Function parseCode

src/common/syntax-highlighter.ts:302–335

(
  text: string,
  grammar: SyntaxGrammar = defaultGrammar,
  pos = 0
)

};

export function parseCode(
  text: string,
  grammar: SyntaxGrammar = defaultGrammar,
  pos = 0
): CodeSpan[] {
  const spans: CodeSpan[] = [];

  const buf = new Buffer(text, pos);

  while (!buf.atEnd()) {
    const result =
      grammar.comment?.(buf) ??
      grammar.number?.(buf) ??
      grammar.regex?.(buf) ??
      grammar.string?.(buf) ??
      grammar.keyword?.(buf) ??
      grammar.identifier?.(buf);

    if (result) {
      spans.push(result);
      continue;
    }

    // If last span is default, coalesce with this one
    const lastSpan = spans.length ? spans[spans.length - 1] : null;
    if (lastSpan?.tag === 'default') {
      lastSpan.content += buf.consume();
    } else {
      spans.push({ content: buf.consume(), tag: 'default' });
    }
  }

  return spans;
}

function renderCode(spans: CodeSpan[], theme = DEFAULT_THEME): StyledSpan[] {
  return spans.map((span) => {