diff --git a/code-input.d.ts b/code-input.d.ts
index c31bd85..22b8eb9 100644
--- a/code-input.d.ts
+++ b/code-input.d.ts
@@ -76,6 +76,19 @@ export namespace plugins {
     constructor();
   }
 
+  /**
+   * Automatically closes pairs of brackets/quotes/other syntaxes in code, but also lets you choose the brackets this
+   * is activated for.
+   * Files: auto-close-brackets.js
+   */
+  class AutoCloseBrackets extends Plugin {
+    /**
+     * Create an auto-close brackets plugin to pass into a template
+     * @param {Object} bracketPairs Opening brackets mapped to closing brackets, default and example {"(": ")", "[": "]", "{": "}", '"': '"'}. All brackets must only be one character.
+     */
+    constructor(bracketPairs: Object);
+  }
+
   /**
    * 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
@@ -137,8 +150,9 @@ export namespace plugins {
      * Create an indentation plugin to pass into a template
      * @param {Boolean} defaultSpaces Should the Tab key enter spaces rather than tabs? Defaults to false.
      * @param {Number} numSpaces How many spaces is each tab character worth? Defaults to 4.
+     * @param {Object} bracketPairs Opening brackets mapped to closing brackets, default and example {"(": ")", "[": "]", "{": "}"}. All brackets must only be one character, and this can be left as null to remove bracket-based indentation behaviour.
      */
-    constructor(defaultSpaces?: boolean, numSpaces?: Number);
+    constructor(defaultSpaces?: boolean, numSpaces?: Number, bracketPairs?: Object);
   }
 
   /**
diff --git a/plugins/README.md b/plugins/README.md
index b841b2a..9c27dd8 100644
--- a/plugins/README.md
+++ b/plugins/README.md
@@ -7,6 +7,14 @@
 
 ---
 
+### Auto-Close Brackets
+Automatically close pairs of brackets/quotes/other syntaxes in code, but also optionally choose the brackets this
+is activated for.
+
+Files: [auto-close-brackets.js](./auto-close-brackets.js)
+
+[🚀 *CodePen Demo*](https://codepen.io/WebCoder49/pen/qBgGGKR)
+
 ### Autocomplete
 Display a popup under the caret using the text in the code-input element. This works well with autocomplete suggestions.
 
@@ -36,7 +44,7 @@ Files: [go-to-line.js](./go-to-line.js) / [go-to-line.css](./go-to-line.css)
 [🚀 *CodePen Demo*](https://codepen.io/WebCoder49/pen/YzBMOXP)
 
 ### Indent
-Adds indentation using the `Tab` key, and auto-indents after a newline, as well as making it possible to indent/unindent multiple lines using Tab/Shift+Tab. **Supports tab characters and custom numbers of spaces as indentation.**
+Add indentation using the `Tab` key, and auto-indents after a newline, as well as making it possible to indent/unindent multiple lines using Tab/Shift+Tab. **Supports tab characters and custom numbers of spaces as indentation, as well as (optionally) brackets typed affecting indentation.**
 
 Files: [indent.js](./indent.js)
 
