diff --git a/tslint.json b/tslint.json
index f0adae980..03c9ebccb 100644
--- a/tslint.json
+++ b/tslint.json
@@ -1,92 +1,64 @@
 {
-  "extends": "tslint:recommended",
-  "rules": {
-    "array-type": false,
-    "arrow-parens": false,
-    "deprecation": {
-      "severity": "warning"
+    "extends": "tslint:recommended",
+    "rules": {
+        "array-type": false,
+        "arrow-parens": false,
+        "deprecation": {
+            "severity": "warning"
+        },
+        "component-class-suffix": true,
+        "contextual-lifecycle": true,
+        "directive-class-suffix": true,
+        "directive-selector": [true, "attribute", "app", "camelCase"],
+        "component-selector": [true, "element", "app", "kebab-case"],
+        "import-blacklist": [true, "rxjs/Rx"],
+        "interface-name": false,
+        "max-classes-per-file": false,
+        "max-line-length": [true, 140],
+        "member-access": false,
+        "member-ordering": [
+            true,
+            {
+                "order": [
+                    "static-field",
+                    "instance-field",
+                    "static-method",
+                    "instance-method"
+                ]
+            }
+        ],
+        "no-consecutive-blank-lines": false,
+        "no-console": [true, "debug", "info", "time", "timeEnd", "trace"],
+        "no-empty": false,
+        "no-inferrable-types": [true, "ignore-params"],
+        "no-non-null-assertion": true,
+        "no-redundant-jsdoc": true,
+        "no-switch-case-fall-through": true,
+        "no-use-before-declare": true,
+        "no-var-requires": false,
+        "object-literal-key-quotes": [true, "as-needed"],
+        "object-literal-sort-keys": false,
+        "ordered-imports": false,
+        "quotemark": [true, "single"],
+        "trailing-comma": false,
+        "no-conflicting-lifecycle": true,
+        "no-host-metadata-property": true,
+        "no-input-rename": true,
+        "no-inputs-metadata-property": true,
+        "no-output-native": true,
+        "no-output-on-prefix": true,
+        "no-output-rename": true,
+        "no-outputs-metadata-property": true,
+        "template-banana-in-box": true,
+        "template-no-negated-async": true,
+        "typedef": [
+            true,
+            "call-signature",
+            "parameter",
+            "member-variable-declaration"
+        ],
+        "use-lifecycle-interface": true,
+        "use-pipe-transform-interface": true
     },
-    "component-class-suffix": true,
-    "contextual-lifecycle": true,
-    "directive-class-suffix": true,
-    "directive-selector": [
-      true,
-      "attribute",
-      "app",
-      "camelCase"
-    ],
-    "component-selector": [
-      true,
-      "element",
-      "app",
-      "kebab-case"
-    ],
-    "import-blacklist": [
-      true,
-      "rxjs/Rx"
-    ],
-    "interface-name": false,
-    "max-classes-per-file": false,
-    "max-line-length": [
-      true,
-      140
-    ],
-    "member-access": false,
-    "member-ordering": [
-      true,
-      {
-        "order": [
-          "static-field",
-          "instance-field",
-          "static-method",
-          "instance-method"
-        ]
-      }
-    ],
-    "no-consecutive-blank-lines": false,
-    "no-console": [
-      true,
-      "debug",
-      "info",
-      "time",
-      "timeEnd",
-      "trace"
-    ],
-    "no-empty": false,
-    "no-inferrable-types": [
-      true,
-      "ignore-params"
-    ],
-    "no-non-null-assertion": true,
-    "no-redundant-jsdoc": true,
-    "no-switch-case-fall-through": true,
-    "no-use-before-declare": true,
-    "no-var-requires": false,
-    "object-literal-key-quotes": [
-      true,
-      "as-needed"
-    ],
-    "object-literal-sort-keys": false,
-    "ordered-imports": false,
-    "quotemark": [
-      true,
-      "single"
-    ],
-    "trailing-comma": false,
-    "no-conflicting-lifecycle": true,
-    "no-host-metadata-property": true,
-    "no-input-rename": true,
-    "no-inputs-metadata-property": true,
-    "no-output-native": true,
-    "no-output-on-prefix": true,
-    "no-output-rename": true,
-    "no-outputs-metadata-property": true,
-    "template-banana-in-box": true,
-    "template-no-negated-async": true,
-    "use-lifecycle-interface": true,
-    "use-pipe-transform-interface": true
-  },
-  "rulesDirectory": [
-    "codelyzer"
-  ]
-}
\ No newline at end of file
+    "rulesDirectory": ["codelyzer"]
+}