Update dependencies (#2)

* update babel and other dependencies, add ES build

* allow tree-shaking with ES modules for ramda

* fix import of placeholder

.babelrc

@@ -1,4 +1,39 @@
 {
-    "presets": ["es2015", "stage-2"],
-    "plugins": ["transform-runtime"]
-}
+    "presets": [
+        "@babel/preset-env"
+    ],
+    "plugins": [
+        "@babel/plugin-transform-runtime",
+        "@babel/plugin-syntax-dynamic-import",
+        "@babel/plugin-syntax-import-meta",
+        "@babel/plugin-proposal-class-properties",
+        "@babel/plugin-proposal-json-strings",
+        [
+            "@babel/plugin-proposal-decorators",
+            {
+                "legacy": true
+            }
+        ],
+        "@babel/plugin-proposal-function-sent",
+        "@babel/plugin-proposal-export-namespace-from",
+        "@babel/plugin-proposal-numeric-separator",
+        "@babel/plugin-proposal-throw-expressions"
+    ],
+    "env": {
+        "es": {
+            "presets": [
+                [
+                    "@babel/preset-env",
+                    {
+                        "modules": false
+                    }
+                ]
+            ]
+        },
+        "cjs": {
+            "presets": [
+                "@babel/preset-env"
+            ]
+        },
+    }
+}

.eslintrc

@@ -23,11 +23,16 @@
     ],
     "no-plusplus": 0,
     "arrow-parens": 0,
-    "import/no-extraneous-dependencies": 0
+    "import/no-extraneous-dependencies": 0,
+    "comma-dangle": ["error", {
+      "arrays": "always-multiline",
+      "objects": "always-multiline",
+      "imports": "always-multiline",
+      "exports": "always-multiline",
+      "functions": "ignore",
+    }]
   },
   "parserOptions": {
-    "ecmaFeatures": {
-      "experimentalObjectRestSpread": true
-    }
+    "ecmaVersion": 6
   }
-}
+}

.gitignore

@@ -3,7 +3,8 @@ node_modules
 *.sublime-workspace
 .DS_Store
 lib
+es
 .publish
 dist
 min
-*.log
+*.log

Makefile

@@ -1,13 +1,14 @@
 BIN=node_modules/.bin
 
-MOCHA_ARGS= --compilers js:babel-register
+MOCHA_ARGS= --require @babel/register
 MOCHA_TARGET=src/**/test*.js
 
 clean:
-	rm -rf lib
+	rm -rf lib es
 
 build: clean
-	$(BIN)/babel src --out-dir lib
+	BABEL_ENV=cjs $(BIN)/babel src --out-dir lib
+	BABEL_ENV=es $(BIN)/babel src --out-dir es
 
 test: lint
 	NODE_ENV=test $(BIN)/mocha $(MOCHA_ARGS) $(MOCHA_TARGET)