diff --git a/plugins/auto-close-brackets.js b/plugins/auto-close-brackets.js
new file mode 100644
index 0000000..54e20f5
--- /dev/null
+++ b/plugins/auto-close-brackets.js
@@ -0,0 +1,54 @@
+/**
+ * Automatically close pairs of brackets/quotes/other syntaxes in code, but also optionally choose the brackets this
+ * is activated for.
+ * Files: auto-close-brackets.js
+ */
+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
+
+    /**
+     * Create an auto-close brackets plugin to pass into a template
+     * @param {Object} bracketPairs Opening brackets mapped to closing brackets, default and example {"(": ")", "[": "]", "{": "}", '"': '"'}. All brackets must only be one character.
+     */
+    constructor(bracketPairs={"(": ")", "[": "]", "{": "}", '"': '"'}) {
+        super([]); // No observed attributes
+
+        this.bracketPairs = bracketPairs;
+    }
+
+    /* Add keystroke events */
+    afterElementsAdded(codeInput) {
+        let textarea = codeInput.textareaElement;
+        textarea.addEventListener('keydown', (event) => { this.checkBackspace(codeInput, event) });
+        textarea.addEventListener('beforeinput', (event) => { this.checkBrackets(codeInput, event); });
+
+    }
+
+    /* Event handlers */
+    checkBrackets(codeInput, event) {
+        if(this.bracketsOpenedStack.length > 0 && event.data == this.bracketsOpenedStack[this.bracketsOpenedStack.length-1][0] && event.data == codeInput.textareaElement.value[codeInput.textareaElement.selectionStart]) {
+            // "Retype" bracket, i.e. just move caret
+            codeInput.textareaElement.selectionStart = codeInput.textareaElement.selectionEnd += 1;
+            this.bracketsOpenedStack.pop();
+            event.preventDefault();
+        } else if(event.data in this.bracketPairs) {
+            // Create bracket pair
+            let closingBracket = this.bracketPairs[event.data];
+            this.bracketsOpenedStack.push([closingBracket, codeInput.textareaElement.selectionStart]);
+            document.execCommand("insertText", false, closingBracket);
+            codeInput.textareaElement.selectionStart = codeInput.textareaElement.selectionEnd -= 1;
+        }
+    }
+
+    checkBackspace(codeInput, event) {
+        if(event.key == "Backspace" && codeInput.textareaElement.selectionStart == codeInput.textareaElement.selectionEnd) {
+            if(this.bracketsOpenedStack.length > 0 && this.bracketsOpenedStack[this.bracketsOpenedStack.length-1][1]+1 == codeInput.textareaElement.selectionStart && codeInput.textareaElement.value[codeInput.textareaElement.selectionStart] == this.bracketsOpenedStack[this.bracketsOpenedStack.length-1][0]) {
+                // Delete closing bracket as well
+                codeInput.textareaElement.selectionEnd = codeInput.textareaElement.selectionStart + 1;
+                codeInput.textareaElement.selectionStart -= 1;
+                this.bracketsOpenedStack.pop();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/plugins/auto-close-brackets.min.js b/plugins/auto-close-brackets.min.js
new file mode 100644
index 0000000..a8bf438
--- /dev/null
+++ b/plugins/auto-close-brackets.min.js
@@ -0,0 +1 @@
+codeInput.plugins.AutoCloseBrackets=class extends codeInput.Plugin{bracketPairs=[];bracketsOpenedStack=[];constructor(a={"(":")","[":"]","{":"}",'"':"\""}){super([]),this.bracketPairs=a}afterElementsAdded(a){let b=a.textareaElement;b.addEventListener("keydown",b=>{this.checkBackspace(a,b)}),b.addEventListener("beforeinput",b=>{this.checkBrackets(a,b)})}checkBrackets(a,b){if(0<this.bracketsOpenedStack.length&&b.data==this.bracketsOpenedStack[this.bracketsOpenedStack.length-1][0]&&b.data==a.textareaElement.value[a.textareaElement.selectionStart])a.textareaElement.selectionStart=a.textareaElement.selectionEnd+=1,this.bracketsOpenedStack.pop(),b.preventDefault();else if(b.data in this.bracketPairs){let c=this.bracketPairs[b.data];this.bracketsOpenedStack.push([c,a.textareaElement.selectionStart]),document.execCommand("insertText",!1,c),a.textareaElement.selectionStart=a.textareaElement.selectionEnd-=1}}checkBackspace(a,b){"Backspace"==b.key&&a.textareaElement.selectionStart==a.textareaElement.selectionEnd&&0<this.bracketsOpenedStack.length&&this.bracketsOpenedStack[this.bracketsOpenedStack.length-1][1]+1==a.textareaElement.selectionStart&&a.textareaElement.value[a.textareaElement.selectionStart]==this.bracketsOpenedStack[this.bracketsOpenedStack.length-1][0]&&(a.textareaElement.selectionEnd=a.textareaElement.selectionStart+1,a.textareaElement.selectionStart-=1,this.bracketsOpenedStack.pop())}};
\ No newline at end of file
diff --git a/plugins/go-to-line.js b/plugins/go-to-line.js
index f83acb6..8cd6b74 100644
--- a/plugins/go-to-line.js
+++ b/plugins/go-to-line.js
@@ -3,19 +3,23 @@
  * Files: go-to-line.js / go-to-line.css
  */
 codeInput.plugins.GoToLine = class extends codeInput.Plugin {
+    useCtrlG = false;
 
