chore: Enforce eslint and fix warnings

.eslintrc.json

@@ -16,24 +16,32 @@
         "createDefaultProgram": true
       },
       "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended",
         "plugin:@angular-eslint/recommended",
         "plugin:@angular-eslint/template/process-inline-templates"
       ],
       "rules": {
+        "@typescript-eslint/explicit-function-return-type": [
+          "error"
+        ],
+        "no-extra-boolean-cast": [
+          "off"
+        ],
         "@angular-eslint/component-selector": [
           "error",
           {
+            "type": "element",
             "prefix": "",
-            "style": "kebab-case",
-            "type": "element"
+            "style": "kebab-case"
           }
         ],
         "@angular-eslint/directive-selector": [
           "error",
           {
+            "type": "attribute",
             "prefix": "",
-            "style": "camelCase",
-            "type": "attribute"
+            "style": "camelCase"
           }
         ],
         "comma-dangle": [
@@ -51,7 +59,8 @@
         "*.html"
       ],
       "extends": [
-        "plugin:@angular-eslint/template/recommended"
+        "plugin:@angular-eslint/template/recommended",
+        "plugin:@angular-eslint/template/accessibility"
       ],
       "rules": {}
     }

src/lib/components/intl-tel-input.component.ts

@@ -10,7 +10,8 @@
 import { AfterViewInit, Component, ElementRef, EventEmitter, Input, Output, ViewChild } from '@angular/core';
 import { ControlContainer, NgForm } from '@angular/forms';
 import intlTelInput from 'intl-tel-input';
-import { CountryData, IntlTelInputOptions } from '../model/intl-tel-input-options';
+import { IntlTelInputOptions } from '../model/intl-tel-input-options';
+import { IntlTelInput } from "../model/intl-tel-input";
 
 @Component({
     selector: 'intl-tel-input',
@@ -30,14 +31,14 @@ export class IntlTelInputComponent implements AfterViewInit {
     @Output() private E164PhoneNumberChange = new EventEmitter<string | null>();
     @ViewChild('intlTelInput') private _inputElement!: ElementRef;
     private _phoneNumber!: string;
-    private _intlTelInput: any;
+    private _intlTelInput!: IntlTelInput;
 
     ngAfterViewInit(): void {
         const intlTelInputInstance = intlTelInput;
         this._intlTelInput = intlTelInputInstance(this._inputElement.nativeElement, this.options);
     }
 
-    get intlTelInput(): any {
+    get intlTelInput(): IntlTelInput {
         return this._intlTelInput;
     }
 

src/lib/model/intl-tel-input.ts

@@ -0,0 +1,9 @@
+export type IntlTelInput = {
+    setNumber(a: string): void
+
+    isValidNumber(): boolean
+
+    getNumber(): string | null
+
+    setCountry(a: string): void
+}

src/public_api.ts

@@ -4,4 +4,5 @@
 
 export * from './lib/components/intl-tel-input.component';
 export * from './lib/model/intl-tel-input-options';
+export * from './lib/model/intl-tel-input';
 export * from './lib/intl-tel-input-ng.module';