Function propsFactory

packages/vuetify/src/util/propsFactory.ts:31–57

(props: PropsOptions, source: string)

 */

export function propsFactory<
  PropsOptions extends ComponentObjectPropsOptions
> (props: PropsOptions, source: string) {
  return <Defaults extends PartialKeys<PropsOptions> = {}>(
    defaults?: Defaults
  ): AppendDefault<PropsOptions, Defaults> => {
    return Object.keys(props).reduce<any>((obj, prop) => {
      const isObjectDefinition = typeof props[prop] === 'object' && props[prop] != null && !Array.isArray(props[prop])
      const definition = isObjectDefinition ? props[prop] : { type: props[prop] }

      if (defaults && prop in defaults) {
        obj[prop] = {
          ...definition,
          default: defaults[prop],
        }
      } else {
        obj[prop] = definition
      }

      if (source && !obj[prop].source) {
        obj[prop].source = source
      }

      return obj
    }, {})
  }
}

type AppendDefault<T extends ComponentObjectPropsOptions, D extends PartialKeys<T>> = {
  [P in keyof T]-?: unknown extends D[P]