Make w3c community groups icon local / don't bother w3c server

Author: Peter Rushforth

Gruntfile.js

@@ -77,6 +77,13 @@ module.exports = function(grunt) {
             filter: 'isFile',
             src: ['*.png'],
             dest: 'dist/images/'
+          },
+          {
+            expand: true,
+            flatten: true,
+            filter: 'isFile',
+            src: ['w3community.ico'],
+            dest: 'dist/images/'
           }
         ]
       },
@@ -86,8 +93,12 @@ module.exports = function(grunt) {
             expand: true,
             src: ['dist/*'],
             dest: '../experiments'
-          }
-        ]
+          },
+          {
+            expand: true,
+            src: ['dist/images/*'],
+            dest: '../experiments'
+          }        ]
       },
       extension: {
         files: [

src/mapml/control/AttributionButton.js

@@ -1,10 +1,6 @@
 import { Control, DomUtil, DomEvent, Map } from 'leaflet';
 
 export var AttributionButton = Control.Attribution.extend({
-  options: {
-    prefix:
-      '<img src="https://www.w3.org/community/wp-content/themes/StoryTeller/favicon.ico" style="position: relative; top: 5px" alt="W3C Community and Business Groups logo"> <a href="https://www.w3.org/community/maps4html/">Maps for HTML Community Group</a> | <img src="data:image/svg+xml;base64,PHN2ZyBhcmlhLWhpZGRlbj0idHJ1ZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB3aWR0aD0iMTIiIGhlaWdodD0iOCI+PHBhdGggZmlsbD0iIzRDN0JFMSIgZD0iTTAgMGgxMnY0SDB6Ii8+PHBhdGggZmlsbD0iI0ZGRDUwMCIgZD0iTTAgNGgxMnYzSDB6Ii8+PHBhdGggZmlsbD0iI0UwQkMwMCIgZD0iTTAgN2gxMnYxSDB6Ii8+PC9zdmc+" style="padding-right: 0.3em;" alt="Slava Ukraini"> <a href="https://leafletjs.com" title="A JS library for interactive maps">Leaflet</a> '
-  },
   _getLocale: function () {
     return this.options.mapEl && this.options.mapEl.locale
       ? this.options.mapEl.locale
@@ -85,6 +81,12 @@ Map.addInitHook(function () {
   }
 });
 
-export var attributionButton = function (options) {
+export var attributionButton = function (opts) {
+  /* jshint ignore:start */
+  const w3icon = new URL('images/w3community.ico', import.meta.url).href;
+  /* jshint ignore:end */
+  const options = Object.assign(opts, {
+    prefix: `<img src="${w3icon}" style="position: relative; top: 5px" alt="W3C Community and Business Groups logo"> <a href="https://www.w3.org/community/maps4html/">Maps for HTML Community Group</a> | <img src="data:image/svg+xml;base64,PHN2ZyBhcmlhLWhpZGRlbj0idHJ1ZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB3aWR0aD0iMTIiIGhlaWdodD0iOCI+PHBhdGggZmlsbD0iIzRDN0JFMSIgZD0iTTAgMGgxMnY0SDB6Ii8+PHBhdGggZmlsbD0iI0ZGRDUwMCIgZD0iTTAgNGgxMnYzSDB6Ii8+PHBhdGggZmlsbD0iI0UwQkMwMCIgZD0iTTAgN2gxMnYxSDB6Ii8+PC9zdmc+" style="padding-right: 0.3em;" alt="Slava Ukraini"> <a href="https://leafletjs.com" title="A JS library for interactive maps">Leaflet</a> `
+  });
   return new AttributionButton(options);
 };