refactor: esling config added

.eslintignore

@@ -0,0 +1,7 @@
+# /node_modules/* and /bower_components/* ignored by default
+
+app/App_Resources/*
+hooks/*
+platforms/*
+dist/*
+scripts/*

.eslintrc

@@ -0,0 +1,233 @@
+{
+    "env": {
+        "node": true,
+        "es6": true
+    },
+    "globals": {
+        "global": true
+    },
+    "extends": "eslint:recommended",
+    "rules": {
+        "accessor-pairs": "error",
+        "array-bracket-spacing": "error",
+        "arrow-body-style": "error",
+        "arrow-parens": "error",
+        "arrow-spacing": "error",
+        "block-spacing": "error",
+        "brace-style": [
+            "error",
+            "stroustrup",
+            { "allowSingleLine": true }
+        ],
+        "camelcase": "error",
+        "comma-dangle": "error",
+        "comma-spacing": "error",
+        "comma-style": "error",
+        "complexity": "error",
+        "computed-property-spacing": "error",
+        "curly": "error",
+        "default-case": "error",
+        "dot-location": [
+            "error",
+            "property"
+        ],
+        "dot-notation": "error",
+        "eol-last": "error",
+        "eqeqeq": "error",
+        "func-call-spacing": "error",
+        "generator-star-spacing": "error",
+        "guard-for-in": "error",
+        "handle-callback-err": "error",
+        "id-blacklist": "error",
+        "id-match": "error",
+        "keyword-spacing": "error",
+        "max-depth": "error",
+        "max-nested-callbacks": "error",
+        "max-statements-per-line": "error",
+        "new-parens": "error",
+        "newline-per-chained-call": "off",
+        "no-alert": "error",
+        "no-array-constructor": "error",
+        "no-bitwise": [
+            "error",
+            {
+                "int32Hint": true
+            }
+        ],
+        "no-caller": "error",
+        "no-catch-shadow": "error",
+        "no-confusing-arrow": "error",
+        "no-console": "off",
+        "no-continue": "off",
+        "no-div-regex": "error",
+        "no-duplicate-imports": "error",
+        "no-else-return": "off",
+        "no-empty-function": "off",
+        "no-eq-null": "off",
+        "no-eval": "error",
+        "no-extend-native": "error",
+        "no-extra-bind": "error",
+        "no-extra-label": "error",
+        "no-extra-parens": "off",
+        "no-floating-decimal": "error",
+        "no-global-assign": "error",
+        "no-implicit-coercion": [
+            "error",
+            {
+                "boolean": false,
+                "number": false,
+                "string": false
+            }
+        ],
+        "no-implicit-globals": "error",
+        "no-implied-eval": "error",
+        "no-inline-comments": "off",
+        "no-inner-declarations": [
+            "error",
+            "functions"
+        ],
+        "no-invalid-this": "off",
+        "no-iterator": "error",
+        "no-label-var": "error",
+        "no-labels": "error",
+        "no-lone-blocks": "error",
+        "no-lonely-if": "off",
+        "no-loop-func": "error",
+        "no-magic-numbers": "off",
+        "no-mixed-operators": "error",
+        "no-mixed-requires": "error",
+        "no-multi-spaces": "error",
+        "no-multi-str": "error",
+        "no-multiple-empty-lines": "error",
+        "no-negated-condition": "off",
+        "no-nested-ternary": "error",
+        "no-new": "error",
+        "no-new-func": "error",
+        "no-new-object": "error",
+        "no-new-require": "error",
+        "no-new-wrappers": "error",
+        "no-octal-escape": "error",
+        "no-param-reassign": "off",
+        "no-path-concat": "error",
+        "no-plusplus": "off",
+        "no-process-env": "off",
+        "no-process-exit": "off",
+        "no-proto": "off",
+        "no-prototype-builtins": "off",
+        "no-restricted-globals": "error",
+        "no-restricted-imports": "error",
+        "no-restricted-modules": "error",
+        "no-restricted-syntax": "error",
+        "no-return-assign": [
+            "error",
+            "except-parens"
+        ],
+        "no-script-url": "error",
+        "no-self-compare": "error",
+        "no-sequences": "error",
+        "no-shadow": "off",
+        "no-shadow-restricted-names": "error",
+        "no-spaced-func": "error",
+        "no-sync": "off",
+        "no-tabs": "off",
+        "no-template-curly-in-string": "error",
+        "no-ternary": "off",
+        "no-throw-literal": "error",
+        "no-trailing-spaces": "error",
+        "no-undef-init": "off",
+        "no-undefined": "off",
+        "no-underscore-dangle": "off",
+        "no-unmodified-loop-condition": "error",
+        "no-unneeded-ternary": "off",
+        "no-unsafe-negation": "error",
+        "no-unused-expressions": "error",
+        "no-unused-vars": [
+            "error",
+            {
+                "vars": "all",
+                "args": "none",
+                "ignoreRestSiblings": false
+            }
+        ],
+        "no-use-before-define": "off",
+        "no-useless-call": "off",
+        "no-useless-computed-key": "error",
+        "no-useless-concat": "error",
+        "no-useless-constructor": "error",
+        "no-useless-escape": "off",
+        "no-useless-rename": "error",
+        "no-var": "error",
+        "no-void": "off",
+        "no-warning-comments": "off",
+        "no-whitespace-before-property": "error",
+        "no-with": "error",
+        "object-curly-newline": "off",
+        "object-curly-spacing": [
+            "error",
+            "always"
+        ],
+        "object-property-newline": "error",
+        "object-shorthand": "off",
+        "one-var": [
+            "error",
+            "never"
+        ],
+        "one-var-declaration-per-line": "off",
+        "operator-assignment": "off",
+        "operator-linebreak": [
+            "error",
+            "after"
+        ],
+        "padded-blocks": "off",
+        "padding-line-between-statements": [
+            "error",
+            {
+                "blankLine": "always",
+                "prev": "*",
+                "next": "return"
+            }
+        ],
+        "prefer-arrow-callback": "error",
+        "prefer-const": "error",
+        "prefer-spread": "error",
+        "prefer-template": "error",
+        "quotes": "error",
+        "radix": "error",
+        "rest-spread-spacing": "error",
+        "semi": "error",
+        "semi-spacing": [
+            "error",
+            {
+                "after": true,
+                "before": false
+            }
+        ],
+        "sort-imports": "error",
+        "space-before-blocks": "error",
+        "space-in-parens": [
+            "error",
+            "never"
+        ],
+        "space-infix-ops": "error",
+        "space-unary-ops": "error",
+        "strict": "error",
+        "template-curly-spacing": "error",
+        "unicode-bom": [
+            "error",
+            "never"
+        ],
+        "wrap-iife": "error",
+        "wrap-regex": "error",
+        "yield-star-spacing": "error",
+        "yoda": [
+            "error",
+            "never"
+        ]
+    },
+    "parserOptions": {
+        "ecmaVersion": 6,
+        "ecmaFeatures": {
+            "impliedStrict": true
+        }
+    }
+}

