l0bsterssg

node.js static responsive blog post generator
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null.js (761B)

      1 'use strict';
      2 
      3 var Type = require('../type');
      4 
      5 function resolveYamlNull(data) {
      6   if (data === null) return true;
      7 
      8   var max = data.length;
      9 
     10   return (max === 1 && data === '~') ||
     11          (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));
     12 }
     13 
     14 function constructYamlNull() {
     15   return null;
     16 }
     17 
     18 function isNull(object) {
     19   return object === null;
     20 }
     21 
     22 module.exports = new Type('tag:yaml.org,2002:null', {
     23   kind: 'scalar',
     24   resolve: resolveYamlNull,
     25   construct: constructYamlNull,
     26   predicate: isNull,
     27   represent: {
     28     canonical: function () { return '~';    },
     29     lowercase: function () { return 'null'; },
     30     uppercase: function () { return 'NULL'; },
     31     camelcase: function () { return 'Null'; }
     32   },
     33   defaultStyle: 'lowercase'
     34 });