feat(core): update rules tslint@5.18.0 (#50)

Author: fulls1z3

README.md

@@ -30,7 +30,7 @@ If you have questions, comments or suggestions, just create an issue on this rep
 these rules with new insights, experiences and remarks in alignment with the updates on [TSLint] and [codelyzer].
 
 **Note**: The following set of rules depend on:
-- [TSLint] v5.17.0
+- [TSLint] v5.18.0
 - [codelyzer] v5.0.0
 
 ## Table of contents:
@@ -138,7 +138,12 @@ A sample configuration is shown below, where `tslint.json` lives adjacent to you
 
 - Member **overloads** should be **consecutive**.
 ```json
-"adjacent-overload-signatures": true
+"adjacent-overload-signatures": [
+  true,
+  {
+    "ignore-accessors": true,
+  }
+]
 ```
 
 - *Always prefer* **unifying any two overloads** into one, by using a **union** or an **optional/rest parameter**. 
@@ -295,6 +300,11 @@ them is allowed by TypeScript*).
 "await-promise": true
 ```
 
+- Functions marked **`async`** must contain an **`await`** or **`return`** statement
+```json
+"no-async-without-await": true
+```
+
 - *Do not use* the **unnecessary** **`return await`**.
 ```json
 "no-return-await": true
@@ -517,6 +527,17 @@ them is allowed by TypeScript*).
 ]
 ```
 
+- Using **comparison operators** (`>`, `>=`, `<=`, `<`) to compare *non-numbers* should be **avoided**.
+```json
+"strict-comparisons": [
+  true,
+  {
+    "allow-object-equal-comparison": true,
+    "allow-string-order-comparison": false
+  }
+]
+```
+
 - *Always prefer* explicit **`+= 1`** and **`-= 1`** *pre-unary* **operators** over **`++i`** and **`--i`**.
 ```json
 "increment-decrement": [

tslint.json

@@ -17,7 +17,12 @@
       "variables-before-functions"
     ],
     "prefer-readonly": true,
-    "adjacent-overload-signatures": true,
+    "adjacent-overload-signatures": [
+      true,
+      {
+        "ignore-accessors": true
+      }
+    ],
     "unified-signatures": true,
     "prefer-function-over-method": [
       true,
@@ -57,6 +62,7 @@
     "unnecessary-bind": true,
     "promise-function-async": true,
     "await-promise": true,
+    "no-async-without-await": true,
     "no-return-await": true,
     "no-floating-promises": true,
     "prefer-const": true,
@@ -137,6 +143,13 @@
       true,
       "allow-null-check"
     ],
+    "strict-comparisons": [
+      true,
+      {
+        "allow-object-equal-comparison": true,
+        "allow-string-order-comparison": false
+      }
+    ],
     "increment-decrement": [
       true,
       "allow-post"
@@ -158,7 +171,7 @@
       {
         "allow-else-if": true
       }
-    ]
+    ],
     "strict-boolean-expressions": [
       true,
       "allow-undefined-union",