Function isValid

src/components/icon/validate.ts:30–50

(elm: HTMLElement)

};

export const isValid = (elm: HTMLElement) => {
  if (elm.nodeType === 1) {
    if (elm.nodeName.toLowerCase() === 'script') {
      return false;
    }

    for (let i = 0; i < elm.attributes.length; i++) {
      const name = elm.attributes[i].name;
      if (isStr(name) && name.toLowerCase().indexOf('on') === 0) {
        return false;
      }
    }

    for (let i = 0; i < elm.childNodes.length; i++) {
      if (!isValid(elm.childNodes[i] as any)) {
        return false;
      }
    }
  }
  return true;
};

export const isSvgDataUrl = (url: string) => url.startsWith('data:image/svg+xml');
export const isEncodedDataUrl = (url: string) => url.indexOf(';utf8,') !== -1;