     /**
      * Create a go-to-line command plugin to pass into a template
      * @param {boolean} useCtrlG Should Ctrl+G be overriden for go-to-line functionality? If not, you can trigger it yourself using (instance of this plugin)`.showPrompt(code-input element)`.
      */
-    constructor(useCtrlG) {
+    constructor(useCtrlG = true) {
         super([]); // No observed attributes
+        this.useCtrlG = useCtrlG;
     }
 
     /* Add keystroke events */
     afterElementsAdded(codeInput) {
         const textarea = codeInput.textareaElement;
-        textarea.addEventListener('keydown', (event) => { this.checkCtrlG(codeInput, event); });
+        if(this.useCtrlG) {
+            textarea.addEventListener('keydown', (event) => { this.checkCtrlG(codeInput, event); });
+        }
     }
 
     blockSearch(dialog, event) {
diff --git a/plugins/go-to-line.min.js b/plugins/go-to-line.min.js
index 402979e..b7bc374 100644
--- a/plugins/go-to-line.min.js
+++ b/plugins/go-to-line.min.js
@@ -1 +1 @@
-codeInput.plugins.GoToLine=class extends codeInput.Plugin{constructor(){super([])}afterElementsAdded(a){const b=a.textareaElement;b.addEventListener("keydown",b=>{this.checkCtrlG(a,b)})}blockSearch(a,b){if(b.ctrlKey&&"g"==b.key)return b.preventDefault()}checkPrompt(a,b){const c=a.textarea.value.split("\n"),d=c.length,e=+a.input.value.split(":")[0];let f=0,g=1;const h=a.input.value.split(":");if(2<h.length)return a.input.classList.add("error");if(2<=h.length&&(f=+h[1],g=c[e-1].length),"Escape"==b.key)return this.cancelPrompt(a,b);if(a.input.value){if(!/^[0-9:]*$/.test(a.input.value)||1>e||0>f||e>d||f>g)return a.input.classList.add("error");a.input.classList.remove("error")}"Enter"==b.key&&(this.goTo(a.textarea,e,f),this.cancelPrompt(a,b))}cancelPrompt(a,b){let c;b.preventDefault(),a.textarea.focus(),a.classList.add("bye"),c=a.computedStyleMap?1e3*a.computedStyleMap().get("animation").toString().split("s")[0]:1e3*document.defaultView.getComputedStyle(a,null).getPropertyValue("animation").split("s")[0],setTimeout(()=>{a.codeInput.removeChild(a)},.9*c)}showPrompt(a){const b=a.textareaElement,c=document.createElement("div"),d=document.createElement("input"),e=document.createElement("span");c.appendChild(d),c.appendChild(e),c.className="code-input_go-to_dialog",d.spellcheck=!1,d.placeholder="Line:Column / Line no. then Enter",c.codeInput=a,c.textarea=b,c.input=d,d.addEventListener("keydown",a=>{this.blockSearch(c,a)}),d.addEventListener("keyup",a=>{this.checkPrompt(c,a)}),e.addEventListener("click",a=>{this.cancelPrompt(c,a)}),a.appendChild(c),d.focus()}goTo(a,b,c=0){let d,e,f,g,h=-1,i=a.value.split("\n");if(0<b&&b<=i.length){if(a.computedStyleMap?(d=a.computedStyleMap().get("font-size").value,e=d*a.computedStyleMap().get("line-height").value):(d=document.defaultView.getComputedStyle(a,null).getPropertyValue("font-size").split("px")[0],e=document.defaultView.getComputedStyle(a,null).getPropertyValue("line-height").split("px")[0]),f=(3<b?b-3:1)*e,g=(e-d)/2,1<b&&(h=i.slice(0,b-1).join("\n").length),0==c)do h++;while("\n"!=a.value[h]&&/\s/.test(a.value[h]));else h+=1+c-1;a.scrollTop=f-g,a.setSelectionRange(h,h),a.click()}}checkCtrlG(a,b){a.textareaElement;b.ctrlKey&&"g"==b.key&&(b.preventDefault(),this.showPrompt(a))}};
