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export default function beautifyHTML({html, indentChar = ' ', startingIndentCount = 0}) {
html = html.replace(/[ ]{2,}/g, ' ');
let result = '', indentCount = startingIndentCount, parsingText = false;
for (let i = 0; i < html.length; i++) {
let startOfTag, endOfTag, closingTag, upcomingTag, afterTag, numTabs;
if (html[i] === '<') { startOfTag = true; }
else if (html[i] === '>') { endOfTag = true; }
else if (html[i - 1] === '>') { afterTag = true; }
if (html[i + 1] === '/') { closingTag = true; }
else if (html[i + 1 ] === '<') { upcomingTag = true; }
if (startOfTag) {
if (closingTag) { numTabs = --indentCount; }
else { numTabs = indentCount++; }
}
if (parsingText && afterTag) {
numTabs = indentCount;
}
result += indentChar.repeat(numTabs) + html[i];
if (endOfTag || parsingText && upcomingTag) {
result += '\n';
parsingText = false;
if (!upcomingTag) { parsingText = true; }
}
}
return result.slice(0, -1);
}
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