'use strict'; var Scalar = require('../../nodes/Scalar.js'); const nullTag = { identify: value => value == null, createNode: () => new Scalar.Scalar(null), default: true, tag: 'tag:yaml.org,2002:null', test: /^(?:~|[Nn]ull|NULL)?$/, resolve: () => new Scalar.Scalar(null), stringify: ({ source }, ctx) => typeof source === 'string' && nullTag.test.test(source) ? source : ctx.options.nullStr }; exports.nullTag = nullTag;