me first a pull request

content.js

@@ -0,0 +1,12 @@
+'use strict';
+
+const script = document.createElement('script');// create new element script as module
+script.setAttribute("type", "module");
+script.setAttribute("src", chrome.extension.getURL('kad.js'));
+const testModule = document.createElement(`script`)
+testModule.setAttribute("type", "module")
+testModule.setAttribute("src", chrome.extension.getURL('./modules/alert.js'))
+
+const head = document.head || document.getElementsByTagName("head")[0] || document.documentElement;
+head.insertBefore(script, head.lastChild);// add module in head
+head.insertBefore(testModule, head.lastChild);

kad.js

@@ -1,5 +1,14 @@
 
-  "use strict";
+"use strict";
+
+import { injectFunction } from './my-script.js';
+import { windowForUserScript } from './modules/alert.js';
+if (document.location.href === `https://kad.arbitr.ru/`) { windowForUserScript() }
+injectFunction();
+
+
+
+if (document.location.href != `https://kad.arbitr.ru/`) {
   let usersSettings = JSON.parse(localStorage.getItem(`usersSettings`))
   if (usersSettings == undefined) {
     usersSettings = {
@@ -442,7 +451,7 @@
       });
       observer.observe(elem, {
         attributes: true,
-          childList: true
+        childList: true
       })
     })
     promise.catch((err) => { console.error(`Error: `, err) })
@@ -520,5 +529,5 @@
     return stringReturn
   }
 
-
+}
 

manifest.json

@@ -3,18 +3,30 @@
 	"version": "2.0.0",
 	"description": "kad4scan - extensions for work in kad as scanner",
 	"permissions": [
-        "https://*.tribalwars2.com/game.php*"
-    ],
+		"https://*.tribalwars2.com/game.php*"
+	],
 	"icons": {
 		"128": "overflow.png"
 	},
-    "browser_action": {
-        "default_icon": "overflow.png"
-    },
-	"content_scripts": [{
-		"js": ["kad.js"],
-		"matches": ["https://*.kad.arbitr.ru/Card/*"],
-		"run_at": "document_end"
-	}],
+	"browser_action": {
+		"default_icon": "overflow.png"
+	},
+	"content_scripts": [
+		{
+			"js": [
+				"content.js"
+			],
+			"matches": [
+				"https://*.kad.arbitr.ru/Card/*",
+				"https://*.kad.arbitr.ru/*"
+			],
+			"run_at": "document_end"
+		}
+	],
+	"web_accessible_resources": [
+		"kad.js",
+		"my-script.js",
+		"modules/alert.js"
+	],
 	"manifest_version": 2
-}
+}

modules/alert.js

@@ -0,0 +1,64 @@
+'use strict';
+
+
+//Функция создает поля для воода года и номера дела
+function windowForUserScript() {
+    let div = document.createElement('div');
+    div.id = "UserScriptIndex";
+    div.innerHTML = `А40 - 
+    <input value="" type ="text" class="b-selected-tags"  placeholder = "номер дела" id = "NumberWithoutA40" >
+    <fieldset>
+    <label>
+    <input type="button" name="inputYear" value="20" id="year20" checked="checked">  </label>
+    <label><input type="button" name="inputYear" value="19" id="year19">  
+    </label><label><input type="button" name="inputYear" value="18" id="year18">  
+    </label></fieldset>`;
+    document.getElementById('b-form-submit').before(div);
+    // document.getElementById('main-column1').before(div);
+    let getNumberInput = document.getElementById(NumberWithoutA40);
+
+    getNumberInput.oninput = zamena();
+    function zamena() {
+        document.getElementById('dich').innerHTML = getNumberInput.value;
+
+        let a40 = document.getElementById(NumberWithoutA40).value;
+        let year20 = document.getElementById(year20).checked;
+        let year19 = document.getElementById(year19).checked;
+        let year18 = document.getElementById(year18).checked;
+        let year = 20;
+
+        if (year20 == true) { year = 20; }
+        else if (year19 == true) { year = 19; }
+        else if (year18 == true) { year = 18; }
+        else { alert(`ЕРОР! Чет какая - то шляпа введина в место года`) }
+
+        let fullNumber = "А40-" + a40 + "-" + year;
+        document.querySelector(`#sug - cases.tag input[type = "text"]: valid`).value = fullNumber;
+    }
+
+    let tooOldYear = document.getElementById(NumberWithoutA40).value;
+    //Устанавливаем по умолчанию А40-88888-20
+    document.querySelector(`#sug - cases.tag input[type = "text"]: valid`).value = А40 - 88888 - 20;
+    //пересобирает строку, заменя 2 последний цифры
+    function setYear(year) {
+        let newNumber = document.querySelector(`#sug - cases.tag input[type = "text"]: valid`).value
+        let inString = document.querySelector(`#sug - cases.tag input[type = "text"]: valid`).value["length"]
+        var getNewNumber = ``
+        let i = 0
+        while (inString - 2 > i) {
+            getNewNumber = getNewNumber + newNumber[i]
+            i++
+        }
+        getNewNumber = getNewNumber + year
+        return getNewNumber
+    }
+
+
+    //Красим фон и меняем год
+    document.getElementById("year20").onclick = function orange() { document.getElementById('main-column1').style.background = "#ffcf65"; document.querySelector(`#sug - cases.tag input[type = "text"]: valid`).value = setYear(20); };
+    document.getElementById("year19").onclick = function orange() { document.getElementById('main-column1').style.background = "#7cf99d"; document.querySelector(`#sug - cases.tag input[type = "text"]: valid`).value = setYear(19); };
+    document.getElementById("year18").onclick = function orange() { document.getElementById('main-column1').style.background = "#86cdff"; document.querySelector(`#sug - cases.tag input[type = "text"]: valid`).value = setYear(18); };
+    document.getElementById("pager1").onclick = function orange() { document.getElementById('main-column1').style.background = "#e9f0fa";; };//Красив в сток по праву тех
+};
+
+export { windowForUserScript };

my-script.js

@@ -0,0 +1,5 @@
+'use strict';
+
+const injectFunction = () => window.alert('hello, world');
+
+export { injectFunction };