### Function

# WPEJavaScriptCore Executor

since: 2.48

#### Declaration

    void
    (* JSCExecutor) (
      JSCValue* resolve,
      JSCValue* reject,
      gpointer user_data
    )

#### Description [src]

A function passed to `jsc_value_new_promise` called during initialization

It is called like a JavaScript function, so exceptions raised will not be propagated to the context, but handled by the promise causing a rejection. `resolve` and `reject` can be reffed for later use to handle async task completion.

Available since: 2.48

#### Parameters

`resolve`

  Type: `JSCValue`

  `JSCValue` function to call to resolve the promise.

  The data is owned by the caller of the function.

`reject`

  Type: `JSCValue`

  `JSCValue` function to call to reject the promise.

  The data is owned by the caller of the function.

`user_data`

  Type: `gpointer`

  User data.

  The argument can be `NULL`.
  The data is owned by the caller of the function.