fast-equals
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A blazing fast equality comparison, either shallow or deep
27 lines (26 loc) • 1.59 kB
TypeScript
import type { ComparatorConfig, CreateState, CustomEqualCreatorOptions, EqualityComparator, InternalEqualityComparator } from './internalTypes.js';
interface CreateIsEqualOptions<Meta> {
circular: boolean;
comparator: EqualityComparator<Meta>;
createState: CreateState<Meta> | undefined;
equals: InternalEqualityComparator<Meta>;
strict: boolean;
}
/**
* Create a comparator method based on the type-specific equality comparators passed.
*/
export declare function createEqualityComparator<Meta>({ areArrayBuffersEqual, areArraysEqual, areDataViewsEqual, areDatesEqual, areErrorsEqual, areFunctionsEqual, areMapsEqual, areNumbersEqual, areObjectsEqual, arePrimitiveWrappersEqual, areRegExpsEqual, areSetsEqual, areTypedArraysEqual, areUrlsEqual, unknownTagComparators, }: ComparatorConfig<Meta>): EqualityComparator<Meta>;
/**
* Create the configuration object used for building comparators.
*/
export declare function createEqualityComparatorConfig<Meta>({ circular, createCustomConfig, strict, }: CustomEqualCreatorOptions<Meta>): ComparatorConfig<Meta>;
/**
* Default equality comparator pass-through, used as the standard `isEqual` creator for
* use inside the built comparator.
*/
export declare function createInternalEqualityComparator<Meta>(compare: EqualityComparator<Meta>): InternalEqualityComparator<Meta>;
/**
* Create the `isEqual` function used by the consuming application.
*/
export declare function createIsEqual<Meta>({ circular, comparator, createState, equals, strict }: CreateIsEqualOptions<Meta>): <A, B>(a: A, b: B) => boolean;
export {};