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