Methods
(static) select(constructorOptions) → {Promise}
Select the MIDI output interactively, or via a command line argument or environment variable.
Parameters:
| Name | Type | Description |
|---|---|---|
constructorOptions |
options object passed to the constructor. |
- Source:
Returns:
a Promise object that resolves to a MidiOut instance
- Type
- Promise
Example
# chorus-script.js
const { Song } = require('chorus');
const { MidiOut } = require('chorus/midi');
const song = new Song(...);
MidiOut.select().then(midiOut => midiOut.play(song));
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# command line usage
# realtime output with the given port:
node chorus-script.js -p midiPortName
# or via an environment variable:
CHORUS_OUTPUT_PORT=midiPortName node chorus-script.js
# file output:
node chorus-script.js -f midiFileName