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fromfrom

(★ 481)

A JS library written in TS to transform sequences of data from format to another

파일 탐색기

최종 버전 다운로드 (.zip)

- benchmark.ts
- - styles.css
- index.html
- playground.html
- tsconfig.json
- typedoc.js
- webpack.config.js
- webpack.config.prod.js
- - concat.ts
  - distinct.ts
  - filter.ts
  - flatMap.ts
  - groupBy.ts
  - map.ts
  - prepend.ts
  - reverse.ts
  - skip.ts
  - skipWhile.ts
  - sortBy.ts
  - take.ts
  - takeWhile.ts
  - without.ts
- fromfrom.ts
- ObjectIterable.ts
- Sequence.ts
- types.ts
- utils.ts
- fromfrom.test.ts
- gh-pages-publish.ts
- semantic-release-prepare.ts
.all-contributorsrc
.editorconfig
.gitignore
.prettierrc.json
.releaserc.json
.travis.yml
CHANGELOG.md
code-of-conduct.md
CONTRIBUTING.md
LICENSE
package-lock.json
package.json
README.md
rollup.config.ts
TODO.md
tsconfig.benchmark.json
tsconfig.declarations.json
tsconfig.json
tslint.json

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/tomi/fromfrom

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd fromfrom

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Node.js

쉬움 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
Node.js npm 명령어를 쓰려면 Node.js가 설치되어 있어야 합니다. LTS(장기지원) 버전을 추천합니다.

npm install --save fromfrom

package.json에 명시된 라이브러리들을 내려받아 설치합니다.

✅ 명령어 실행 후 터미널에 나타나는 주소(보통 http://localhost:3000 형태)를 브라우저에서 열어보세요.

이 레포의 README에 적힌 실제 명령어를 그대로 가져왔습니다.

// repository documentation

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# fromfrom

[![Greenkeeper badge](https://badges.greenkeeper.io/tomi/fromfrom.svg)](https://greenkeeper.io/)
[![Build Status](https://travis-ci.com/tomi/fromfrom.svg?branch=master)](https://travis-ci.com/tomi/fromfrom)
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[![Sponsored](https://img.shields.io/badge/chilicorn-sponsored-brightgreen.svg?logo=data%3Aimage%2Fpng%3Bbase64%2CiVBORw0KGgoAAAANSUhEUgAAAA4AAAAPCAMAAADjyg5GAAABqlBMVEUAAAAzmTM3pEn%2FSTGhVSY4ZD43STdOXk5lSGAyhz41iz8xkz2HUCWFFhTFFRUzZDvbIB00Zzoyfj9zlHY0ZzmMfY0ydT0zjj92l3qjeR3dNSkoZp4ykEAzjT8ylUBlgj0yiT0ymECkwKjWqAyjuqcghpUykD%2BUQCKoQyAHb%2BgylkAyl0EynkEzmkA0mUA3mj86oUg7oUo8n0k%2FS%2Bw%2Fo0xBnE5BpU9Br0ZKo1ZLmFZOjEhesGljuzllqW50tH14aS14qm17mX9%2Bx4GAgUCEx02JySqOvpSXvI%2BYvp2orqmpzeGrQh%2Bsr6yssa2ttK6v0bKxMBy01bm4zLu5yry7yb29x77BzMPCxsLEzMXFxsXGx8fI3PLJ08vKysrKy8rL2s3MzczOH8LR0dHW19bX19fZ2dna2trc3Nzd3d3d3t3f39%2FgtZTg4ODi4uLj4%2BPlGxLl5eXm5ubnRzPn5%2Bfo6Ojp6enqfmzq6urr6%2Bvt7e3t7u3uDwvugwbu7u7v6Obv8fDz8%2FP09PT2igP29vb4%2BPj6y376%2Bu%2F7%2Bfv9%2Ff39%2Fv3%2BkAH%2FAwf%2FtwD%2F9wCyh1KfAAAAKXRSTlMABQ4VGykqLjVCTVNgdXuHj5Kaq62vt77ExNPX2%2Bju8vX6%2Bvr7%2FP7%2B%2FiiUMfUAAADTSURBVAjXBcFRTsIwHAfgX%2FtvOyjdYDUsRkFjTIwkPvjiOTyX9%2FAIJt7BF570BopEdHOOstHS%2BX0s439RGwnfuB5gSFOZAgDqjQOBivtGkCc7j%2B2e8XNzefWSu%2BsZUD1QfoTq0y6mZsUSvIkRoGYnHu6Yc63pDCjiSNE2kYLdCUAWVmK4zsxzO%2BQQFxNs5b479NHXopkbWX9U3PAwWAVSY%2FpZf1udQ7rfUpQ1CzurDPpwo16Ff2cMWjuFHX9qCV0Y0Ok4Jvh63IABUNnktl%2B6sgP%2BARIxSrT%2FMhLlAAAAAElFTkSuQmCC)](http://spiceprogram.org/oss-sponsorship)
[![All Contributors](https://img.shields.io/badge/all_contributors-5-orange.svg?style=flat-square)](https://raw.githubusercontent.com/tomi/fromfrom/master/)

fromfrom is a [LINQ](https://en.wikipedia.org/wiki/Language_Integrated_Query) inspired library to transform sequences of data.

