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/** * @license * * Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed) * https://github.com/chjj/marked * * Copyright (c) 2018, Костя Третяк. (MIT Licensed) * https://github.com/ts-stack/markdown */
import { Replacements } from "./interfaces.ts";
const escapeTest = /[&<>"']/;const escapeReplace = /[&<>"']/g;const replacements: Replacements = {  "&": "&amp;",  "<": "&lt;",  ">": "&gt;",  '"': "&quot;",  // tslint:disable-next-line:quotemark  "'": "&#39;",};
const escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;const escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
export function escape(html: string, encode?: boolean) {  if (encode) {    if (escapeTest.test(html)) {      return html.replace(escapeReplace, (ch: string) => replacements[ch]);    }  } else {    if (escapeTestNoEncode.test(html)) {      return html.replace(        escapeReplaceNoEncode,        (ch: string) => replacements[ch],      );    }  }
  return html;}
export function unescape(html: string) {  // Explicitly match decimal, hex, and named HTML entities  return html.replace(    /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/gi,    function (_, n) {      n = n.toLowerCase();
      if (n === "colon") {        return ":";      }
      if (n.charAt(0) === "#") {        return n.charAt(1) === "x"          ? String.fromCharCode(parseInt(n.substring(2), 16))          : String.fromCharCode(+n.substring(1));      }
      return "";    },  );}