wikimedia/mediawiki-extensions-UniversalLanguageSelector

File rangy-core.js has 2914 lines of code (exceeds 250 allowed). Consider refactoring.

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/**
 * Rangy, a cross-browser JavaScript range and selection library
 * https://github.com/timdown/rangy
 *
 * Copyright 2015, Tim Down

Function createPrototypeRange has 195 lines of code (exceeds 25 allowed). Consider refactoring.

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        function createPrototypeRange(constructor, boundaryUpdater) {
            function createBeforeAfterNodeSetter(isBefore, isStart) {
                return function(node) {
                    assertValidNodeType(node, beforeAfterNodeTypes);
                    assertValidNodeType(getRootContainer(node), rootContainerNodeTypes);

Function normalizeBoundaries has 87 lines of code (exceeds 25 allowed). Consider refactoring.

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                normalizeBoundaries: function() {
                    assertRangeValid(this);

                    var sc = this.startContainer, so = this.startOffset, ec = this.endContainer, eo = this.endOffset;

Function getTextRangeBoundaryPosition has 83 lines of code (exceeds 25 allowed). Consider refactoring.

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            var getTextRangeBoundaryPosition = function(textRange, wholeRangeContainerElement, isStart, isCollapsed, startInfo) {
                var workingRange = textRange.duplicate();
                workingRange.collapse(isStart);
                var containerElement = workingRange.parentElement();

Function init has 45 lines of code (exceeds 25 allowed). Consider refactoring.

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    function init() {
        if (!isBrowser || api.initialized) {
            return;
        }
        var testRange;

Function addRange has 34 lines of code (exceeds 25 allowed). Consider refactoring.

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                selProto.addRange = function(range, direction) {
                    if (implementsControlRange && implementsDocSelection && this.docSelection.type == CONTROL) {
                        addRangeToControlSelection(this, range);
                    } else {
                        if (isDirectionBackward(direction) && selectionHasExtend) {

Function comparePoints has 28 lines of code (exceeds 25 allowed). Consider refactoring.

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        function comparePoints(nodeA, offsetA, nodeB, offsetB) {
            // See http://www.w3.org/TR/DOM-Level-2-Traversal-Range/ranges.html#Level-2-Range-Comparing
            var nodeC, root, childA, childB, n;
            if (nodeA == nodeB) {
                // Case 1: nodes are the same

Function moveToBookmark has 26 lines of code (exceeds 25 allowed). Consider refactoring.

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            moveToBookmark: function(bookmark) {
                var containerNode = bookmark.containerNode;
                var charIndex = 0;
                this.setStart(containerNode, 0);
                this.collapse(true);

Function createBoundaryTextRange has 26 lines of code (exceeds 25 allowed). Consider refactoring.

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            var createBoundaryTextRange = function(boundaryPosition, isStart) {
                var boundaryNode, boundaryParent, boundaryOffset = boundaryPosition.offset;
                var doc = dom.getDocument(boundaryPosition.node);
                var workingNode, childNodes, workingRange = getBody(doc).createTextRange();
                var nodeIsDataNode = isCharacterDataNode(boundaryPosition.node);

Consider simplifying this complex logical expression.

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                if (comparison == -1 && boundaryNode && isCharacterDataNode(boundaryNode)) {
                    // This is a character data node (text, comment, cdata). The working range is collapsed at the start of
                    // the node containing the text range's boundary, so we move the end of the working range to the
                    // boundary point and measure the length of its text to get the boundary's offset within the node.
                    workingRange.setEndPoint(isStart ? "EndToStart" : "EndToEnd", textRange);

Avoid deeply nested control flow statements.

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                        for (var i = 0, len = sel.rangeCount; i < len; ++i) {
                            sel._ranges[i] = new api.WrappedRange(sel.nativeSelection.getRangeAt(i));
                        }

Avoid deeply nested control flow statements.

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                            if (selectionSupportsMultipleRanges) {
                                previousRangeCount = this.rangeCount;
                            } else {
                                this.removeAllRanges();
                                previousRangeCount = 0;

Avoid deeply nested control flow statements.

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                                    if (ec == sibling) {
                                        ec = sc;
                                        eo += sc.length;
                                    }

Avoid deeply nested control flow statements.

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                            if (addRangeBackwardToNative) {
                                addRangeBackwardToNative(sel, originalSelectionRanges[i]);
                            } else {
                                api.warn("Rangy initialization: original selection was backwards but selection has been restored forwards because the browser does not support Selection.extend");
                                sel.addRange(originalSelectionRanges[i]);

Avoid deeply nested control flow statements.

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                            if (controlRange.length) {
                                doc = getDocument( controlRange.item(0) );
                            }

Avoid deeply nested control flow statements.

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                            if (this.rangeCount == previousRangeCount + 1) {
                                // The range was added successfully

                                // Check whether the range that we added to the selection is reflected in the last range extracted from
                                // the selection

Function updateNativeRange has 5 arguments (exceeds 4 allowed). Consider refactoring.

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                function updateNativeRange(range, startContainer, startOffset, endContainer, endOffset) {

Function getTextRangeBoundaryPosition has 5 arguments (exceeds 4 allowed). Consider refactoring.

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            var getTextRangeBoundaryPosition = function(textRange, wholeRangeContainerElement, isStart, isCollapsed, startInfo) {

Function updateBoundaries has 5 arguments (exceeds 4 allowed). Consider refactoring.

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        function updateBoundaries(range, startContainer, startOffset, endContainer, endOffset) {

Avoid too many return statements within this function.

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                            return 1;

Avoid too many return statements within this function.

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            return node.nodeName;

Similar blocks of code found in 2 locations. Consider refactoring.

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            canSurroundContents: function() {
                assertRangeValid(this);
                assertNodeNotReadOnly(this.startContainer);
                assertNodeNotReadOnly(this.endContainer);

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Similar blocks of code found in 2 locations. Consider refactoring.

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                canSurroundContents: function() {
                    assertRangeValid(this);
                    assertNodeNotReadOnly(this.startContainer);
                    assertNodeNotReadOnly(this.endContainer);

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Similar blocks of code found in 2 locations. Consider refactoring.

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                    rangeProto.setStart = function(node, offset) {
                        try {
                            this.nativeRange.setStart(node, offset);
                        } catch (ex) {
                            this.nativeRange.setEnd(node, offset);

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Similar blocks of code found in 2 locations. Consider refactoring.

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                    rangeProto.setEnd = function(node, offset) {
                        try {
                            this.nativeRange.setEnd(node, offset);
                        } catch (ex) {
                            this.nativeRange.setStart(node, offset);

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Similar blocks of code found in 2 locations. Consider refactoring.

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        function getIframeWindow(iframeEl) {
            if (typeof iframeEl.contentWindow != UNDEF) {
                return iframeEl.contentWindow;
            } else if (typeof iframeEl.contentDocument != UNDEF) {
                return iframeEl.contentDocument.defaultView;

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Similar blocks of code found in 2 locations. Consider refactoring.

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        function getIframeDocument(iframeEl) {
            if (typeof iframeEl.contentDocument != UNDEF) {
                return iframeEl.contentDocument;
            } else if (typeof iframeEl.contentWindow != UNDEF) {
                return iframeEl.contentWindow.document;

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