thgrund/lilynode-api

Express based lilypond converter for nodejs.

lilynode-api

Express based lilypond converter for nodejs.

Converts a .ly file

Convert

File format	Media type	Input format	Output format
ASCII (Lilypond)	Text	x	x
MIDI	Music	x	x
PDF	Text		x
SVG	Image		x
PNG	Image		x

Install

Test server

Server listing on port 3002 and can be changed in index.js

1. npm install
2. node index.js

Production with pm2

1. npm install
2. pm2 start index.js --name lilynode-api

Lilypond directory

structure:

1. Songtitle
2. Partiture name
   • lilypond.ly: contains lilypond code
   • lilypond.midi: generated midi file from lilypond.ly
   • lilypond.png: generated png file from lilypond.ly

Example: /files/Songtitle/Chorus/Chorus.ly

Routes

HTTP Method	Route	Body	Description
GET	/ly-converter	format=png&content={ly code}	Convert ly file to png
GET	/ly-converter	format=svg&content={ly code}	Convert ly file to svg
GET	/ly-converter	format=midi&content={ly code}	Convert ly file to midi
GET	/ly-converter	format=png&content={ly code}	Convert ly file to pdf
GET	/midi-converter/ly	midi={binary midi file}	Convert midi to ly file

Sources

• 10 Best Practices for Better RESTful API: https://medium.com/@mwaysolutions/10-best-practices-for-better-restful-api-cbe81b06f291
• PM2 Quickstart: http://pm2.keymetrics.io/docs/usage/quick-start/