app/application/android-broadcast-receiver/android-broadcast-receiver-page.js

@@ -1,10 +1,11 @@
 
-var applicationModule = require("tns-core-modules/application");
-var Observable = require("tns-core-modules/data/observable").Observable;
-var platformModule = require("tns-core-modules/platform");
-var vm, receiver;
+const applicationModule = require("tns-core-modules/application");
+const Observable = require("tns-core-modules/data/observable").Observable;
+const platformModule = require("tns-core-modules/platform");
+let vm;
+let receiver;
 function onNavigatingTo(args) {
-    var page = args.object;
+    const page = args.object;
     page.actionBar.title = "";
     vm = new Observable();
     vm.set("info", "Using Android Broadcast Receiver \nto check the battery life");
@@ -19,10 +20,10 @@ function onNavigatedTo(args) {
     // >> broadcast-receiver
     if (platformModule.isAndroid) {
         // use tns-platform-dclarations to acces native APIs (e.g. ndroid.content.Intent)
-        receiver = applicationModule.android.registerBroadcastReceiver(android.content.Intent.ACTION_BATTERY_CHANGED, function onReceiveCallback(context, intent) {
-            var level = intent.getIntExtra(android.os.BatteryManager.EXTRA_LEVEL, -1);
-            var scale = intent.getIntExtra(android.os.BatteryManager.EXTRA_SCALE, -1);
-            var percent = (level / scale) * 100.0;
+        receiver = applicationModule.android.registerBroadcastReceiver(android.content.Intent.ACTION_BATTERY_CHANGED, (context, intent) => {
+            const level = intent.getIntExtra(android.os.BatteryManager.EXTRA_LEVEL, -1);
+            const scale = intent.getIntExtra(android.os.BatteryManager.EXTRA_SCALE, -1);
+            const percent = (level / scale) * 100.0;
             vm.set("batteryLife", percent.toString());
         });
     }

