diff --git a/.eslintrc b/.eslintrc
new file mode 100644
index 0000000..3ae0c77
--- /dev/null
+++ b/.eslintrc
@@ -0,0 +1,18 @@
+{
+	"env": { "shared-node-browser":true },
+	"globals": {},
+	"parserOptions": {
+		"ecmaVersion": 3,
+	},
+	"plugins": [ "html", "json" ],
+	"!extends": "eslint:recommended",
+	"rules": {
+		"no-console": 0,
+		"no-bitwise": 0,
+		"curly": 0,
+		"comma-style": [ 2, "last" ],
+		"no-trailing-spaces": 2,
+		"semi": [ 2, "always" ],
+		"comma-dangle": [ 2, "never" ]
+	}
+}
diff --git a/.travis.yml b/.travis.yml
index ecbe283..c529897 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: node_js
 node_js:
+  - "8"
   - "7"
   - "6"
   - "5"
@@ -8,8 +9,8 @@ node_js:
   - "0.10"
   - "0.8"
 before_install:
-  - "npm install -g npm@next"
-  - "npm install -g mocha"
+  - "npm install -g npm@4.3.0"
+  - "npm install -g mocha@2.x voc"
   - "npm install codepage"
   - "npm install blanket"
   - "npm install coveralls mocha-lcov-reporter"
diff --git a/Makefile b/Makefile
index fc2ecd9..b18c1a2 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,8 @@ ULIB=$(shell echo $(LIB) | tr a-z A-Z)
 DEPS=$(sort $(wildcard bits/*.js))
 TARGET=$(LIB).js
 FLOWTARGET=$(LIB).flow.js
+FLOWTGTS=$(TARGET) $(AUXTARGETS)
+CLOSURE=/usr/local/lib/node_modules/google-closure-compiler/compiler.jar
 
 ## Main Targets
 
@@ -19,14 +21,14 @@ all: $(TARGET) ## Build library and auxiliary scripts
 lib:
 	OUTDIR=$(PWD)/lib make -C bits
 
-$(TARGET) $(AUXTARGETS): %.js : %.flow.js
+$(FLOWTGTS): %.js : %.flow.js
 	node -e 'process.stdout.write(require("fs").readFileSync("$<","utf8").replace(/^[ \t]*\/\*[:#][^*]*\*\/\s*(\n)?/gm,"").replace(/\/\*[:#][^*]*\*\//gm,""))' > $@
 
 $(FLOWTARGET): $(DEPS) lib
 	cp lib/$(REQS).js $(FLOWTARGET)
 
 bits/01_version.js: package.json
-	echo "PRINTJ.version = '"`grep version package.json | awk '{gsub(/[^0-9a-z\.-]/,"",$$2); print $$2}'`"';" > $@
+	echo "$(ULIB).version = '"`grep version package.json | awk '{gsub(/[^0-9a-z\.-]/,"",$$2); print $$2}'`"';" > $@
 
 .PHONY: clean
 clean: clean-stress ## Remove targets and build artifacts
@@ -69,12 +71,19 @@ clean-stress: ## Remove stress tests
 ## Code Checking
 
 .PHONY: lint
-lint: $(TARGET) ## Run jshint and jscs checks
+lint: $(TARGET) ## Run eslint checks
+	@eslint --ext .js,.njs,.json,.html,.htm $(TARGET) $(AUXTARGETS) $(CMDS) $(HTMLLINT) package.json bower.json
+	if [ -e $(CLOSURE) ]; then java -jar $(CLOSURE) $(FLOWTARGET) --jscomp_warning=reportUnknownTypes >/dev/null; fi
+
+.PHONY: old-lint
+old-lint: $(TARGET) ## Run jshint and jscs checks
 	@jshint --show-non-errors $(TARGET) $(AUXTARGETS)
 	@jshint --show-non-errors $(CMDS)
 	@jshint --show-non-errors package.json
 	@jshint --show-non-errors --extract=always $(HTMLLINT)
 	@jscs lib/*.js
+	if [ -e $(CLOSURE) ]; then java -jar $(CLOSURE) $(FLOWTARGET) --jscomp_warning=reportUnknownTypes >/dev/null; fi
+
 
 .PHONY: flow
 flow: lint ## Run flow checker