index.js

//
// index.js creates a database of all the 
// soundfiles, tutorials, examples and stores
// in separate json files under src/data
//

// Read all the audio-files and serve the data sheet
const fs = require('fs-extra');
const fg = require('fast-glob');
const path = require('path');

fs.ensureDirSync('src/data');

// get soundfile paths
let samples = getFiles('public/assets/samples/**/*.wav');
fs.writeJSONSync('src/data/samples.json', samples, {spaces : 2});

// load example
let examples = getFiles('public/assets/examples/**/*.txt');
Object.keys(examples).forEach((f) => {
	examples[f] = fs.readFileSync(`./public/${examples[f]}`, 'utf8');
});
fs.writeJSONSync('src/data/examples.json', examples, {spaces : 2});

// load tutorials
let tuts = getFiles('public/assets/tutorial/**/*.txt');
Object.keys(tuts).forEach((f) => {
	tuts[f] = fs.readFileSync(`./public/${tuts[f]}`, 'utf8');
});
fs.writeJSONSync('src/data/tutorials.json', tuts, {spaces : 2});

// return a list of files in json format 
// with key: filename value: path
function getFiles(glob){
	const fold = fg.sync(glob);
	let files = {};

	for (let f in fold){
		let file = path.parse(fold[f]);
		let rel = fold[f].split(path.sep).slice(1).join('/');
		files[file.name] = rel;
	}
	return files;
}