\ No newline at end of file
+codeInput.plugins.GoToLine=class extends codeInput.Plugin{useCtrlG=!1;constructor(a=!0){super([]),this.useCtrlG=a}afterElementsAdded(a){const b=a.textareaElement;this.useCtrlG&&b.addEventListener("keydown",b=>{this.checkCtrlG(a,b)})}blockSearch(a,b){if(b.ctrlKey&&"g"==b.key)return b.preventDefault()}checkPrompt(a,b){const c=a.textarea.value.split("\n"),d=c.length,e=+a.input.value.split(":")[0];let f=0,g=1;const h=a.input.value.split(":");if(2<h.length)return a.input.classList.add("error");if(2<=h.length&&(f=+h[1],g=c[e-1].length),"Escape"==b.key)return this.cancelPrompt(a,b);if(a.input.value){if(!/^[0-9:]*$/.test(a.input.value)||1>e||0>f||e>d||f>g)return a.input.classList.add("error");a.input.classList.remove("error")}"Enter"==b.key&&(this.goTo(a.textarea,e,f),this.cancelPrompt(a,b))}cancelPrompt(a,b){let c;b.preventDefault(),a.textarea.focus(),a.classList.add("bye"),c=a.computedStyleMap?1e3*a.computedStyleMap().get("animation").toString().split("s")[0]:1e3*document.defaultView.getComputedStyle(a,null).getPropertyValue("animation").split("s")[0],setTimeout(()=>{a.codeInput.removeChild(a)},.9*c)}showPrompt(a){const b=a.textareaElement,c=document.createElement("div"),d=document.createElement("input"),e=document.createElement("span");c.appendChild(d),c.appendChild(e),c.className="code-input_go-to_dialog",d.spellcheck=!1,d.placeholder="Line:Column / Line no. then Enter",c.codeInput=a,c.textarea=b,c.input=d,d.addEventListener("keydown",a=>{this.blockSearch(c,a)}),d.addEventListener("keyup",a=>{this.checkPrompt(c,a)}),e.addEventListener("click",a=>{this.cancelPrompt(c,a)}),a.appendChild(c),d.focus()}goTo(a,b,c=0){let d,e,f,g,h=-1,i=a.value.split("\n");if(0<b&&b<=i.length){if(a.computedStyleMap?(d=a.computedStyleMap().get("font-size").value,e=d*a.computedStyleMap().get("line-height").value):(d=document.defaultView.getComputedStyle(a,null).getPropertyValue("font-size").split("px")[0],e=document.defaultView.getComputedStyle(a,null).getPropertyValue("line-height").split("px")[0]),f=(3<b?b-3:1)*e,g=(e-d)/2,1<b&&(h=i.slice(0,b-1).join("\n").length),0==c)do h++;while("\n"!=a.value[h]&&/\s/.test(a.value[h]));else h+=1+c-1;a.scrollTop=f-g,a.setSelectionRange(h,h),a.click()}}checkCtrlG(a,b){a.textareaElement;b.ctrlKey&&"g"==b.key&&(b.preventDefault(),this.showPrompt(a))}};
\ No newline at end of file
diff --git a/plugins/indent.js b/plugins/indent.js
index 466eb4e..5b515ef 100644
--- a/plugins/indent.js
+++ b/plugins/indent.js
@@ -1,11 +1,12 @@
 /**
- * Adds indentation using the `Tab` key, and auto-indents after a newline, as well as making it 
+ * Add indentation using the `Tab` key, and auto-indents after a newline, as well as making it 
  * possible to indent/unindent multiple lines using Tab/Shift+Tab
  * Files: indent.js
  */
 codeInput.plugins.Indent = class extends codeInput.Plugin {
 
     numSpaces;
+    bracketPairs = null; // No bracket-auto-indentation used
     indentation = "\t";
     indentationNumChars = 1;
 
