Got Scales?

Got Scales? is a simple Javascript module that allows you to create music scales and chords.

Install

> npm install got-scales --save-dev

gotScales.note(name)

Creates a new note instance.

name - The name of the note. Can contain sharps and flats 'C', 'C#', 'Cb'.

Methods

get()

Returns the note string passed to the note() method.

scale(formula, [,forceFormula])

Creates a scale instance using the note passed.

gotScales.scale(formula, [,forceFormula])

Creates a scale instance with one of the pre-defined formulas found in scaleFormulas.es6.

formula - The formula parameter can be either a string like Cmaj7 or an array of integers [0, 3, 7].

forceFormula - Allows creating a custom formula if it doesn't exist in the pre-defined formulas. bool defaults to false.

Methods

get(int)

Return a specific note in the scale.

getNotes()

Return an array of notes in the scale instance.

Usage

import gotScales from 'got-scales'

// How to use
var gMajorScale = gotScales.note('G')
var aCustomScale = gotScales.note('A')

console.log(gMajorScale.scale('major').getNotes()) // ['G','A','B','C','D','E','F# / Gb','G']
console.log(aCustomScale.scale([0, 3, 7, 10, 11], true).getNotes()) // [ 'A', 'C', 'E', 'G', 'G# / Ab' ]

// Chords
var cMajorChord = gotScales.chord('Cmaj') // Can be 'C' or 'CMaj'
var aMinorChord = gotScales.chord('Am') // Can be 'Am' or 'Amin'
console.log(cMajorChord).getNotes()) // ['C','E','G']
console.log(aMinorChord).getNotes()) // ['A','C','E']