Replace requirejs with webpack to enable ES6+ and non-AMD modules

.eslintignore

@@ -1,2 +1,4 @@
 Gruntfile.js
 test/test.js
+webpack.config.js
+lib/

Gruntfile.js

@@ -1,3 +1,5 @@
+const webpackConfig = require('./webpack.config.js');
+
 module.exports = function(grunt) {
 
   grunt.initConfig({
@@ -10,148 +12,9 @@ module.exports = function(grunt) {
         src: ['src/**/*.js', 'test/tests/**/*.js']
       }
     },
-    watch: {
-      // p5 dist
-      main: {
-        files: ['src/**/*.js'],
-        tasks: ['requirejs'],
-        options: {
-          livereload: {
-            port: 35728
-          }
-        },
-      }
-    },
-    requirejs: {
-      unmin: {
-        options: {
-          baseUrl: '.',
-          findNestedDependencies: true,
-          include: ['src/app'],
-          onBuildWrite: function( name, path, contents ) {
-            if (path.indexOf('node_modules/tone/') > -1) {
-              return '/** Tone.js module by Yotam Mann, MIT License 2016  http://opensource.org/licenses/MIT **/\n' +
-              require('amdclean').clean({
-              'code': contents.replace(/console.log(.*);/g, ''),
-                'escodegen': {
-                  'comment': false,
-                  'skipDirOptimize':true,
-                  'format': {
-                    'indent': {
-                      'style': '  ',
-                      'adjustMultiLineComment': true
-                    }
-                  }
-                }
-              });
-            } else if (path.indexOf('node_modules/startaudiocontext') > -1) {
-              // return '/** StartAudioContext.js by Yotam Mann, MIT License 2017 https://github.com/tambien/StartAudioContext http://opensource.org/licenses/MIT **/\n' +
-              return require('amdclean').clean({
-                code: contents,
-                escodegen: {
-                  comment: false,
-                  format: {
-                    indent: {
-                      style: '  ',
-                      adjustMultiLineComment: true
-                    }
-                  }
-                }
-              });
-            } else {
-              return require('amdclean').clean({
-                'code':contents,
-                  'escodegen': {
-                    'comment': true,
-                    'format': {
-                      'indent': {
-                        'style': '  ',
-                        'adjustMultiLineComment': true
-                      }
-                    }
-                  }
-                });
-            }
-          },
-          optimize: 'none',
-          out: 'lib/p5.sound.js',
-          paths: {
-            'Tone' : 'node_modules/tone/Tone',
-            'StartAudioContext' : 'node_modules/startaudiocontext/StartAudioContext',
-            'automation-timeline': 'node_modules/web-audio-automation-timeline/build/automation-timeline-amd',
-            'panner' : 'src/panner',
-            'shims': 'src/shims',
-            'audiocontext': 'src/audiocontext',
-            'master': 'src/master',
-            'helpers': 'src/helpers',
-            'errorHandler': 'src/errorHandler',
-            'soundfile': 'src/soundfile',
-            'amplitude': 'src/amplitude',
-            'fft': 'src/fft',
-            'oscillator': 'src/oscillator',
-            'pulse': 'src/pulse',
-            'noise': 'src/noise',
-            'audioin': 'src/audioin',
-            'envelope': 'src/envelope',
-            'delay': 'src/delay',
-            'effect': 'src/effect',
-            'panner3d' : 'src/panner3d',
-            'listener3d': 'src/listener3d',
-            'filter': 'src/filter',
-            'reverb': 'src/reverb',
-            'eq': 'src/eq',
-            'distortion': 'src/distortion',
-            'compressor': 'src/compressor',
-            'looper': 'src/looper',
-            'soundloop': 'src/soundLoop',
-            'soundRecorder': 'src/soundRecorder',
-            'signal': 'src/signal',
-            'metro': 'src/metro',
-            'peakdetect': 'src/peakDetect',
-            'gain': 'src/gain',
-            'audioVoice': 'src/audioVoice',
-            'monosynth': 'src/monosynth',
-            'polysynth': 'src/polysynth'
-          },
-          useStrict: true,
-          wrap: {
-            start: '/*! p5.sound.js v<%= pkg.version %> <%= grunt.template.today("yyyy-mm-dd") %> */\n' + grunt.file.read('./fragments/before.frag'),
-            end: grunt.file.read('./fragments/after.frag')
-          }
-        }
-      },
-      min: {
-        options: {
-          baseUrl: '.',
-          findNestedDependencies: true,
-          include: ['src/app'],
-          onBuildWrite: function( name, path, contents ) {
-          if (path.indexOf('node_modules/tone/') > -1) {
-            return require('amdclean').clean({
-              'code':contents.replace(/console.log(.*);/g, ''),
-               'escodegen': {
-                 'comment': false
-               }
-            });
-          } else {
-             return require('amdclean').clean({
-                'code':contents,
-                 'escodegen': {
-                   'comment': false
-                 }
-              });
-           }
-          },
-          optimize: 'uglify2',
-          out: 'lib/p5.sound.min.js',
-          paths: '<%= requirejs.unmin.options.paths %>',
-          useStrict: true,
-          wrap: {
-            start: '/*! p5.sound.min.js v<%= pkg.version %> <%= grunt.template.today("yyyy-mm-dd") %> */\n' + grunt.file.read('./fragments/before.frag'),
-            end: grunt.file.read('./fragments/after.frag')
-          }
-        }
-      },
+    webpack: {
+      prod: webpackConfig,
+      dev: Object.assign({ watch: true }, webpackConfig)
     },
     open: {
       testChrome: {
@@ -179,15 +42,14 @@ module.exports = function(grunt) {
   });
 
 
-  grunt.loadNpmTasks('grunt-contrib-requirejs');
+  grunt.loadNpmTasks('grunt-webpack');
   grunt.loadNpmTasks('grunt-eslint');
-  grunt.loadNpmTasks('grunt-contrib-watch');
   grunt.loadNpmTasks('grunt-contrib-connect');
   grunt.loadNpmTasks('grunt-open');
 
   grunt.registerTask('lint', ['eslint:source']);
-  grunt.registerTask('default', ['requirejs']);
-  grunt.registerTask('dev', ['connect','requirejs', 'watch']);
+  grunt.registerTask('default', ['webpack:prod']);
+  grunt.registerTask('dev', ['connect','webpack:dev']);
   grunt.registerTask('serve', 'connect:server:keepalive');
   grunt.registerTask('run-tests', ['serve', 'open']);
 };

fragments/before.frag

@@ -62,13 +62,3 @@
  *
  *   Web Audio API: http://w3.org/TR/webaudio/
  */
-
-(function (root, factory) {
-  if (typeof define === 'function' && define.amd)
-    define('p5.sound', ['p5'], function (p5) { (factory(p5));});
-  else if (typeof exports === 'object')
-    factory(require('../p5'));
-  else
-    factory(root['p5']);
-}(this, function (p5) {
-