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adds type safe data-last array every function

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This commit is contained in:
Seyi Adebajo 2018-03-12 10:43:52 -07:00
parent 4f4c1eb352
commit a61f707064
1 changed files with 10 additions and 1 deletions
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11
wherehows-web/app/utils/array.ts
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@ -14,6 +14,15 @@ const arrayMap = <T, U>(mappingFunction: (param: T) => U): ((array: Array<T>) =>
const arrayFilter = <T>(filtrationFunction: (param: T) => boolean): ((array: Array<T>) => Array<T>) => (array = []) =>
array.filter(filtrationFunction);
/**
* Typesafe utility `data last` function for array every
* @template T
* @param {(param: T) => boolean} filter
* @returns {((array: Array<T>) => boolean)}
*/
const arrayEvery = <T>(filter: (param: T) => boolean): ((array: Array<T>) => boolean) => (array = []) =>
array.every(filter);
/**
* Composable reducer abstraction, curries a reducing iteratee and returns a reducing function that takes a list
* @template U
@ -42,4 +51,4 @@ const isListUnique = <T>(list: Array<T> = []): boolean => new Set(list).size ===
*/
const compact = <T>(list: Array<T> = []): Array<T> => list.filter(item => item);
export { arrayMap, arrayFilter, arrayReduce, isListUnique, compact };
export { arrayMap, arrayFilter, arrayReduce, isListUnique, compact, arrayEvery };