# mojule-transform

> Declarative object transformation

Latest version **0.1.8** (published 2017-03-09) · MIT license · 0 weekly downloads

> **Deprecated.** This package is deprecated.

## Install

```sh
npm install mojule-transform
pnpm add mojule-transform
yarn add mojule-transform
bun add mojule-transform
```

## Health

**Score 10/100 (F)** — status: deprecated.

Negative: deprecated.

## Facts

| | |
|---|---|
| Version | 0.1.8 |
| Published | 2017-03-09 |
| First published | 2017-01-24 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | CommonJS |
| Dependencies | 2 |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 0 |
| Author | Nik Coughlin |
| Maintainers | andybell, nrkn |
| Keywords | mapper, object, transformation, transform, declarative |

## Links

- npm: https://www.npmjs.com/package/mojule-transform
- Repository: https://github.com/mojule/mojule-transform
- Homepage: https://github.com/mojule/mojule-transform#readme
- Issues: https://github.com/mojule/mojule-transform/issues
- npm.io page: https://npm.io/package/mojule-transform

## Dependencies (2)

- [1tree-json](https://npm.io/package/1tree-json.md) ^0.2.6
- [mojule-utils](https://npm.io/package/mojule-utils.md) ^0.1.8

## Alternatives

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## Recent versions

- 0.1.8 (latest) — 2017-03-09
- 0.1.7 — 2017-02-16
- 0.1.6 — 2017-02-08
- 0.1.5 — 2017-02-08
- 0.1.4 — 2017-01-25
- 0.1.3 — 2017-01-25
- 0.1.2 — 2017-01-25
- 0.1.1 — 2017-01-25
- 0.1.0 — 2017-01-24

## README

# mojule-transform

Declarative object tranformation

## Usage

`npm install mojule-transformer`

```javascript
const transformer = require( 'mojule-transformer' )

const transformed = transformer( model, transform )
```

## Examples

### Append a property

Input:

```javascript
const model = {
  "a": "Hello"
}

const transform = {
  "b": "World"
}
```

Output:

```javascript
{
  "a": "Hello",
  "b": "World"
}
```

### Copy a property

Input:

```javascript
const model = {
  "a": "Hello"
}

const transform = {
  "b": {
    "$value": "a"
  }
}
```

Output:

```javascript
{
  "a": "Hello",
  "b": "Hello"
}
```

### Delete a property

Input:

```javascript
const model = {
  "a": "Hello"
}

const transform = {
  "a": "$delete"
}
```

Output:

```javascript
{}
```

### Rename a property

Input:

```javascript
const model = {
  "a": "Hello"
}

const transform = {
  "a": "$delete",
  "b": {
    "$value": "a"
  }
}
```

Output:

```javascript
{
  "b": "Hello"
}
```

### Conditional

Input:

```javascript
const model = {
  "a": "Hello"
}

const transform = {
  "b": {
    "$if": [
      { "$value": "a" },
      true
    ]
  },
  "c": {
    "$if": [
      { "$value": "d" },
      true
    ]
  }
}
```

Output:

```javascript
{
  "a": "Hello",
  "b": true
}
```

---
_Source: https://npm.io/package/mojule-transform · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._