Class MIDIDeviceHandler

Provides an easy way to connect physical MIDI devices to the synthesizer and sequencer using the Web MIDI API.

Index

Properties

inputs onDeviceChange? outputs

Methods

createMIDIDeviceHandler

Properties

`Readonly`inputs

inputs: Map<string, LibMIDIInput> = ...

The available MIDI inputs. ID maps to the input.

`Optional`onDeviceChange

onDeviceChange?: () => unknown

Called after a device was connected or disconnected, once MIDIDeviceHandler.inputs and MIDIDeviceHandler.outputs are updated.

`Readonly`outputs

outputs: Map<string, LibMIDIOutput> = ...

The available MIDI outputs. ID maps to the output.

Methods

`Static`createMIDIDeviceHandler

createMIDIDeviceHandler(requestSysEx?: boolean): Promise<MIDIDeviceHandler>
Initializes the connection to physical MIDI devices.
Parameters
- requestSysEx: boolean = true
  If the System Exclusive access should be requested. If it is denied, the access without System Exclusive messages is requested instead.
Returns Promise<MIDIDeviceHandler>
The MIDI device handler.

Throws
Error If the MIDI devices fail to initialize or the Web MIDI API is not supported.
- Defined in src/external_midi/midi_handler.ts:207