gulp-yaml

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A Gulp plugin to convert YAML to JSON

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# gulp-yaml

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> A [Gulp](https://github.com/gulpjs/gulp) plugin to convert [YAML](http://en.wikipedia.org/wiki/YAML) to [JSON](http://en.wikipedia.org/wiki/JSON) using [js-yaml](https://github.com/nodeca/js-yaml).

## Install

```sh
npm install gulp-yaml --save-dev
```

## Usage

```js
const yaml = require('gulp-yaml');

gulp.src('./src/*.yml')
  .pipe(yaml({ schema: 'DEFAULT_SAFE_SCHEMA' }))
  .pipe(gulp.dest('./dist/'))

gulp.src('./src/*.yml')
  .pipe(yaml({ space: 2 }))
  .pipe(gulp.dest('./dist/'))

gulp.src('./src/*.yml')
  .pipe(yaml({ safe: true }))
  .pipe(gulp.dest('./dist/'))
```

## API

### yaml([options])

#### options.safe

Type: `Boolean`

Default: `true`

Enable or disable support for regexps, functions and undefined.

**This flag should always be enabled when working with untrusted data.**

When this flag is enabled then [safeLoad](https://github.com/nodeca/js-yaml#safeload-string---options-) method is used, otherwise [load](https://github.com/nodeca/js-yaml#load-string---options-).

#### options.space

Type: `Number` or `String`

Default: `null`

Control spacing in the resulting output. It has the same usage as for [JSON.stringify](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify)

#### options.replacer

Type: `Function` or `Array`

Default: `null`

Further transform the resulting output. It has the same usage as for [JSON.stringify](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify)

#### options.schema

Type: `String`

Default: `DEFAULT_SAFE_SCHEMA` or `DEFAULT_FULL_SCHEMA`

Specifies what schema to use. Valid values are the same that [js-yaml](https://github.com/nodeca/js-yaml) supports, except they are received as strings (lowercase or uppercase). See the example in the Usage section of this README. The default schema is chosen using the `safe` option.

#### options.filename

Type: `String`

Default: the path of the file processed

String to be used as a file path in error/warning messages.

#### options.ext

Type: `String`

Default: `.json`

File extension of the generated file.

#### options.json

Type: `Boolean`

Default: `false`

Compatibility with JSON.parse behaviour.
If true, then duplicate keys in a mapping will override values rather than
throwing an error.

#### options.onWarning

Type: `Function`

Default: `null`

Function to call on warning messages.
Loader will throw on warnings if this function is not provided.

## License

gulp-yaml

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