShape, []); | ||
| const defaultValue = convertDefaultTypeToString(componentName, stateShape); | ||
|
|
||
| return { | ||
| name, | ||
| varName, | ||
| type, | ||
| defaultValue, | ||
| }; | ||
| } | ||
|
|
||
| module.exports = { | ||
| getNativeTypeFromAnnotation, | ||
| getStateConstituents, | ||
| }; |
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