@@ -13,11 +14,13 @@ codeInput.plugins.Indent = class extends codeInput.Plugin {
      * Create an indentation plugin to pass into a template
      * @param {Boolean} defaultSpaces Should the Tab key enter spaces rather than tabs? Defaults to false.
      * @param {Number} numSpaces How many spaces is each tab character worth? Defaults to 4.
+     * @param {Object} bracketPairs Opening brackets mapped to closing brackets, default and example {"(": ")", "[": "]", "{": "}"}. All brackets must only be one character, and this can be left as null to remove bracket-based indentation behaviour.
      */
-    constructor(defaultSpaces=false, numSpaces=4) {
+    constructor(defaultSpaces=false, numSpaces=4, bracketPairs={"(": ")", "[": "]", "{": "}"}) {
         super([]); // No observed attributes
 
         this.numSpaces = numSpaces;
+        this.bracketPairs = bracketPairs;
         if(defaultSpaces) {
             this.indentation = "";
             for(let i = 0; i < numSpaces; i++) {
@@ -31,6 +34,7 @@ codeInput.plugins.Indent = class extends codeInput.Plugin {
     afterElementsAdded(codeInput) {
         let textarea = codeInput.textareaElement;
         textarea.addEventListener('keydown', (event) => { this.checkTab(codeInput, event); this.checkEnter(codeInput, event); this.checkBackspace(codeInput, event); });
+        textarea.addEventListener('beforeinput', (event) => { this.checkCloseBracket(codeInput, event); });
     }
 
     /* Event handlers */
@@ -135,6 +139,39 @@ codeInput.plugins.Indent = class extends codeInput.Plugin {
             lines[currentLineI] = lines[currentLineI].substring(0, cursorPosInLine);
         }
 
+        let bracketThreeLinesTriggered = false;
+        let furtherIndentation = "";
+        if(this.bracketPairs != null) {
+            for(let openingBracket in this.bracketPairs) {
+                if(lines[currentLineI][lines[currentLineI].length-1] == openingBracket) {
+                    let closingBracket = this.bracketPairs[openingBracket];
+                    if(textAfterCursor.length > 0 && textAfterCursor[0] == closingBracket) {
+                        // Create new line and then put textAfterCursor on yet another line: 
+                        // {
+                        //   |CARET|
+                        // }
+                        bracketThreeLinesTriggered = true;
+                        for (let i = 0; i < numberIndents+1; i++) {
+                            furtherIndentation += this.indentation;
+                        }
+                    } else {
+                        // Just create new line: 
+                        // {
+                        //   |CARET|
+                        numberIndents++;
+                    }
+                    break;
+                } else {
+                    // Check whether brackets cause unindent
+                    let closingBracket = this.bracketPairs[openingBracket];
+                    if(textAfterCursor.length > 0 && textAfterCursor[0] == closingBracket) {
+                        numberIndents--;
+                        break;
+                    }
+                }
+            }
+        }
+
         // insert our indents and any text from the previous line that might have been after the line break
         for (let i = 0; i < numberIndents; i++) {
             newLine += this.indentation;
@@ -143,6 +180,10 @@ codeInput.plugins.Indent = class extends codeInput.Plugin {
         // save the current cursor position
         let selectionStartI = inputElement.selectionStart;
 
+        if(bracketThreeLinesTriggered) {
+            document.execCommand("insertText", false, "\n" + furtherIndentation); // Write indented line
+            numberIndents += 1; // Reflects the new indent
+        }
         document.execCommand("insertText", false, "\n" + newLine); // Write new line, including auto-indentation
 
