Class HTMLParser

engine/htmlparser.js:40–326

};

export class HTMLParser {
  static {
    this.prototype.attrState = AttrState.None;
    this.prototype.tagState = TagState.None;
    this.prototype.stringState = StringState.None;
    this.prototype.escaping = false;
  
    this.prototype.currentAttrName = '';
    this.prototype.currentAttrValue = '';
  
    this.prototype.currentName = '';
    this.prototype.currentNode = null;
    this.prototype.textNode = null;
  }

  document = new Document();
  parent = this.document;

  constructor() {}

  parse(input, autoParent = true) {
    const checkToken = (a, b) => !this.escaping && a === b;

    const checkSES = c => {
      if (this.escaping) {
        return false;
      }

      if (c != '"' && c != '\'') {
        return false;
      }

      const state = c == '"' ? StringState.Double : StringState.Single;

      // start
      if (this.stringState == StringState.None) {
        this.stringState = state;
        return true;
      }

      // end
      if (this.stringState == state) {
        this.stringState = StringState.None;
        return true;
      }

      return false;
    };

    const isspace = c => c === ' ' || c === '\n';
    const isclosing = c => c === '>' || c === '/';

    const isVoidEl = (name = this.currentName) => VOID_ELEMENTS.includes(name);

    input = input.replace(/<!DOCTYPE .*?>/i, '').replace(/<!--[\w\W]*?-->/g, '')
      .replaceAll('\r\n', '\n').replaceAll('\r', '\n'); // normalize newlines

    for (let i = 0; i < input.length; i++) {