Function htmlOpen

packages/markmap-common/src/html.ts:17–33

(
  tagName: string,
  attrs?: Record<string, string | boolean>,
)

}

export function htmlOpen(
  tagName: string,
  attrs?: Record<string, string | boolean>,
): string {
  const attrStr = attrs
    ? Object.entries(attrs)
        .map(([key, value]) => {
          if (value == null || value === false) return;
          key = ` ${escapeHtml(key)}`;
          if (value === true) return key;
          return `${key}="${escapeHtml(value)}"`;
        })
        .filter(Boolean)
        .join('')
    : '';
  return `<${tagName}${attrStr}>`;
}

export function htmlClose(tagName: string): string {
  return `</${tagName}>`;