         // move cursor to new position
@@ -175,4 +216,22 @@ codeInput.plugins.Indent = class extends codeInput.Plugin {
             document.execCommand("delete", false, "");
         }
     }
+
+    checkCloseBracket(codeInput, event) {
+        if(codeInput.textareaElement.selectionStart != codeInput.textareaElement.selectionEnd) {
+            return;
+        }
+
+        for(let openingBracket in this.bracketPairs) {
+            let closingBracket = this.bracketPairs[openingBracket];
+            if(event.data == closingBracket) {
+                // Closing bracket unindents line
+                if(codeInput.value.substring(codeInput.textareaElement.selectionStart - this.indentationNumChars, codeInput.textareaElement.selectionStart) == this.indentation) {
+                    // Indentation before cursor = delete it
+                    codeInput.textareaElement.selectionStart -= this.indentationNumChars;
+                    document.execCommand("delete", false, "");
+                }
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/plugins/indent.min.js b/plugins/indent.min.js
index a37ddaa..26de329 100644
--- a/plugins/indent.min.js
+++ b/plugins/indent.min.js
@@ -1 +1 @@
-codeInput.plugins.Indent=class extends codeInput.Plugin{numSpaces;indentation="\t";indentationNumChars=1;constructor(a=!1,b=4){if(super([]),this.numSpaces=b,a){this.indentation="";for(let a=0;a<b;a++)this.indentation+=" ";this.indentationNumChars=b}}afterElementsAdded(a){let b=a.textareaElement;b.addEventListener("keydown",b=>{this.checkTab(a,b),this.checkEnter(a,b),this.checkBackspace(a,b)})}checkTab(a,b){var c=Math.max;if("Tab"==b.key){let d=a.textareaElement;if(b.preventDefault(),!b.shiftKey&&d.selectionStart==d.selectionEnd)document.execCommand("insertText",!1,this.indentation);else{let a=d.value.split("\n"),e=0,f=d.selectionStart,g=d.selectionEnd;for(let h=0;h<a.length;h++)(f<=e+a[h].length&&g>=e+1||f==g&&f<=e+a[h].length+1&&g>=e)&&(b.shiftKey?a[h].substring(0,this.indentationNumChars)==this.indentation&&(d.selectionStart=e,d.selectionEnd=e+this.indentationNumChars,document.execCommand("delete",!1,""),f>e&&(f=c(f-this.indentationNumChars,e)),g-=this.indentationNumChars,e-=this.indentationNumChars):(d.selectionStart=e,d.selectionEnd=e,document.execCommand("insertText",!1,this.indentation),f>e&&(f+=this.indentationNumChars),g+=this.indentationNumChars,e+=this.indentationNumChars)),e+=a[h].length+1;d.selectionStart=f,d.selectionEnd=g}a.update(d.value)}}checkEnter(a,b){if("Enter"!=b.key)return;b.preventDefault();let c=a.querySelector("textarea"),d=c.value.split("\n"),e=0,f=d.length-1,g="",h=0;for(let g=0;g<d.length;g++)if(e+=d[g].length+1,c.selectionEnd<=e){f=g;break}let j=d[f].length-(e-c.selectionEnd)+1;for(let c=0;c<j&&d[f].substring(c,c+this.indentationNumChars)==this.indentation;c+=this.indentationNumChars)h++;let k="";j!=d[f].length&&(k=d[f].substring(j),d[f]=d[f].substring(0,j));for(let c=0;c<h;c++)g+=this.indentation;let l=c.selectionStart;document.execCommand("insertText",!1,"\n"+g),c.selectionStart=l+h*this.indentationNumChars+1,c.selectionEnd=c.selectionStart;let m=+getComputedStyle(c).paddingTop.replace("px",""),n=+getComputedStyle(c).lineHeight.replace("px",""),o=+getComputedStyle(c).height.replace("px","");f*n+2*n+m>=c.scrollTop+o&&c.scrollBy(0,+getComputedStyle(c).lineHeight.replace("px","")),a.update(c.value)}checkBackspace(a,b){if("Backspace"==b.key&&1!=this.indentationNumChars){let c=a.textareaElement;c.selectionStart==c.selectionEnd&&a.value.substring(c.selectionStart-this.indentationNumChars,c.selectionStart)==this.indentation&&(c.selectionStart-=this.indentationNumChars,b.preventDefault(),document.execCommand("delete",!1,""))}}};
