Upgrade CodeMirror to 5.59.2

This should fix the following issue:
- https://www.reddit.com/r/uBlockOrigin/comments/lnfyer/

CodeMirror was detecting Windows as iOS:
- https://github.com/codemirror/CodeMirror/issues/6532

src/lib/codemirror/addon/display/panel.js

@@ -76,7 +76,7 @@
   };
 
   function initPanels(cm) {
-    var wrap = cm.getWrapperElement();
+    var wrap = cm.getWrapperElement()
     var style = window.getComputedStyle ? window.getComputedStyle(wrap) : wrap.currentStyle;
     var height = parseInt(style.height);
     var info = cm.state.panels = {
@@ -84,9 +84,10 @@
       panels: [],
       wrapper: document.createElement("div")
     };
+    var hasFocus = cm.hasFocus(), scrollPos = cm.getScrollInfo()
     wrap.parentNode.insertBefore(info.wrapper, wrap);
-    var hasFocus = cm.hasFocus();
     info.wrapper.appendChild(wrap);
+    cm.scrollTo(scrollPos.left, scrollPos.top)
     if (hasFocus) cm.focus();
 
     cm._setSize = cm.setSize;
@@ -114,8 +115,11 @@
     var info = cm.state.panels;
     cm.state.panels = null;
 
-    var wrap = cm.getWrapperElement();
+    var wrap = cm.getWrapperElement()
+    var hasFocus = cm.hasFocus(), scrollPos = cm.getScrollInfo()
     info.wrapper.parentNode.replaceChild(wrap, info.wrapper);
+    cm.scrollTo(scrollPos.left, scrollPos.top)
+    if (hasFocus) cm.focus();
     wrap.style.height = info.setHeight;
     cm.setSize = cm._setSize;
     cm.setSize();

src/lib/codemirror/addon/edit/closebrackets.js

@@ -87,7 +87,7 @@
     cm.operation(function() {
       var linesep = cm.lineSeparator() || "\n";
       cm.replaceSelection(linesep + linesep, null);
-      cm.execCommand("goCharLeft");
+      moveSel(cm, -1)
       ranges = cm.listSelections();
       for (var i = 0; i < ranges.length; i++) {
         var line = ranges[i].head.line;
@@ -97,6 +97,17 @@
     });
   }
 
+  function moveSel(cm, dir) {
+    var newRanges = [], ranges = cm.listSelections(), primary = 0
+    for (var i = 0; i < ranges.length; i++) {
+      var range = ranges[i]
+      if (range.head == cm.getCursor()) primary = i
+      var pos = range.head.ch || dir > 0 ? {line: range.head.line, ch: range.head.ch + dir} : {line: range.head.line - 1}
+      newRanges.push({anchor: pos, head: pos})
+    }
+    cm.setSelections(newRanges, primary)
+  }
+
   function contractSelection(sel) {
     var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0;
     return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)),
@@ -153,10 +164,9 @@
     var right = pos % 2 ? ch : pairs.charAt(pos + 1);
     cm.operation(function() {
       if (type == "skip") {
-        cm.execCommand("goCharRight");
+        moveSel(cm, 1)
       } else if (type == "skipThree") {
-        for (var i = 0; i < 3; i++)
-          cm.execCommand("goCharRight");
+        moveSel(cm, 3)
       } else if (type == "surround") {
         var sels = cm.getSelections();
         for (var i = 0; i < sels.length; i++)
@@ -169,10 +179,10 @@
       } else if (type == "both") {
         cm.replaceSelection(left + right, null);
         cm.triggerElectric(left + right);
-        cm.execCommand("goCharLeft");
+        moveSel(cm, -1)
       } else if (type == "addFour") {
         cm.replaceSelection(left + left + left + left, "before");
-        cm.execCommand("goCharRight");
+        moveSel(cm, 1)
       }
     });
   }

src/lib/codemirror/addon/edit/matchbrackets.js

@@ -38,7 +38,7 @@
     if (config && config.strict && (dir > 0) != (pos == where.ch)) return null;
     var style = cm.getTokenTypeAt(Pos(where.line, pos + 1));
 
-    var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config);
+    var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style, config);
     if (found == null) return null;
     return {from: Pos(where.line, pos), to: found && found.pos,
             match: found && found.ch == match.charAt(0), forward: dir > 0};
@@ -67,7 +67,8 @@
       if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0);
       for (; pos != end; pos += dir) {
         var ch = line.charAt(pos);
-        if (re.test(ch) && (style === undefined || cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style)) {
+        if (re.test(ch) && (style === undefined ||
+                            (cm.getTokenTypeAt(Pos(lineNo, pos + 1)) || "") == (style || ""))) {
           var match = matching[ch];
           if (match && (match.charAt(1) == ">") == (dir > 0)) stack.push(ch);
           else if (!stack.length) return {pos: Pos(lineNo, pos), ch: ch};
@@ -80,11 +81,12 @@
 
