@prismicio/client/dist/lib/escapeHTML.js

The official JavaScript + TypeScript client library for Prismic

const matchHtmlRegExp = /["'&<>]/;
const escapeHTML = (string) => {
  const str = "" + string;
  const match = matchHtmlRegExp.exec(str);
  if (!match) {
    return str;
  }
  let escape;
  let html = "";
  let index = 0;
  let lastIndex = 0;
  for (index = match.index; index < str.length; index++) {
    switch (str.charCodeAt(index)) {
      case 34:
        escape = "&quot;";
        break;
      case 38:
        escape = "&amp;";
        break;
      case 39:
        escape = "&#39;";
        break;
      case 60:
        escape = "&lt;";
        break;
      case 62:
        escape = "&gt;";
        break;
      default:
        continue;
    }
    if (lastIndex !== index) {
      html += str.substring(lastIndex, index);
    }
    lastIndex = index + 1;
    html += escape;
  }
  return lastIndex !== index ? html + str.substring(lastIndex, index) : html;
};
export {
  escapeHTML
};
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