update tool and dev env

Author: errorrik

package-lock.json

@@ -2,11 +2,17 @@
     "name": "esljs",
     "description": "ESL是一个浏览器端、符合AMD的标准加载器，适合用于现代Web浏览器端应用的入口与模块管理。",
     "version": "2.2.2-beta.2",
+    "scripts": {
+        "build": "tool/dist.sh"
+    },
     "main": "dist/esl.js",
     "browser": "src/esl.js",
     "files": [
         "src",
         "dist"
     ],
-    "repository": "git://github.com/ecomfe/esl"
+    "repository": "git://github.com/ecomfe/esl",
+    "devDependencies": {
+        "uglify-js": "^2.8.22"
+    }
 }

package.json

@@ -14,11 +14,11 @@ mkdir dist-check/src
 cp src/esl.js dist-check/src/esl.source.js
 # node tool/rm-ignore.js -i dist-check/src/esl.source.js -o dist-check/src/esl.source.min.js
 cd dist-check/src
-uglifyjs esl.source.js -m -c --source-map=esl.map --source-map-include-sources --source-map-url=esl.map -o esl.js
+npx uglifyjs esl.source.js -m -c --source-map=esl.map --source-map-include-sources --source-map-url=esl.map -o esl.js
 cd ../../
 # uglifyjs dist-check/src/esl.source.min.js -m -c -o dist-check/src/esl.min.js
-uglifyjs src/js.js -m -c -o dist-check/src/js.js
-uglifyjs src/css.js -m -c -o dist-check/src/css.js
+npx uglifyjs src/js.js -m -c -o dist-check/src/js.js
+npx uglifyjs src/css.js -m -c -o dist-check/src/css.js
 
 gzip -kf dist-check/src/esl.js
 # gzip -kf dist-check/src/esl.min.js