Function createParseAttrsWithPrefix

src/preact/parse-props.js:360–392

(prefix)

 * }}
 */
export function createParseAttrsWithPrefix(prefix) {
  /**
   * @param {string} name
   * @return {boolean}
   */
  const attrMatches = (name) => name?.startsWith(prefix) && name !== prefix;

  /**
   * @param {Element} element
   * @return {JsonObject|undefined}
   */
  const parseAttrs = (element) => {
    /** @type {JsonObject|undefined} */
    let currObj = undefined;
    const attrs = element.attributes;
    for (let i = 0; i < attrs.length; i++) {
      const attrib = attrs[i];
      if (attrMatches(attrib.name)) {
        if (!currObj) {
          currObj = {};
        }
        currObj[dashToCamelCase(attrib.name.slice(prefix.length))] =
          attrib.value;
      }
    }
    return currObj;
  };

  return {
    'attrMatches': attrMatches,
    'parseAttrs': parseAttrs,
  };
}