Restructures src directory and implements RollUpJS

.travis.yml

@@ -6,6 +6,6 @@ dist: bionic
 install:
  - npm install
  - npm install -g grunt-cli
- - grunt clean copy
+ - grunt clean copy rollup
 script:
  - npm test

Gruntfile.js

@@ -137,7 +137,16 @@ module.exports = function(grunt) {
     },
     clean: {
       dist: ['dist']
-    }
+    },
+    rollup: {
+      options: {
+        format: 'iife',
+      },
+      main: {
+        dest: 'dist/mapml.js',
+        src: 'src/mapml/index.js', // Only one source file is permitted
+      },
+    },
   });
 
   /*grunt.loadNpmTasks('grunt-html');*/
@@ -147,12 +156,15 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-contrib-concat');
   grunt.loadNpmTasks('grunt-contrib-copy');
   grunt.loadNpmTasks('grunt-contrib-clean');
+  grunt.loadNpmTasks('grunt-rollup');
 
 /* grunt.loadNpmTasks('grunt-processhtml'); */
 
 
   grunt.registerTask('test', ['jshint']);
 
-  grunt.registerTask('default', ['clean:dist', 'copy', 'jshint', 'concat', 'uglify']);
+  grunt.registerTask('default', ['clean:dist', 'copy', 'jshint', 'concat', 'uglify', 'rollup']);
+  grunt.registerTask('build', ['rollup']);
+
 
 };

package.json

@@ -46,12 +46,14 @@
     "grunt-contrib-uglify-es": "~3.3.0",
     "grunt-contrib-watch": "~1.1.0",
     "grunt-html": "~9.3.0",
+    "grunt-rollup": "^11.3.0",
     "jest": "^26.1.0",
     "jest-playwright-preset": "^0.1.3",
     "leaflet": "~1.6.0",
     "path": "^0.12.7",
     "playwright": "^1.2.1",
     "proj4": "2.6.0",
-    "proj4leaflet": "1.0.1"
+    "proj4leaflet": "1.0.1",
+    "rollup": "^2.23.1"
   }
 }

rollup.config.js

@@ -0,0 +1,7 @@
+export default {
+  input: 'src/index.js',
+  output: {
+    file: 'bundleTest/mapml.js',
+    format: 'iife',
+  },
+};

src/mapml.css

@@ -116,4 +116,4 @@
 .mapml-contextmenu-separator {
   border-bottom: 1px solid #ccc;
   margin: 5px 0;
-}
+}