--- /dev/null
+'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
+});