cyphernode/cyphernodeconf_docker/lib/html2ansi.js

const parse5 = require('parse5');
const chalk = require('chalk');

const options = {
	scriptingEnabled: false
}

const convert = function(data){

	// recursively flatten
	let v = data.childNodes && data.childNodes.length?
		data.childNodes.map(d=> convert(d)).join(''):
		data.value?data.value:'';

	switch(data.tagName){
		case 'br':
			v += '\n'
			break
		case 'font':
			if( data.attrs && data.attrs.length ) {
				for( let attr of data.attrs ) {
					if( attr.name === 'color' && /^#[a-f0-9]{6}$/.test(attr.value) ) {
						v = chalk.hex(attr.value)(v);
					}
					if( attr.name === 'bold' && attr.value === 'true' ) {
						v = chalk.bold(v);
					}
					if( attr.name === 'italic' && attr.value === 'true' ) {
						v = chalk.italic(v);
					}
					if( attr.name === 'underline' && attr.value === 'true' ) {
						v = chalk.underline(v);
					}
					if( attr.name === 'strikethrough' && attr.value === 'true' ) {
						v = chalk.strikethrough(v);
					}
				}
			}
			break;
	}
	return v;
}

module.exports = function(html){
	return convert(parse5.parseFragment(html, options));
}