Add strict mode and license declaration for bundlers

Author: WebCoder49

code-input.js

@@ -1,10 +1,16 @@
 /**
  * **code-input** is a library which lets you create custom HTML `<code-input>`
  * elements that act like `<textarea>` elements but support syntax-highlighted
- * code, implemented using any typical syntax highlighting library. [MIT-Licensed]
- * 
+ * code, implemented using any typical syntax highlighting library.
+ *
+ * License of whole library for bundlers:
+ *
+ * Copyright 2021-2025 Oliver Geer and contributors
+ * @license MIT
+ *
  * **<https://github.com/WebCoder49/code-input>**
  */
+"use strict";
 
 
 var codeInput = {
@@ -121,7 +127,7 @@ var codeInput = {
         // Add waiting code-input elements wanting this template from queue
         if (templateName in codeInput.templateNotYetRegisteredQueue) {
             for (let i in codeInput.templateNotYetRegisteredQueue[templateName]) {
-                elem = codeInput.templateNotYetRegisteredQueue[templateName][i];
+                const elem = codeInput.templateNotYetRegisteredQueue[templateName][i];
                 elem.template = template;
                 codeInput.runOnceWindowLoaded((function(elem) { elem.connectedCallback(); }).bind(null, elem), elem);
                 // Bind sets elem as first parameter of function 
@@ -135,7 +141,7 @@ var codeInput = {
             // Add elements with default template from queue
             if (undefined in codeInput.templateNotYetRegisteredQueue) {
                 for (let i in codeInput.templateNotYetRegisteredQueue[undefined]) {
-                    elem = codeInput.templateNotYetRegisteredQueue[undefined][i];
+                    const elem = codeInput.templateNotYetRegisteredQueue[undefined][i];
                     elem.template = template;
                     codeInput.runOnceWindowLoaded((function(elem) { elem.connectedCallback(); }).bind(null, elem), elem);
                     // Bind sets elem as first parameter of function

plugins/auto-close-brackets.js

@@ -3,6 +3,8 @@
  * is activated for.
  * Files: auto-close-brackets.js
  */
+"use strict";
+
 codeInput.plugins.AutoCloseBrackets = class extends codeInput.Plugin {
     bracketPairs = [];
     bracketsOpenedStack = []; // Each item [closing bracket string, opening bracket location] Innermost at right so can know which brackets should be ignored when retyped
@@ -58,4 +60,4 @@ codeInput.plugins.AutoCloseBrackets = class extends codeInput.Plugin {
             }
         }
     }
-}
+}

plugins/autocomplete.js

@@ -2,6 +2,8 @@
  * Display a popup under the caret using the text in the code-input element. This works well with autocomplete suggestions.
  * Files: autocomplete.js / autocomplete.css
  */
+"use strict";
+
 codeInput.plugins.Autocomplete = class extends codeInput.Plugin {
     /**
      * Pass in a function to create a plugin that displays the popup that takes in (popup element, textarea, textarea.selectionEnd).
@@ -85,4 +87,4 @@ codeInput.plugins.Autocomplete = class extends codeInput.Plugin {
         return {"top": afterSpan.offsetTop - textarea.scrollTop, "left": afterSpan.offsetLeft - textarea.scrollLeft};
     }
     updatePopupCallback = function() {};
-}
+}

plugins/autodetect.js

@@ -3,6 +3,8 @@
  * autodetect capabilities. Works with highlight.js only.
  * Files: autodetect.js
  */
+"use strict";
+
 codeInput.plugins.Autodetect = class extends codeInput.Plugin {
     constructor() {
         super([]); // No observed attributes
@@ -25,4 +27,4 @@ codeInput.plugins.Autodetect = class extends codeInput.Plugin {
             codeInput.setAttribute("language", lang);
         }
     }
-}
+}

plugins/find-and-replace.js

@@ -2,6 +2,8 @@
  * Add Find-and-Replace (Ctrl+F for find, Ctrl+H for replace by default) functionality to the code editor.
  * Files: find-and-replace.js / find-and-replace.css
  */
+"use strict";
+
 codeInput.plugins.FindAndReplace = class extends codeInput.Plugin {
     useCtrlF = false;
     useCtrlH = false;

plugins/go-to-line.js

@@ -2,6 +2,8 @@
  * Add basic Go-To-Line (Ctrl+G by default) functionality to the code editor.
  * Files: go-to-line.js / go-to-line.css
  */
+"use strict";
+
 codeInput.plugins.GoToLine = class extends codeInput.Plugin {
     useCtrlG = false;
 

plugins/indent.js

@@ -3,6 +3,8 @@
  * possible to indent/unindent multiple lines using Tab/Shift+Tab
  * Files: indent.js
  */
+"use strict";
+
 codeInput.plugins.Indent = class extends codeInput.Plugin {
 
     bracketPairs = {}; // No bracket-auto-indentation used when {}

plugins/select-token-callbacks.js

@@ -3,6 +3,8 @@
  * gain a CSS class while selected, or trigger JavaScript callbacks.
  * Files: select-token-callbacks.js
  */
+"use strict";
+
 codeInput.plugins.SelectTokenCallbacks = class extends codeInput.Plugin {
     /**
      * Set up the behaviour of tokens text-selected in the `<code-input>` element, and the exact definition of a token being text-selected.
@@ -286,4 +288,4 @@ codeInput.plugins.SelectTokenCallbacks.SelectedTokenState = class {
             endIndex -= childText.length;
         }
     }
-}
+}

plugins/special-chars.js

@@ -2,6 +2,7 @@
  * Render special characters and control characters as a symbol with their hex code.
  * Files: special-chars.js, special-chars.css
  */
+"use strict";
 
 codeInput.plugins.SpecialChars = class extends codeInput.Plugin {
     specialCharRegExp;
@@ -189,4 +190,4 @@ codeInput.plugins.SpecialChars = class extends codeInput.Plugin {
 
         return width;
     }
-}
+}

plugins/test.js

@@ -8,6 +8,8 @@
  * codeInput.registerTemplate("syntax-highlighted", codeInput.templates.hljs(hljs, [new codeInput.plugins.Test()]));
  * ```
  */
+"use strict";
+
 codeInput.plugins.Test = class extends codeInput.Plugin {
     constructor() {
         super(["testattr"]); 
@@ -33,4 +35,4 @@ codeInput.plugins.Test = class extends codeInput.Plugin {
     attributeChanged(codeInput, name, oldValue, newValue) {
         console.log(codeInput, name, ":", oldValue, ">", newValue);
     }
-}
+}