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// Ported from js-yaml v3.13.1:// https://github.com/nodeca/js-yaml/commit/665aadda42349dcae869f12040d9b10ef18d12da// Copyright 2011-2015 by Vitaly Puzrin. All rights reserved. MIT license.// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import { Type } from "../type.ts";import type { Any } from "../utils.ts";
const { hasOwn } = Object;const _toString = Object.prototype.toString;
function resolveYamlOmap(data: Any): boolean {  const objectKeys: string[] = [];  let pairKey = "";  let pairHasKey = false;
  for (const pair of data) {    pairHasKey = false;
    if (_toString.call(pair) !== "[object Object]") return false;
    for (pairKey in pair) {      if (hasOwn(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: Any): Any {  return data !== null ? data : [];}
export const omap = new Type("tag:yaml.org,2002:omap", {  construct: constructYamlOmap,  kind: "sequence",  resolve: resolveYamlOmap,});