All files / node_modules/js-yaml/lib/js-yaml/type pairs.js

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'use strict';
 
var Type = require('../type');
 
var _toString = Object.prototype.toString;
 
function resolveYamlPairs(data) {
  if (data === null) return true;
 
  var index, length, pair, keys, result,
      object = data;
 
  result = new Array(object.length);
 
  for (index = 0, length = object.length; index < length; index += 1) {
    pair = object[index];
 
    if (_toString.call(pair) !== '[object Object]') return false;
 
    keys = Object.keys(pair);
 
    if (keys.length !== 1) return false;
 
    result[index] = [ keys[0], pair[keys[0]] ];
  }
 
  return true;
}
 
function constructYamlPairs(data) {
  if (data === null) return [];
 
  var index, length, pair, keys, result,
      object = data;
 
  result = new Array(object.length);
 
  for (index = 0, length = object.length; index < length; index += 1) {
    pair = object[index];
 
    keys = Object.keys(pair);
 
    result[index] = [ keys[0], pair[keys[0]] ];
  }
 
  return result;
}
 
module.exports = new Type('tag:yaml.org,2002:pairs', {
  kind: 'sequence',
  resolve: resolveYamlPairs,
  construct: constructYamlPairs
});