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'use strict';
var Type = require('../type');
var _hasOwnProperty = Object.prototype.hasOwnProperty;
var _toString = Object.prototype.toString;
function resolveYamlOmap(data) {
if (data === null) return true;
var objectKeys = [], index, length, pair, pairKey, pairHasKey,
object = data;
for (index = 0, length = object.length; index < length; index += 1) {
pair = object[index];
pairHasKey = false;
if (_toString.call(pair) !== '[object Object]') return false;
for (pairKey in pair) {
if (_hasOwnProperty.call(pair, pairKey)) {
if (!pairHasKey) pairHasKey = true;
else return false;
}
}
if (!pairHasKey) return false;
if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);
else return false;
}
return true;
}
function constructYamlOmap(data) {
return data !== null ? data : [];
}
module.exports = new Type('tag:yaml.org,2002:omap', {
kind: 'sequence',
resolve: resolveYamlOmap,
construct: constructYamlOmap
});
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