fix env var handling

Author: timsuchanek

packages/graphql-playground-electron/package.json

@@ -4,7 +4,7 @@
   "homepage": "https://github.com/graphcool/graphql-playground",
   "repository": "graphcool/graphql-playground",
   "description": "Playground app",
-  "version": "1.3.7-alpha.3",
+  "version": "1.3.7-alpha.4",
   "author": {
     "name": "Graphcool",
     "email": "[email protected]",

packages/graphql-playground-electron/src/ElectronApp.tsx

@@ -239,11 +239,20 @@ cd ${folderPath}; graphql playground`)
       folderName = configPath
         ? path.basename(path.dirname(configPath))
         : undefined
+      const rawConfig = getGraphQLConfig(input.cwd).config
       config = await patchEndpointsToConfig(
-        resolveEnvsInValues(getGraphQLConfig(input.cwd).config, input.env),
+        resolveEnvsInValues(rawConfig, input.env),
         input.cwd,
         input.env,
       )
+
+      if (!this.configContainsEndpoints(config)) {
+        const graphcoolNote = configString.includes('graphcool')
+          ? 'Please make sure to add stages to your graphcool.yml'
+          : ''
+        alert(`${configPath} does not include any endpoints. ${graphcoolNote}`)
+        return
+      }
     }
 
     ipcRenderer.send(
@@ -262,6 +271,27 @@ cd ${folderPath}; graphql playground`)
     })
   }
 
+  configContainsEndpoints(config: GraphQLConfigData): boolean {
+    if (
+      Object.keys((config.extensions && config.extensions.endpoints) || {})
+        .length > 0
+    ) {
+      return true
+    }
+    return Object.keys(config.projects).reduce((acc, curr) => {
+      const project = config.projects[curr]
+      if (
+        project.extensions &&
+        project.extensions.endpoints &&
+        Object.keys(project.extensions.endpoints).length > 0
+      ) {
+        return true
+      }
+
+      return acc
+    }, false)
+  }
+
   readFileMessage = (event, message) => {
     switch (message) {
       case 'Open':

packages/graphql-playground-electron/src/main.ts

@@ -37,14 +37,19 @@ app.on('open-url', (event, url) => {
   const cutIndex = url.indexOf('//')
   const query = url.slice(cutIndex + 2)
   const input = queryString.parse(query)
-  if (input.env) {
+  let env
+  if (input.envPath) {
     try {
-      input.env = JSON.parse(input.env)
+      env = JSON.parse(fs.readFileSync(input.envPath, 'utf-8'))
+      fs.unlinkSync(input.envPath)
     } catch (e) {
       //
     }
   }
-  const msg = JSON.stringify(input)
+  const msg = JSON.stringify({
+    cwd: input.cwd,
+    env,
+  })
   forceSend('OpenUrl', msg, input.cwd)
 })
 
@@ -176,12 +181,13 @@ function createWindow() {
   windowById.set(newWindow.id, newWindow)
 
   // Emitted when the window is closed.
+  const id = newWindow.id
   newWindow.on('closed', function() {
     if (process.platform !== 'darwin' && windows.size === 0) {
       app.quit()
     }
     windows.delete(newWindow)
-    windowById.delete(newWindow.id)
+    windowById.delete(id)
     windowByPath.forEach((window, cwd) => {
       if (window === newWindow) {
         windowByPath.delete(cwd)