58 lines
2.2 KiB
Plaintext
58 lines
2.2 KiB
Plaintext
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import * as ts from 'typescript';
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export interface IsNullableTypeOptions {
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/**
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* @deprecated - this flag no longer does anything and will be removed in the next major
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*/
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isReceiver?: boolean;
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/**
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* @deprecated - this flag no longer does anything and will be removed in the next major
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*/
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allowUndefined?: boolean;
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}
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/**
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* Checks if the given type is (or accepts) nullable
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*/
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export declare function isNullableType(type: ts.Type, _deprecated?: IsNullableTypeOptions): boolean;
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/**
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* Checks if the given type is either an array type,
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* or a union made up solely of array types.
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*/
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export declare function isTypeArrayTypeOrUnionOfArrayTypes(type: ts.Type, checker: ts.TypeChecker): boolean;
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/**
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* @returns true if the type is `never`
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*/
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export declare function isTypeNeverType(type: ts.Type): boolean;
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/**
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* @returns true if the type is `unknown`
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*/
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export declare function isTypeUnknownType(type: ts.Type): boolean;
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export declare function isTypeReferenceType(type: ts.Type): type is ts.TypeReference;
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/**
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* @returns true if the type is `any`
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*/
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export declare function isTypeAnyType(type: ts.Type): boolean;
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/**
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* @returns true if the type is `any[]`
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*/
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export declare function isTypeAnyArrayType(type: ts.Type, checker: ts.TypeChecker): boolean;
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/**
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* @returns true if the type is `unknown[]`
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*/
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export declare function isTypeUnknownArrayType(type: ts.Type, checker: ts.TypeChecker): boolean;
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export declare enum AnyType {
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Any = 0,
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AnyArray = 1,
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Safe = 2
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}
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/**
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* @returns `AnyType.Any` if the type is `any`, `AnyType.AnyArray` if the type is `any[]` or `readonly any[]`,
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* otherwise it returns `AnyType.Safe`.
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*/
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export declare function isAnyOrAnyArrayTypeDiscriminated(node: ts.Node, checker: ts.TypeChecker): AnyType;
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/**
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* @returns Whether a type is an instance of the parent type, including for the parent's base types.
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*/
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export declare function typeIsOrHasBaseType(type: ts.Type, parentType: ts.Type): boolean;
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export declare function isTypeBigIntLiteralType(type: ts.Type): type is ts.BigIntLiteralType;
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export declare function isTypeTemplateLiteralType(type: ts.Type): type is ts.TemplateLiteralType;
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//# sourceMappingURL=predicates.d.ts.map
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