41 lines
734 B
JavaScript
41 lines
734 B
JavaScript
'use strict';
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var Type = require('../type');
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var YAML_NULL_MAP = {
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'~' : true,
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'null' : true,
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'Null' : true,
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'NULL' : true
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};
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function resolveYamlNull(state) {
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if (YAML_NULL_MAP.hasOwnProperty(state.result)) {
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state.result = null;
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return true;
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}
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return false;
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}
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function isNull(object) {
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return null === object;
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}
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module.exports = new Type('tag:yaml.org,2002:null', {
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loadKind: 'scalar',
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loadResolver: resolveYamlNull,
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dumpPredicate: isNull,
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dumpRepresenter: {
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canonical: function () { return '~'; },
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lowercase: function () { return 'null'; },
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uppercase: function () { return 'NULL'; },
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camelcase: function () { return 'Null'; }
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},
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dumpDefaultStyle: 'lowercase'
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});
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