Function validateStyleProperty

packages/animations/browser/src/render/shared.ts:175–191

(prop: string)

let _CACHED_BODY: {style: any} | null = null;
let _IS_WEBKIT = false;
export function validateStyleProperty(prop: string): boolean {
  if (!_CACHED_BODY) {
    _CACHED_BODY = getBodyNode() || {};
    _IS_WEBKIT = _CACHED_BODY!.style ? 'WebkitAppearance' in _CACHED_BODY!.style : false;
  }

  let result = true;
  if (_CACHED_BODY!.style && !containsVendorPrefix(prop)) {
    result = prop in _CACHED_BODY!.style;
    if (!result && _IS_WEBKIT) {
      const camelProp = 'Webkit' + prop.charAt(0).toUpperCase() + prop.slice(1);
      result = camelProp in _CACHED_BODY!.style;
    }
  }

  return result;
}

export function validateWebAnimatableStyleProperty(prop: string): boolean {
  return ANIMATABLE_PROP_SET.has(prop);