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/**
* 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.
*
* @format
*
*/
'use strict';
const _require = require('./errors'),
MissingTypeParameterGenericParserError =
_require.MissingTypeParameterGenericParserError,
MoreThanOneTypeParameterGenericParserError =
_require.MoreThanOneTypeParameterGenericParserError,
UnsupportedUnionTypeAnnotationParserError =
_require.UnsupportedUnionTypeAnnotationParserError;
const _require2 = require('./errors'),
UnsupportedObjectPropertyTypeAnnotationParserError =
_require2.UnsupportedObjectPropertyTypeAnnotationParserError;
const invariant = require('invariant');
const _require3 = require('./errors'),
UnsupportedEnumDeclarationParserError =
_require3.UnsupportedEnumDeclarationParserError,
UnsupportedGenericParserError = _require3.UnsupportedGenericParserError;
function wrapModuleSchema(nativeModuleSchema, hasteModuleName) {
return {
modules: {
[hasteModuleName]: nativeModuleSchema,
},
};
}
function unwrapNullable(x) {
if (x.type === 'NullableTypeAnnotation') {
return [x.typeAnnotation, true];
}
return [x, false];
}
function wrapNullable(nullable, typeAnnotation) {
if (!nullable) {
return typeAnnotation;
}
return {
type: 'NullableTypeAnnotation',
typeAnnotation,
};
}
function assertGenericTypeAnnotationHasExactlyOneTypeParameter(
moduleName,
/**
* TODO(T108222691): Use flow-types for @babel/parser
*/
typeAnnotation,
language,
) {
if (typeAnnotation.typeParameters == null) {
throw new MissingTypeParameterGenericParserError(
moduleName,
typeAnnotation,
language,
);
}
const typeAnnotationType =
language === 'TypeScript'
? 'TSTypeParameterInstantiation'
: 'TypeParameterInstantiation';
invariant(
typeAnnotation.typeParameters.type === typeAnnotationType,
`assertGenericTypeAnnotationHasExactlyOneTypeParameter: Type parameters must be an AST node of type '${typeAnnotationType}'`,
);
if (typeAnnotation.typeParameters.params.length !== 1) {
throw new MoreThanOneTypeParameterGenericParserError(
moduleName,
typeAnnotation,
language,
);
}
}
function emitMixedTypeAnnotation(nullable) {
return wrapNullable(nullable, {
type: 'MixedTypeAnnotation',
});
}
function remapUnionTypeAnnotationMemberNames(types, language) {
const remapLiteral = item => {
if (language === 'Flow') {
return item.type
.replace('NumberLiteralTypeAnnotation', 'NumberTypeAnnotation')
.replace('StringLiteralTypeAnnotation', 'StringTypeAnnotation');
}
return item.literal
? item.literal.type
.replace('NumericLiteral', 'NumberTypeAnnotation')
.replace('StringLiteral', 'StringTypeAnnotation')
: 'ObjectTypeAnnotation';
};
return types
.map(remapLiteral)
.filter((value, index, self) => self.indexOf(value) === index);
}
function emitUnionTypeAnnotation(
nullable,
hasteModuleName,
typeAnnotation,
language,
) {
const unionTypes = remapUnionTypeAnnotationMemberNames(
typeAnnotation.types,
language,
);
// Only support unionTypes of the same kind
if (unionTypes.length > 1) {
throw new UnsupportedUnionTypeAnnotationParserError(
hasteModuleName,
typeAnnotation,
unionTypes,
language,
);
}
return wrapNullable(nullable, {
type: 'UnionTypeAnnotation',
memberType: unionTypes[0],
});
}
function translateDefault(
hasteModuleName,
typeAnnotation,
types,
nullable,
parser,
) {
const maybeEnumDeclaration =
types[parser.nameForGenericTypeAnnotation(typeAnnotation)];
if (maybeEnumDeclaration && parser.isEnumDeclaration(maybeEnumDeclaration)) {
const memberType = parser.getMaybeEnumMemberType(maybeEnumDeclaration);
if (
memberType === 'NumberTypeAnnotation' ||
memberType === 'StringTypeAnnotation'
) {
return wrapNullable(nullable, {
type: 'EnumDeclaration',
memberType: memberType,
});
} else {
throw new UnsupportedEnumDeclarationParserError(
hasteModuleName,
typeAnnotation,
memberType,
parser.language(),
);
}
}
throw new UnsupportedGenericParserError(
hasteModuleName,
typeAnnotation,
parser,
);
}
function getKeyName(propertyOrIndex, hasteModuleName, language) {
var _propertyOrIndex$id$n, _propertyOrIndex$id;
switch (propertyOrIndex.type) {
case 'ObjectTypeProperty':
case 'TSPropertySignature':
return propertyOrIndex.key.name;
case 'ObjectTypeIndexer':
// flow index name is optional
return (_propertyOrIndex$id$n =
(_propertyOrIndex$id = propertyOrIndex.id) === null ||
_propertyOrIndex$id === void 0
? void 0
: _propertyOrIndex$id.name) !== null &&
_propertyOrIndex$id$n !== void 0
? _propertyOrIndex$id$n
: 'key';
case 'TSIndexSignature':
// TypeScript index name is mandatory
return propertyOrIndex.parameters[0].name;
default:
throw new UnsupportedObjectPropertyTypeAnnotationParserError(
hasteModuleName,
propertyOrIndex,
propertyOrIndex.type,
language,
);
}
}
module.exports = {
wrapModuleSchema,
unwrapNullable,
wrapNullable,
assertGenericTypeAnnotationHasExactlyOneTypeParameter,
emitMixedTypeAnnotation,
emitUnionTypeAnnotation,
getKeyName,
translateDefault,
};