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@common-utilities/compose

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@common-utilities/compose - npm Package Compare versions

Comparing version 0.0.1 to 0.0.4

src/index.test.ts

3

dist/index.d.ts

@@ -10,2 +10,3 @@ /**

*/
export declare const compose: (...fns: any[]) => (patchedValue: any) => any;
export declare const compose: (...fns: unknown[]) => (patchedValue: unknown) => unknown;
export default compose;

@@ -13,2 +13,3 @@ "use strict";

exports.compose = (...fns) => (patchedValue) => fns.reduceRight((fnVal, fn) => fn(fnVal), patchedValue);
exports.default = exports.compose;
//# sourceMappingURL=index.js.map
{
"name": "@common-utilities/compose",
"version": "0.0.1",
"description": "A basic implementation of the common utility function, Compose",
"version": "0.0.4",
"description": "A basic implementation of the common utility function, Compose 🚂",
"main": "dist/index.js",
"module": "dist/index.js",
"typings": "dist/index.d.ts",
"license": "MIT",

@@ -19,3 +21,18 @@ "publishConfig": {

},
"gitHead": "77dbb6ad0f4a0bd139159fec0c32f04b46422198"
"jest": {
"name": "@common-utilities/compose",
"projects": [
"<rootDir>/packages/*"
],
"resetMocks": true,
"rootDir": "./",
"roots": [
"<rootDir>/src"
],
"testEnvironment": "node",
"transform": {
"^.+\\.(ts)$": "ts-jest"
}
},
"gitHead": "6a7e5b4c5a9cee469b6da45ab024189c2ba60447"
}

@@ -1,16 +0,32 @@

# @common-utilities/compose
# @common-utilities/compose 🧰 🚂
A common function that take the output from one function and automatically patches it to the input of the next function until it spits out the final value.
A common function composed of function arguments which returns their value to the next function until returning a final value.
## Install
```bash
yarn add @common-utilities/compose -D
```
## Function
```javascript
const compose = (...fns) => patchedValue =>
fns.reduceRight((fnVal, fn) => fn(fnVal), patchedValue);
const compose = (...fns) => (val) => fns.reduceRight((fnVal, fn) => fn(fnVal), val)
```
```typescript
const compose = (...fns: Function[]) => (val: any) => fns.reduceRight((fnVal: any, fn: Function) => fn(fnVal), val)
```
## Usage
```javascript
compose(add(2), subtract(3), multiple(5));
const add1 = (val = val + 1)
const subtract2 = (val = val - 2)
const multiplyBy3 = (val = val * 3)
compose(add1, subtract2, multiplyBy3)
```
---
View other [common utilities](../../README.md).

@@ -7,7 +7,9 @@ /**

* until it spits out the final value
* ----
* @param {fns} an array of functions
* @returns the next/final value
*/
export const compose = (...fns: any[]) =>
(patchedValue: any) =>
fns.reduceRight((fnVal: any, fn: any) => fn(fnVal), patchedValue)
export const compose = (...fns: unknown[]) => (patchedValue: unknown): unknown =>
fns.reduceRight((fnVal: unknown, fn: Function) => fn(fnVal), patchedValue)
export default compose

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