js-yaml/lib/type/merge.js

YAML 1.2 parser and serializer

'use strict'

const Type = require('../type')

function resolveYamlMerge (data) {
  return data === '<<' || data === null
}

module.exports = new Type('tag:yaml.org,2002:merge', {
  kind: 'scalar',
  resolve: resolveYamlMerge
})