update deps, tests failing

.babelrc

@@ -1,3 +1,3 @@
 {
-  "presets": ["es2015", "stage-2"]
+  "presets": ["env"]
 }

package.json

@@ -8,10 +8,10 @@
     "precommit": "lint-staged",
     "build": "node ./scripts/build.js",
     "demo": "node ./scripts/demo.js",
-    "watch": "node ./scripts/watch.js",
-    "test": "TESTENV=dev tape ./test/**/*.test.js | tap-dot",
+    "watch": "amble ./scratch.js",
+    "test": "TESTENV=dev tape ./test/**/*.test.js | tap-dancer",
     "t": "TESTENV=dev tape ./test/**/immutable.test.js",
-    "testb": "TESTENV=prod tape ./test/**/*.test.js | tap-dot",
+    "testb": "TESTENV=prod tape ./test/**/*.test.js | tap-dancer",
     "lint": "eslint .",
     "size": "./node_modules/.bin/size-limit",
     "coverage": "node ./scripts/coverage.js"
@@ -26,21 +26,19 @@
   ],
   "dependencies": {},
   "devDependencies": {
-    "babel-preset-es2015": "6.9.0",
-    "babel-preset-stage-2": "^6.11.0",
+    "amble": "0.0.6",
+    "babel-preset-env": "1.7.0",
+    "tap-dancer": "0.0.3",
     "babelify": "7.3.0",
     "browserify": "13.0.1",
-    "derequire": "^2.0.3",
-    "eslint": "^3.1.1",
-    "eslint-plugin-prettier": "^2.1.2",
-    "gaze": "^1.1.1",
-    "nyc": "^8.4.0",
-    "prettier": "^1.5.3",
-    "shelljs": "^0.7.2",
-    "size-limit": "^0.8.0",
-    "tap-dot": "^1.0.5",
-    "tape": "4.6.0",
-    "timekeeper": "^1.0.0",
+    "derequire": "2.0.3",
+    "eslint": "4.19.1",
+    "gaze": "1.1.1",
+    "nyc": "11.8.0",
+    "shelljs": "0.8.2",
+    "size-limit": "0.18.1",
+    "tape": "4.9.0",
+    "timekeeper": "2.1.2",
     "uglify-js": "2.7.0"
   },
   "size-limit": [

scripts/build.js

@@ -35,14 +35,14 @@ echo(banner).to(compressed);
 
 //browserify + derequire
 var cmd = browserify + ' ./src/index.js --standalone spacetime';
-cmd += ' -t [ babelify --presets [ es2015 stage-2 ] ]';
+cmd += ' -t [ babelify --presets [ env ] ]';
 cmd += ' | ' + derequire;
 cmd += ' >> ' + uncompressed;
 exec(cmd);
 
 //add immutable build
 cmd = browserify + ' ./src/immutable.js --standalone spacetime';
-cmd += ' -t [ babelify --presets [ es2015 stage-2 ] ]';
+cmd += ' -t [ babelify --presets [ env ] ]';
 cmd += ' | ' + derequire;
 cmd += ' >> ' + immutableTmp;
 exec(cmd);