%PDF-
%PDF-
Mini Shell
Mini Shell
import { deepEqual, sameValueZeroEqual, shallowEqual } from 'fast-equals';
import { createGetInitialArgs } from './maxArgs';
import { getIsSerializedKeyEqual, getSerializerFunction } from './serialize';
import { compose } from './utils';
import type {
Cache,
IsEqual,
IsMatchingKey,
MicroMemoizeOptions,
Moized,
OnCacheOperation,
Options,
TransformKey,
} from '../index.d';
export function createOnCacheOperation(
fn?: OnCacheOperation
): OnCacheOperation {
if (typeof fn === 'function') {
return (
_cacheIgnored: Cache,
_microMemoizeOptionsIgnored: MicroMemoizeOptions,
memoized: Moized
): void => fn(memoized.cache, memoized.options, memoized);
}
}
/**
* @private
*
* @description
* get the isEqual method passed to micro-memoize
*
* @param options the options passed to the moizer
* @returns the isEqual method to apply
*/
export function getIsEqual(options: Options): IsEqual {
return (
options.matchesArg ||
(options.isDeepEqual && deepEqual) ||
(options.isShallowEqual && shallowEqual) ||
sameValueZeroEqual
);
}
/**
* @private
*
* @description
* get the isEqual method passed to micro-memoize
*
* @param options the options passed to the moizer
* @returns the isEqual method to apply
*/
export function getIsMatchingKey(options: Options): IsMatchingKey | undefined {
return (
options.matchesKey ||
(options.isSerialized && getIsSerializedKeyEqual) ||
undefined
);
}
/**
* @private
*
* @description
* get the function that will transform the key based on the arguments passed
*
* @param options the options passed to the moizer
* @returns the function to transform the key with
*/
export function getTransformKey(options: Options): TransformKey | undefined {
return compose(
options.isSerialized && getSerializerFunction(options),
typeof options.transformArgs === 'function' && options.transformArgs,
typeof options.maxArgs === 'number' &&
createGetInitialArgs(options.maxArgs)
) as TransformKey;
}
Zerion Mini Shell 1.0