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Changelog

Starting with version 3.x, all notable changes to WebMidi.js will be documented in this file. The format used is the one suggested by Keep a Changelog.

[3.0.0]

Added

  • WebMidi.js now has builtin Node.js support thanks to the jzz node module by Jazz-Soft.

  • WebMidi.js is now available in IIFE (Immediately Invoked Function Expression), CJS (CommonJS) and ESM (ECMAScript module) flavours (all with normal and minifed versions with sourcemaps).

  • WebMidi.js now publishes a TypeScript definition file for CJS and ESM with all releases.

  • WebMidi.js now explicitly checks for Jazz-Plugin support in environments with no native support for the Web MIDI API.

  • The WebMidi.enable() method now returns a promise. The promise is fulfilled with the WebMidi object. It still supports using a callback.

  • Input and Output objects now emit opened, closed and disconnected events.

  • Hundreds of unit tests have been added and test coverage is now available.

  • There are new InputChannel and OutputChannel objects. They are used to communication with a single channel of an input or output.

  • All emitted events now have a target property referencing the object that triggered the event.

  • The sendNoteOn() method has been added. It behaves the same way as playNote() does except it does not accept a duration option. It was added mostly for completeness' sake.

  • The sendNoteOff() method has been added. It behaves the same way as stopNote() does. Actually, stopNote() is an alias to sendNoteOff().

  • All methods of the Output object that communication with a device are prefixed with "send". This makes it easier to find the right method. Old method names are still usable but are deprecated.

  • The sendChannelAftertouch(), sendKeyAftertouch() and sendPitchbend() method now have a useRawValue options allowing the assignment of value using an integer between 0 and 127 instead of a float between 0 and 1.

  • There is a new Note object that can be used in various places such as when calling playNote() or stopNote(). It carries with it the note number, the duration (if any), the attack and release information, etc.

  • A WebMidi.validation property (defaults to true) can be used to disable all argument checking and legacy support throughout the library (for performance). This property can also be in the options of WebMidi.enable().

  • The send() and sendSysex() methods of Output and OutputChannel can now officially use Uint8Array input (not supported on Node.js however).

  • Licence has been changed to Apache 2.0

  • An octaveOffset property has been added to Input, InputChannel, Output and OutputChannel. This means you can offset the octave globally, at the input/output level or at the channel level

  • A Message object has been added. This allows easier routing of messages.

  • Added support for RPN messages and improved NRPN parsing.

  • A two-position array can now be passed to sendControlChange() to specify both MSB and LSB at once.

  • The InputChannel object offers a getNoteState() method that reports if a note is currently playing or not. It also has a new notesState property which is an array holding the playing status of all notes (0-127).

  • It is now possible to add a forwarder to an Input that will forward MIDI messages to a specified output. Also, the inbound messages can be filtered for forwarding by message type and channel. A new Forwarder class has been added for that purpose.

  • Added WebMidi.version

  • The WedMidi object now has a defaults property where you can set system-wide defaults such as the default attack and release velocity. More defaults to come!

Changed

  • [BREAKING CHANGE] Passing undefined as the channel value to addListener() no longer means that all channels should be listening. This was a terrible design decision and it ends with version

  • Documentation is now generated with jsdoc instead of the outdated yuidoc.

  • [BREAKING CHANGE] The "controlchange" event's value property is now a float between 0 and 1. Its rawValue property now contains the 7bit integer value (between 0 and 127).

  • [BREAKING CHANGE] The "nrpn" event's value property is now a float between 0 and 1. Its rawValue property now contains the 16bit integer value (between 0 and 65535).

  • Grunt has been replaced with NPM scripts for all build purposes.

  • [BREAKING CHANGE] The nrpnEventsEnabled property has been moved from the Input class to the InputChannel class. Trying to access it will trigger a warning in the console.

  • [BREAKING CHANGE] The getCcNameByNumber() method has been moved from the Input class to the InputChannel class and now returns undefined instead of false when no matching name is found.

  • [BREAKING CHANGE] The "tuningrequest" event has been renamed "tunerequest".

  • The event received by listeners registered on Input and InputChannel objects has been slightly changed. Its data property now contains a regular array (instead of a Uint8Array). Its rawData property now contains the Uint8Array.

  • Several methods have been moved from the WebMidi object to the Utilities object. Using the old methods will continue to work but will trigger a deprecation warning in the console.

  • The send() method now accepts a Message object.

  • If a device is disconnected and connected back, it will retain its state (such as listeners, etc.). This is particularly useful when the computer goes to sleep and is brought back online.

  • Several conversion methods have been added to the new Utilities class such as from7bitToFloat(), fromFloatTo7Bit(), fromMsbLsbToFloat(), fromFloatToMsbLsb(), etc.

  • All enumerations have been move to the Enumerations object (e.g. MIDI_CHANNEL_MESSAGES, MIDI_CHANNEL_NUMBERS, etc.)

Deprecated

  • The velocity option parameter has been renamed attack. There are new rawAttack and rawRelease parameters that should be used instead of setting rawVelocity to true.

  • The WebMidi.noteNameToNumber() method was renamed and moved to Utilities.toNoteNumber(). The old method has been deprecated but will continue to work in v3.x.

  • The WebMidi.toMIDIChannels() method was renamed and moved to Utilities.sanitizeChannels(). The old method has been deprecated but will continue to work in v3.x.

  • The name of the Output.sendTuningRequest() method was changed to Output.sendTuneRequest(). The old name has been deprecated but will continue to work in v3.x.

  • The on() method of the Input class has been deprecated. Use addListener() instead.

  • The InputChannel.nrpnEventsEnabled property has been renamed to InputChannel.parameterNumberEventsEnabled. The old property is deprecated but will be kept for backwards compatibility.

Removed

  • Support for Bower.

[2.5.1] - 2019-08-25

Versions 2.5.x and earlier have not been tracked in this changelog.