app/application/application-events/application-events-page.js

@@ -1,18 +1,26 @@
 // >> application-events-import
-var applicationModule = require("tns-core-modules/application");
+const applicationModule = require("tns-core-modules/application");
 // << application-events-import
-var Observable = require("tns-core-modules/data/observable").Observable;
-var enums = require("ui/enums");
-var vm;
-var launchListener, suspendListener, resumeListener, exitListener, displayedListener, lowMemoryListener, orientationChangedListener, uncaughtErrorListener;
+const Observable = require("tns-core-modules/data/observable").Observable;
+const enums = require("ui/enums");
+let vm;
+let launchListener;
+let suspendListener;
+let resumeListener;
+let exitListener;
+let displayedListener;
+let lowMemoryListener;
+let orientationChangedListener;
+let uncaughtErrorListener;
+
 function onNavigatingTo(args) {
-    var page = args.object;
+    const page = args.object;
     vm = new Observable();
     vm.set("actionBarTitle", args.context.actionBarTitle);
     vm.set("info", "Refer to the code-behind files \nfor Application Events snippets");
     if (applicationModule.android) {
-        var activity = applicationModule.android.foregroundActivity;
-        var orientationEnum = activity.getResources().getConfiguration().orientation;
+        const activity = applicationModule.android.foregroundActivity;
+        const orientationEnum = activity.getResources().getConfiguration().orientation;
         vm.set("orientation", (orientationEnum === 1 ? enums.DeviceOrientation.portrait : enums.DeviceOrientation.landscape));
     }
     else if (applicationModule.ios) {
@@ -24,36 +32,36 @@ function onNavigatingTo(args) {
 exports.onNavigatingTo = onNavigatingTo;
 function onGridLoaded(args) {
     // >> application-events
-    launchListener = applicationModule.on(applicationModule.launchEvent, function (args) {
+    launchListener = applicationModule.on(applicationModule.launchEvent, (args) => {
         // The root view for this Window on iOS or Activity for Android.
         // If not set a new Frame will be created as a root view in order to maintain backwards compatibility.
-        console.log("Root View: " + args.root);
+        console.log("Root View: ", args.root);
         console.log("The appication was launched!");
     });
-    suspendListener = applicationModule.on(applicationModule.suspendEvent, function (args) {
+    suspendListener = applicationModule.on(applicationModule.suspendEvent, (args) => {
         console.log("The appication was suspended!");
     });
-    resumeListener = applicationModule.on(applicationModule.resumeEvent, function (args) {
+    resumeListener = applicationModule.on(applicationModule.resumeEvent, (args) => {
         console.log("The appication was resumed!");
     });
-    exitListener = applicationModule.on(applicationModule.exitEvent, function (args) {
+    exitListener = applicationModule.on(applicationModule.exitEvent, (args) => {
         console.log("The appication was closed!");
     });
-    displayedListener = applicationModule.on(applicationModule.displayedEvent, function (args) {
+    displayedListener = applicationModule.on(applicationModule.displayedEvent, (args) => {
         console.log("NativeScript displayedEvent");
     });
-    lowMemoryListener = applicationModule.on(applicationModule.lowMemoryEvent, function (args) {
+    lowMemoryListener = applicationModule.on(applicationModule.lowMemoryEvent, (args) => {
         // the instance that has raidsed the event
-        console.log("Instance: " + args.object);
+        console.log("Instance: ", args.object);
     });
-    orientationChangedListener = applicationModule.on(applicationModule.orientationChangedEvent, function (args) {
+    orientationChangedListener = applicationModule.on(applicationModule.orientationChangedEvent, (args) => {
         // orientationChangedEventData.newValue: "portrait" | "landscape" | "unknown"
-        console.log("Orientation: " + args.newValue);
+        console.log("Orientation: ", args.newValue);
         vm.set("orientation", args.newValue);
     });
-    uncaughtErrorListener = applicationModule.on(applicationModule.uncaughtErrorEvent, function (args) {
+    uncaughtErrorListener = applicationModule.on(applicationModule.uncaughtErrorEvent, (args) => {
         // UnhandledErrorEventData.error: NativeScriptError
-        console.log("NativeScript Error: " + args.error);
+        console.log("NativeScript Error: ", args.error);
     });
     // << application-events
 }

app/application/application-page.js

@@ -1,13 +1,16 @@
-var ListViewLinksModel = require("../links-view-model");
-var link = require("../link");
-var navigationLinks = [
+const ListViewLinksModel = require("../links-view-model");
+const link = require("../link");
+const navigationLinks = [
     new link("Check Platform", "/application/check-platform/check-platform-page"),
     new link("Application Events", "/application/application-events/application-events-page"),
     new link("Android Broadcast Receiver", "/application/android-broadcast-receiver/android-broadcast-receiver-page"),
     new link("iOS Notification Observer", "/application/ios-notification-observer/ios-notification-observer-page")
 ];
 function onNavigatingTo(args) {
-    var page = args.object;
-    page.bindingContext = new ListViewLinksModel({ links: navigationLinks, actionBarTitle: args.context.title });
+    const page = args.object;
+    page.bindingContext = new ListViewLinksModel({
+        links: navigationLinks,
+        actionBarTitle: args.context.title
+    });
 }
 exports.onNavigatingTo = onNavigatingTo;