   function matchBrackets(cm, autoclear, config) {
     // Disable brace matching in long lines, since it'll cause hugely slow updates
-    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
+    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000,
+      highlightNonMatching = config && config.highlightNonMatching;
     var marks = [], ranges = cm.listSelections();
     for (var i = 0; i < ranges.length; i++) {
       var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, config);
-      if (match && cm.getLine(match.from.line).length <= maxHighlightLen) {
+      if (match && (match.match || highlightNonMatching !== false) && cm.getLine(match.from.line).length <= maxHighlightLen) {
         var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
         marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style}));
         if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen)
@@ -94,7 +96,7 @@
 
     if (marks.length) {
       // Kludge to work around the IE bug from issue #1193, where text
-      // input stops going to the textare whever this fires.
+      // input stops going to the textarea whenever this fires.
       if (ie_lt8 && cm.state.focused) cm.focus();
 
       var clear = function() {

src/lib/codemirror/addon/hint/show-hint.js

@@ -61,8 +61,10 @@
     this.startPos = this.cm.getCursor("start");
     this.startLen = this.cm.getLine(this.startPos.line).length - this.cm.getSelection().length;
 
-    var self = this;
-    cm.on("cursorActivity", this.activityFunc = function() { self.cursorActivity(); });
+    if (this.options.updateOnCursorActivity) {
+      var self = this;
+      cm.on("cursorActivity", this.activityFunc = function() { self.cursorActivity(); });
+    }
   }
 
   var requestAnimationFrame = window.requestAnimationFrame || function(fn) {
@@ -75,7 +77,9 @@
       if (!this.active()) return;
       this.cm.state.completionActive = null;
       this.tick = null;
-      this.cm.off("cursorActivity", this.activityFunc);
+      if (this.options.updateOnCursorActivity) {
+        this.cm.off("cursorActivity", this.activityFunc);
+      }
 
       if (this.widget && this.data) CodeMirror.signal(this.data, "close");
       if (this.widget) this.widget.close();
@@ -117,9 +121,7 @@
       if (pos.line != this.startPos.line || line.length - pos.ch != this.startLen - this.startPos.ch ||
           pos.ch < identStart.ch || this.cm.somethingSelected() ||
           (!pos.ch || this.options.closeCharacters.test(line.charAt(pos.ch - 1)))) {
-        if (this.options.closeOnCursorActivity) {
-          this.close();
-        }
+        this.close();
       } else {
         var self = this;
         this.debounce = requestAnimationFrame(function() {self.update();});
@@ -492,9 +494,9 @@
     completeSingle: true,
     alignWithWord: true,
     closeCharacters: /[\s()\[\]{};:>,]/,
-    closeOnCursorActivity: true,
     closeOnPick: true,
     closeOnUnfocus: true,
+    updateOnCursorActivity: true,
     completeOnSingleClick: true,
     container: null,
     customKeys: null,

src/lib/codemirror/lib/codemirror.js

@@ -32,7 +32,7 @@
   var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
   var phantom = /PhantomJS/.test(userAgent);
 
-  var ios = !edge && /AppleWebKit/.test(userAgent) && (/Mobile\/\w+/.test(userAgent) || navigator.maxTouchPoints > 2);
+  var ios = safari && (/Mobile\/\w+/.test(userAgent) || navigator.maxTouchPoints > 2);
   var android = /Android/.test(userAgent);
   // This is woefully incomplete. Suggestions for alternative methods welcome.
   var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
@@ -5115,7 +5115,7 @@
       (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
     setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
 
-    if (!(options && options.scroll === false) && doc.cm)
+    if (!(options && options.scroll === false) && doc.cm && doc.cm.getOption("readOnly") != "nocursor")
       { ensureCursorVisible(doc.cm); }
   }
 
@@ -8675,10 +8675,13 @@
     function moveOnce(boundToLine) {
       var next;
       if (unit == "codepoint") {
-        var ch = lineObj.text.charCodeAt(pos.ch + (unit > 0 ? 0 : -1));
-        if (isNaN(ch)) { next = null; }
-        else { next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (ch >= 0xD800 && ch < 0xDC00 ? 2 : 1))),
-                            -dir); }
+        var ch = lineObj.text.charCodeAt(pos.ch + (dir > 0 ? 0 : -1));
+        if (isNaN(ch)) {
+          next = null;
+        } else {
+          var astral = dir > 0 ? ch >= 0xD800 && ch < 0xDC00 : ch >= 0xDC00 && ch < 0xDFFF;
+          next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (astral ? 2 : 1))), -dir);
+        }
       } else if (visually) {
         next = moveVisually(doc.cm, lineObj, pos, dir);
       } else {
@@ -9790,7 +9793,7 @@
 
   addLegacyProps(CodeMirror);
 
-  CodeMirror.version = "5.59.0";
+  CodeMirror.version = "5.59.2";
 
   return CodeMirror;