Function getOrSetDefaultValue

packages/animations/browser/src/render/shared.ts:141–147

(map: Map<T, V>, key: T, defaultValue: V)

}

export function getOrSetDefaultValue<T, V>(map: Map<T, V>, key: T, defaultValue: V) {
  let value = map.get(key);
  if (!value) {
    map.set(key, (value = defaultValue));
  }
  return value;
}

export function parseTimelineCommand(command: string): [string, string] {
  const separatorPos = command.indexOf(':');