## Installation

```bash
npm install --save fromfrom
```

## Documentation

Find it [here](https://tomi.github.io/fromfrom/).

## Usage

The library exports only a single function, [`from`](https://tomi.github.io/fromfrom/api/index.html#from). [`from`](https://tomi.github.io/fromfrom/api/index.html#from) wraps the given source data into a [`Sequence`](https://tomi.github.io/fromfrom/api/classes/sequence.html). [`Sequence`](https://tomi.github.io/fromfrom/api/classes/sequence.html) has a wide range of chainable methods to operate and transform the sequence. The sequence can then be converted into a JS type.

For example

```ts
import { from } from "fromfrom";

// Transform an array of users
const users = [
  { id: 1, name: "John", age: 31, active: true },
  { id: 2, name: "Jane", age: 32, active: false },
  { id: 3, name: "Luke", age: 33, active: false },
  { id: 4, name: "Mary", age: 34, active: true },
];

from(users)
  .filter(user => user.active)
  .sortByDescending(user => user.age)
  .toArray();
// Returns
// [
//   { id: 4, name: "Mary", age: 34, active: true },
//   { id: 1, name: "John", age: 31, active: true }
// ]
```

## Features

- **Familiar method names** - Even though it's LINQ inspired, uses familiar method names from JS.
- **Supports all main JS types** - Works with arrays, objects, maps, sets, and objects that implement the [iterable protocol](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols).
- **No dependencies** - Guarantees small size.
- **Type safe** - Written in TypeScript. Type definitions included.
- **Deferred execution** - The execution of the sequence is deferred until you begin consuming the sequence.
- **Fully tested** - 100% test coverage.

## How does it work

See "how does it work" section from the initial [release blog post](https://github.com/tomi/fromfrom/wiki/Announcing-fromfrom#how-does-it-work).

## Development

### NPM scripts

- `npm t`: Run test suite
- `npm start`: Run `npm run build` in watch mode
- `npm run test:watch`: Run test suite in [interactive watch mode](http://facebook.github.io/jest/docs/cli.html#watch)
- `npm run test:prod`: Run linting and generate coverage
- `npm run build`: Generate bundles and typings, create docs
- `npm run lint`: Lints code
- `npm run commit`: Commit using conventional commit style ([husky](https://github.com/typicode/husky) will tell you to use it if you haven't :wink:)

## Acknowledgement

Made with :heart: by [@TomiTurtiainen](https://twitter.com/TomiTurtiainen).

This project is a grateful recipient of the [Futurice Open Source sponsorship program](https://spiceprogram.org). :heart:

Forked from [TypeScript library starter](https://github.com/alexjoverm/typescript-library-starter)

## Contributors ✨

Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):

<table>
  <tr>
    <td align="center"><a href="https://github.com/tomi"><img src="https://avatars2.githubusercontent.com/u/10324676?v=4" width="100px;" alt=""/><br /><sub><b>Tomi Turtiainen</b></sub></a><br /><a href="https://github.com/tomi/fromfrom/commits?author=tomi" title="Code">💻</a> <a href="https://github.com/tomi/fromfrom/commits?author=tomi" title="Documentation">📖</a> <a href="#infra-tomi" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/tomi/fromfrom/commits?author=tomi" title="Tests">⚠️</a></td>
    <td align="center"><a href="https://github.com/jtenner"><img src="https://avatars1.githubusercontent.com/u/3761339?v=4" width="100px;" alt=""/><br /><sub><b>jtenner</b></sub></a><br /><a href="https://github.com/tomi/fromfrom/commits?author=jtenner" title="Code">💻</a> <a href="https://github.com/tomi/fromfrom/commits?author=jtenner" title="Tests">⚠️</a> <a href="https://github.com/tomi/fromfrom/commits?author=jtenner" title="Documentation">📖</a></td>
    <td align="center"><a href="https://vaaralav.com"><img src="https://avatars0.githubusercontent.com/u/8571541?v=4" width="100px;" alt=""/><br /><sub><b>Ville Vaarala</b></sub></a><br /><a href="#maintenance-vaaralav" title="Maintenance">🚧</a></td>
    <td align="center"><a href="https://github.com/dogoku"><img src="https://avatars0.githubusercontent.com/u/761999?v=4" width="100px;" alt=""/><br /><sub><b>Theo</b></sub></a><br /><a href="https://github.com/tomi/fromfrom/commits?author=dogoku" title="Code">💻</a></td>
    <td align="center"><a href="https://github.com/hollannikas"><img src="https://avatars0.githubusercontent.com/u/9109662?v=4" width="100px;" alt=""/><br /><sub><b>Rudolf Poels</b></sub></a><br /><a href="https://github.com/tomi/fromfrom/commits?author=hollannikas" title="Documentation">📖</a></td>
    <td align="center"><a href="https://github.com/andrew-w-ross"><img src="https://avatars2.githubusercontent.com/u/14924726?v=4" width="100px;" alt=""/><br /><sub><b>Andrew Ross</b></sub></a><br /><a href="https://github.com/tomi/fromfrom/issues?q=author%3Aandrew-w-ross" title="Bug reports">🐛</a></td>
  </tr>
</table>

This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!