html 21 parser 21 html5 21 html parser 21 htmlparser 21 serialize 19 parse 19 htmlserializer 19 html serializer 19 serializer 19 parse5 19 fast 19 specification 18 WHATWG 18 html-parsing 9 serialization 9 whatwg 9 tokenizer 5 tokenize 5 simple api 3 sax 3 html-parser 3 javascript 2 dom 2 node.js html parser 2 node.js 2 types 2 typescript 2 stream parser 2 stream parsing 2 html tokenizer 2 html to AST 2 html to JSON 2 html tree-constructor 2 web-components 1 vue 1 svelte 1 rehype 1 prettier 1 formatter 1 angular 1