fix(build): add windows support (#530)

Author: Gcaufy

package.json

@@ -10,12 +10,12 @@
   "scripts": {
     "lint": "tsc storage.d.ts",
     "test": "npm run lint && npm run test:node",
-    "test:node": "NODE_ENV=test nyc --reporter lcov --reporter text mocha --timeout 300000 test/index.js",
+    "test:node": "cross-env NODE_ENV=test nyc --reporter lcov --reporter text mocha --timeout 300000 test/index.js",
     "docs": "jsdoc src README.md package.json -d docs -c .jsdocrc.json",
     "build:node": "gulp babel-node",
-    "build:browser": "CLIENT_PLATFORM=Browser webpack --config webpack/browser.js",
-    "build:rn": "CLIENT_PLATFORM=ReactNative webpack --config webpack/rn.js",
-    "build:weapp": "CLIENT_PLATFORM=Weapp webpack --config webpack/weapp.js",
+    "build:browser": "cross-env CLIENT_PLATFORM=Browser webpack --config webpack/browser.js",
+    "build:rn": "cross-env CLIENT_PLATFORM=ReactNative webpack --config webpack/rn.js",
+    "build:weapp": "cross-env CLIENT_PLATFORM=Weapp webpack --config webpack/weapp.js",
     "build": "gulp build && npm run build:live-query",
     "build:live-query": "export LIVE_QUERY=1 && npm run build:browser && npm run build:rn && npm run build:weapp",
     "prepublishOnly": "./script/check-version.js"
@@ -37,6 +37,7 @@
     "babel-plugin-istanbul": "^2.0.0",
     "babel-preset-es2015": "^6.3.13",
     "babel-register": "^6.14.0",
+    "cross-env": "^5.1.3",
     "docdash": "git+https://github.com/leeyeh/docdash.git#leancloud",
     "eslint": "^2.8.0",
     "eslint-config-airbnb": "^8.0.0",