markmap-lib/dist/util/html.js

Visualize your Markdown as mindmaps with Markmap

"use strict";

exports.__esModule = true;
exports.escapeHtml = escapeHtml;
exports.escapeScript = escapeScript;
exports.htmlOpen = htmlOpen;
exports.htmlClose = htmlClose;
exports.wrapHtml = wrapHtml;
exports.wrapStyle = wrapStyle;

function escapeHtml(html) {
  return html.replace(/[&<"]/g, m => ({
    '&': '&amp;',
    '<': '&lt;',
    '"': '&quot;'
  })[m]);
}

function escapeScript(content) {
  return content.replace(/<(\/script>)/g, '\\x3c$2');
}

function htmlOpen(tagName, attrs) {
  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}>`;
}

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

function wrapHtml(tagName, content, attrs) {
  if (content == null) return htmlOpen(tagName, attrs);
  return htmlOpen(tagName, attrs) + (content || '') + htmlClose(tagName);
}

function wrapStyle(text, style) {
  if (style.code) text = wrapHtml('code', text);
  if (style.del) text = wrapHtml('del', text);
  if (style.em) text = wrapHtml('em', text);
  if (style.strong) text = wrapHtml('strong', text);
  return text;
}