\ No newline at end of file
+codeInput.plugins.Indent=class extends codeInput.Plugin{numSpaces;bracketPairs=null;indentation="\t";indentationNumChars=1;constructor(a=!1,b=4,c={"(":")","[":"]","{":"}"}){if(super([]),this.numSpaces=b,this.bracketPairs=c,a){this.indentation="";for(let a=0;a<b;a++)this.indentation+=" ";this.indentationNumChars=b}}afterElementsAdded(a){let b=a.textareaElement;b.addEventListener("keydown",b=>{this.checkTab(a,b),this.checkEnter(a,b),this.checkBackspace(a,b)}),b.addEventListener("beforeinput",b=>{this.checkCloseBracket(a,b)})}checkTab(a,b){var c=Math.max;if("Tab"==b.key){let d=a.textareaElement;if(b.preventDefault(),!b.shiftKey&&d.selectionStart==d.selectionEnd)document.execCommand("insertText",!1,this.indentation);else{let a=d.value.split("\n"),e=0,f=d.selectionStart,g=d.selectionEnd;for(let h=0;h<a.length;h++)(f<=e+a[h].length&&g>=e+1||f==g&&f<=e+a[h].length+1&&g>=e)&&(b.shiftKey?a[h].substring(0,this.indentationNumChars)==this.indentation&&(d.selectionStart=e,d.selectionEnd=e+this.indentationNumChars,document.execCommand("delete",!1,""),f>e&&(f=c(f-this.indentationNumChars,e)),g-=this.indentationNumChars,e-=this.indentationNumChars):(d.selectionStart=e,d.selectionEnd=e,document.execCommand("insertText",!1,this.indentation),f>e&&(f+=this.indentationNumChars),g+=this.indentationNumChars,e+=this.indentationNumChars)),e+=a[h].length+1;d.selectionStart=f,d.selectionEnd=g}a.update(d.value)}}checkEnter(a,b){if("Enter"!=b.key)return;b.preventDefault();let c=a.querySelector("textarea"),d=c.value.split("\n"),e=0,f=d.length-1,g="",h=0;for(let g=0;g<d.length;g++)if(e+=d[g].length+1,c.selectionEnd<=e){f=g;break}let j=d[f].length-(e-c.selectionEnd)+1;for(let c=0;c<j&&d[f].substring(c,c+this.indentationNumChars)==this.indentation;c+=this.indentationNumChars)h++;let k="";j!=d[f].length&&(k=d[f].substring(j),d[f]=d[f].substring(0,j));let l=!1,m="";if(null!=this.bracketPairs)for(let a in this.bracketPairs)if(d[f][d[f].length-1]==a){let b=this.bracketPairs[a];if(0<k.length&&k[0]==b){l=!0;for(let a=0;a<h+1;a++)m+=this.indentation}else h++;break}else{let b=this.bracketPairs[a];if(0<k.length&&k[0]==b){h--;break}}for(let c=0;c<h;c++)g+=this.indentation;let n=c.selectionStart;l&&(document.execCommand("insertText",!1,"\n"+m),h+=1),document.execCommand("insertText",!1,"\n"+g),c.selectionStart=n+h*this.indentationNumChars+1,c.selectionEnd=c.selectionStart;let o=+getComputedStyle(c).paddingTop.replace("px",""),p=+getComputedStyle(c).lineHeight.replace("px",""),q=+getComputedStyle(c).height.replace("px","");f*p+2*p+o>=c.scrollTop+q&&c.scrollBy(0,+getComputedStyle(c).lineHeight.replace("px","")),a.update(c.value)}checkBackspace(a,b){if("Backspace"==b.key&&1!=this.indentationNumChars){let c=a.textareaElement;c.selectionStart==c.selectionEnd&&a.value.substring(c.selectionStart-this.indentationNumChars,c.selectionStart)==this.indentation&&(c.selectionStart-=this.indentationNumChars,b.preventDefault(),document.execCommand("delete",!1,""))}}checkCloseBracket(a,b){if(a.textareaElement.selectionStart==a.textareaElement.selectionEnd)for(let c in this.bracketPairs){let d=this.bracketPairs[c];b.data==d&&a.value.substring(a.textareaElement.selectionStart-this.indentationNumChars,a.textareaElement.selectionStart)==this.indentation&&(a.textareaElement.selectionStart-=this.indentationNumChars,document.execCommand("delete",!1,""))}}};
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