- adding ios pod installer

README.md

@@ -66,7 +66,7 @@ allprojects {
 > **Note:** Android SDK 27 > is supported
 
 - **iOS**
-    - Run Command: `cd ../node_modules/react-native-toasty/ios` && `pod install`. If it has error => try pod repo update then pod install
+    - After `react-native link react-native-toasty`, please verify `node_modules/react-native-toasty/ios/` contains `Pods` folder. If does not exist please execute `pod install` command on `node_modules/react-native-toasty/ios/`, if any error => try `pod repo update` then `pod install`
 
 
 ## 💻 Usage

package.json

@@ -1,10 +1,11 @@
 {
     "name": "react-native-toasty",
-    "version": "0.0.1",
+    "version": "0.0.2",
     "description": "React Native: Native Toast",
     "main": "js/RNToasty.js",
     "scripts": {
-        "test": "echo \"Error: no test specified\" && exit 1"
+        "test": "echo \"Error: no test specified\" && exit 1",
+        "postinstall": "node scripts/installer.js"
     },
     "keywords": [
         "react-native"

scripts/installer.js

@@ -0,0 +1,100 @@
+const exec = require('child_process').exec
+
+var osvar = process.platform
+
+if (osvar !== 'darwin') return
+
+exists('pod')
+  .then(function(command) {
+    installPods()
+  })
+  .catch(function() {
+    installCocoaPods().then(() => {
+      installPods()
+    })
+  })
+
+function installPods() {
+  console.log('executing pod install command')
+
+  exec('cd ./ios && pod install', (err, stdout, stderr) => {
+    console.log(stderr)
+
+    if (err === undefined || err === null) {
+      console.log('pod install command successfull')
+      return
+    }
+
+    if (stdout !== undefined && stdout !== null) {
+      if (stdout.includes('could not find compatible versions for pod')) {
+        console.log('executing pod repo update command.')
+
+        exec('pod repo update', (err, stdout, stderr) => {
+          if (err === undefined || err === null) {
+            console.log('pod repo update successfull')
+
+            exec('cd ./ios && pod install', (err, stdout, stderr) => {})
+
+            return
+          }
+
+          console.log(stdout)
+        })
+      }
+    } else {
+      console.log('pod install sucessfull')
+    }
+  })
+}
+
+function installCocoaPods() {
+  console.log('installing socoapods.')
+
+  return new Promise((resolve, reject) => {
+    run('sudo gem install cocoapods')
+      .then(() => {
+        console.log('sudo gem install cocoapods sucessfull')
+        resolve()
+      })
+      .catch(e => {
+        console.log(e)
+      })
+  })
+}
+
+// returns Promise which fulfills with true if command exists
+function exists(cmd) {
+  return run(`which ${cmd}`).then(stdout => {
+    if (stdout.trim().length === 0) {
+      // maybe an empty command was supplied?
+      // are we running on Windows??
+      return Promise.reject(new Error('No output'))
+    }
+
+    const rNotFound = /^[\w\-]+ not found/g
+
+    if (rNotFound.test(cmd)) {
+      return Promise.resolve(false)
+    }
+
+    return Promise.resolve(true)
+  })
+}
+
+function run(command) {
+  return new Promise((fulfill, reject) => {
+    exec(command, (err, stdout, stderr) => {
+      if (err) {
+        reject(err)
+        return
+      }
+
+      if (stderr) {
+        reject(new Error(stderr))
+        return
+      }
+
+      fulfill(stdout)
+    })
+  })
+}