Add open-cli dev dependency to support Windows and Linux

package.json

@@ -4,8 +4,8 @@
     "pre-publish": "jlpm && cd buildutils && npm run build && cd .. && node buildutils/lib/prepublish.js",
     "add:sibling": "node buildutils/lib/add-sibling.js",
     "analyze": "jlpm run analyze:dev",
-    "analyze:dev": "cd dev_mode && jlpm run build --analyze && open static/stats.html",
-    "analyze:prod": "cd dev_mode && jlpm run build:prod --analyze && open static/stats.html",
+    "analyze:dev": "cd dev_mode && jlpm run build --analyze && opn static/stats.html",
+    "analyze:prod": "cd dev_mode && jlpm run build:prod --analyze && opn static/stats.html",
     "build": "jlpm run build:dev",
     "build:core": "cd jupyterlab/staging && jlpm && jlpm run build",
     "build:dev": "jlpm run integrity && jlpm run build:packages && cd dev_mode && jlpm run build",
@@ -69,6 +69,7 @@
     "husky": "~1.0.0-rc.13",
     "lerna": "^3.4.1",
     "lint-staged": "^7.1.0",
+    "opn-cli": "^4.0.0",
     "prettier": "^1.11.1",
     "tslint": "^5.11.0",
     "tslint-config-prettier": "^1.9.0",

yarn.lock

@@ -3902,6 +3902,10 @@ file-loader@1.1.11, file-loader@~1.1.11:
     loader-utils "^1.0.2"
     schema-utils "^0.4.5"
 
+file-type@^10.4.0:
+  version "10.7.0"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-10.7.0.tgz#b6a9bf24f1d14ba514ab9087c7864d4da4a7ce76"
+
 file-uri-to-path@1:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
@@ -5212,6 +5216,10 @@ is-windows@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
 
+is-wsl@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
+
 isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
@@ -6604,6 +6612,20 @@ meow@^4.0.0:
     redent "^2.0.0"
     trim-newlines "^2.0.0"
 
+meow@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-5.0.0.tgz#dfc73d63a9afc714a5e371760eb5c88b91078aa4"
+  dependencies:
+    camelcase-keys "^4.0.0"
+    decamelize-keys "^1.0.0"
+    loud-rejection "^1.0.0"
+    minimist-options "^3.0.1"
+    normalize-package-data "^2.3.4"
+    read-pkg-up "^3.0.0"
+    redent "^2.0.0"
+    trim-newlines "^2.0.0"
+    yargs-parser "^10.0.0"
+
 merge-stream@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/merge-stream/-/merge-stream-1.0.1.tgz#4041202d508a342ba00174008df0c251b8c135e1"
@@ -7276,6 +7298,22 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
+opn-cli@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/opn-cli/-/opn-cli-4.0.0.tgz#dcc00052db3f296384f76e56ca1c59ffd7deb4d0"
+  dependencies:
+    file-type "^10.4.0"
+    get-stdin "^6.0.0"
+    meow "^5.0.0"
+    opn "^5.4.0"
+    temp-write "^3.4.0"
+
+opn@^5.4.0:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/opn/-/opn-5.4.0.tgz#cb545e7aab78562beb11aa3bfabc7042e1761035"
+  dependencies:
+    is-wsl "^1.1.0"
+
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
@@ -10688,7 +10726,7 @@ yallist@^3.0.0, yallist@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.2.tgz#8452b4bb7e83c7c188d8041c1a837c773d6d8bb9"
 
-yargs-parser@^10.1.0:
+yargs-parser@^10.0.0, yargs-parser@^10.1.0:
   version "10.1.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-10.1.0.tgz#7202265b89f7e9e9f2e5765e0fe735a905edbaa8"
   dependencies: