Add minifier for es2015

Makefile

@@ -157,8 +157,6 @@ transpile: stamp-npm src
 
 BUILDS = dist/converse.js \
 		 dist/converse.min.js \
-		 dist/converse-esnext.js \
-		 dist/converse-esnext.min.js \
 		 dist/converse-muc-embedded.js \
 		 dist/converse-muc-embedded.min.js \
 		 dist/converse-no-jquery.js \
@@ -166,6 +164,11 @@ BUILDS = dist/converse.js \
 		 dist/converse-no-dependencies.min.js \
 		 dist/converse-no-dependencies.js
 
+# XXX: I haven't yet found a ES2015-capable uglifier for this, 
+# so disabled for now:
+# dist/converse-esnext.js \
+# dist/converse-esnext.min.js \
+
 dist/converse.js: transpile src node_modules
 	$(RJS) -o src/build.js include=converse out=dist/converse.js optimize=none 
 dist/converse.min.js: transpile src node_modules

package-lock.json

@@ -530,6 +530,12 @@
         "babel-runtime": "6.26.0"
       }
     },
+    "babel-plugin-groundskeeper-willie": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/babel-plugin-groundskeeper-willie/-/babel-plugin-groundskeeper-willie-1.3.2.tgz",
+      "integrity": "sha1-6YMuhlYwy1i3RIIqwzX+tRT9IZ0=",
+      "dev": true
+    },
     "babel-plugin-syntax-async-functions": {
       "version": "6.13.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz",
@@ -804,6 +810,30 @@
         "babel-runtime": "6.26.0"
       }
     },
+    "babel-plugin-transform-mangle": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-mangle/-/babel-plugin-transform-mangle-0.1.7.tgz",
+      "integrity": "sha1-3M9JlsSSTuQ2rtHuf9C/1uPGxlU=",
+      "dev": true
+    },
+    "babel-plugin-transform-member-expression-literals": {
+      "version": "6.8.5",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-member-expression-literals/-/babel-plugin-transform-member-expression-literals-6.8.5.tgz",
+      "integrity": "sha512-Ux3ligf+ukzWaCbBYOstDuFBhRgMiJHlpJBKV4P47qtzVkd0lg1ddPj9fqIJqAM0n+CvxipyrZrnNnw3CdtQCg==",
+      "dev": true
+    },
+    "babel-plugin-transform-merge-sibling-variables": {
+      "version": "6.8.6",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-merge-sibling-variables/-/babel-plugin-transform-merge-sibling-variables-6.8.6.tgz",
+      "integrity": "sha512-o5Jioq553HtEAUN5uty7ELJMenXIxHI3PIs1yLqYWYQwP6mg6IPVAJ+U7i4zr9XGF/kb2RGsdehglGTV+vngqA==",
+      "dev": true
+    },
+    "babel-plugin-transform-minify-booleans": {
+      "version": "6.8.3",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-minify-booleans/-/babel-plugin-transform-minify-booleans-6.8.3.tgz",
+      "integrity": "sha512-bPbUhkeN2Nc0KH0/A19GwQGj8w+CvdJzyu8t59VoEDgsNMQ9Bopzi5DrVkrSsVjbYUaZpzq/DYLrH+wD5K2Tig==",
+      "dev": true
+    },
     "babel-plugin-transform-regenerator": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-transform-regenerator/-/babel-plugin-transform-regenerator-6.26.0.tgz",
@@ -823,6 +853,12 @@
         "babel-types": "6.26.0"
       }
     },
+    "babel-plugin-transform-undefined-to-void": {
+      "version": "6.8.3",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-undefined-to-void/-/babel-plugin-transform-undefined-to-void-6.8.3.tgz",
+      "integrity": "sha512-goYwp8dMrzHD6x9GjZ2M85Mk2vxf1h85CnUgAjfftUnlJvzF4uj5MrbReHBTbjQ96C8CuRzvhYZ3tv8H3Sc1ZA==",
+      "dev": true
+    },
     "babel-polyfill": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-polyfill/-/babel-polyfill-6.26.0.tgz",
@@ -942,6 +978,20 @@
         "babel-preset-es2017": "6.24.1"
       }
     },
+    "babel-preset-minify-es2015": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/babel-preset-minify-es2015/-/babel-preset-minify-es2015-0.0.3.tgz",
+      "integrity": "sha1-zOTRcw6PbPEeKN4nvNzq2YSZu3I=",
+      "dev": true,
+      "requires": {
+        "babel-plugin-groundskeeper-willie": "1.3.2",
+        "babel-plugin-transform-mangle": "0.1.7",
+        "babel-plugin-transform-member-expression-literals": "6.8.5",
+        "babel-plugin-transform-merge-sibling-variables": "6.8.6",
+        "babel-plugin-transform-minify-booleans": "6.8.3",
+        "babel-plugin-transform-undefined-to-void": "6.8.3"
+      }
+    },
     "babel-register": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-register/-/babel-register-6.26.0.tgz",

package.json

@@ -37,6 +37,7 @@
     "babel-cli": "^6.18.0",
     "babel-preset-env": "^1.5.2",
     "babel-preset-latest": "^6.16.0",
+    "babel-preset-minify-es2015": "0.0.3",
     "backbone": "1.3.3",
     "backbone.browserStorage": "0.0.3",
     "backbone.overview": "0.0.3",

src/converse-core.js

@@ -152,13 +152,15 @@
         if (message instanceof Error) {
             message = message.stack;
         }
-        const prefix = style ? '%c' : '';
-        const logger = _.assign({
-                'debug': _.get(console, 'log') ? console.log.bind(console) : _.noop,
-                'error': _.get(console, 'log') ? console.log.bind(console) : _.noop,
-                'info': _.get(console, 'log') ? console.log.bind(console) : _.noop,
-                'warn': _.get(console, 'log') ? console.log.bind(console) : _.noop
+        const prefix = style ? '%c' : '',
+              has_log = _.get(console, 'log'),
+              logger = _.assign({
+                'debug': has_log && console.log.bind(console) || _.noop,
+                'error': has_log && console.log.bind(console) || _.noop,
+                'info': has_log && console.log.bind(console) || _.noop,
+                'warn': has_log && console.log.bind(console) || _.noop
             }, console);
+
         if (level === Strophe.LogLevel.ERROR) {
             if (_converse.debug) {
                 logger.trace(`${prefix} ${moment().format()} ERROR: ${message}`, style);