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# YAML

## Simple YAML support, provides only clean subset of yaml

**Install: @travetto/yaml**
```bash
npm install @travetto/yaml

# or

yarn add @travetto/yaml
```

In the desire to provide a minimal footprint, the framework provides a minimal [YAML](https://en.wikipedia.org/wiki/YAML) parser/serializer to handle standard configuration structure. 

[YamlUtil](https://github.com/travetto/travetto/tree/main/module/yaml/src/util.ts#L7) is the main access point for this module, and will expose two method, `parse` and `serialize`.

**Code: Simple YAML Parsing**
```typescript
import { YamlUtil } from '@travetto/yaml';

export function main(): void {
  const obj = YamlUtil.parse(`
  name: Source
  age: 20
  fields:
    sub: 
      - a
      - b 
      - c
    sub2: [1,2,3]
    sub3: {"k":5, "v":20}
  `);

  console.log(JSON.stringify(obj, null, 2));
}
```

**Terminal: Simple YAML Parsing**
```bash
$ trv main doc/parse.ts

{
  "name": "Source",
  "age": 20,
  "fields": {
    "sub": [
      "a",
      "b",
      "c"
    ],
    "sub2": [
      1,
      2,
      3
    ],
    "sub3": {
      "k": 5,
      "v": 20
    }
  }
}
```

**Code: Simple YAML Serialization**
```typescript
import { YamlUtil } from '@travetto/yaml';

export function main(): void {
  const text = YamlUtil.serialize({
    name: 'Source',
    age: 20,
    fields: {
      sub: [
        'a',
        'b',
        'c'
      ],
      sub2: [1, 2, 3],
      sub3: { k: 5, v: 20 }
    }
  });

  console.log(text);
}
```

**Terminal: Simple YAML Serialization**
```bash
$ trv main doc/serialize.ts

name: Source
age: 20
fields:
  sub:
    - a
    - b
    - c
  sub2:
    - 1
    - 2
    - 3
  sub3:
    k: 5
    v: 20
```