Function flattenFrom

flattenFrom<TValOrValue>(getValue, onChange, config?): ReadonlyVal<UnwrapVal<TValOrValue>>
Creates a readonly val from a getter function and a listener function. If the value is a val, it will be auto-flattened.
Type Parameters
- TValOrValue = any
Parameters
- getValue: (() => TValOrValue)
  A function that returns the current value. If the value is a val, it will be auto-flattened.
  - - (): TValOrValue
    - Returns TValOrValue
- onChange: ((notify) => undefined | void | ValDisposer)
  A function that takes a notify function and returns a disposer. The notify function should be called when the value changes.
  - - (notify): undefined | void | ValDisposer
    - Parameters
      notify: (() => void)
      (): void
      Returns void
      Returns undefined | void | ValDisposer
- Optional config: ValConfig<UnwrapVal<TValOrValue>>
  custom config for the val.
Returns ReadonlyVal<UnwrapVal<TValOrValue>>
A readonly val with value of inner val.
- Defined in src/flatten-from.ts:24