File component.js has 390 lines of code (exceeds 250 allowed). Consider refactoring.

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//
//   Copyright 2009-2014 Ilkka Oksanen <iao@iki.fi>
//
//   Licensed under the Apache License, Version 2.0 (the "License");
//   you may not use this file except in compliance with the License.

Function _dragWindowEnd has a Cognitive Complexity of 29 (exceeds 5 allowed). Consider refactoring.

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  _dragWindowEnd(event) {
    const cursor = this.cursor;

    this.set('draggedWindow', false);
    this.movingWindow.$().removeClass('moving').css('z-index', '');

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Function _dragWindowEnd has 54 lines of code (exceeds 25 allowed). Consider refactoring.

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  _dragWindowEnd(event) {
    const cursor = this.cursor;

    this.set('draggedWindow', false);
    this.movingWindow.$().removeClass('moving').css('z-index', '');

Function _drawCursor has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

  _drawCursor(cursor) {
    if (cursor.x === null) {
      $('#window-cursor').hide();
      return;
    }

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Function _markWindow has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

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  _markWindow(masWindow, x, y, cursor) {
    masWindow.cursor = 'none';

    const rowCount = this.dimensions.length;
    const columnCount = this.dimensions[y].length;

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Function _drawCursor has 37 lines of code (exceeds 25 allowed). Consider refactoring.

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  _drawCursor(cursor) {
    if (cursor.x === null) {
      $('#window-cursor').hide();
      return;
    }

Function _layoutWindows has 36 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  _layoutWindows(animate) {
    const duration = animate ? 600 : 0;
    const windowComponents = this.windowComponents;
    const container = this._containerDimensions();
    const expandedWindow = windowComponents.findBy('expanded', true);

Consider simplifying this complex logical expression.

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    if (
      (y === 0 && cursor === 'top') ||
      (y === rows - 1 && cursor === 'bottom') ||
      (x === 0 && cursor === 'left') ||
      (x === columns - 1 && cursor === 'right')

Function _whichSection has 30 lines of code (exceeds 25 allowed). Consider refactoring.

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  _whichSection(windowDim, x, y) {
    // -----------------
    // |\      t      /|
    // | \           / |
    // |  -----------  |

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

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  _calculateCursorPosition(event) {
    const outOfBoundsCursor = { x: null, y: null, section: null };

    const x = event.clientX;
    const y = event.clientY;

Consider simplifying this complex logical expression.

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        if (cursor.section === 'top' || cursor.section === 'bottom') {
          deltaY = rowIndex > cursor.y || (rowIndex === cursor.y && cursor.section === 'top') ? 1 : 0;
        } else {
          deltaX =
            rowIndex === cursor.y && (columnIndex > cursor.x || (columnIndex === cursor.x && cursor.section === 'left'))

Consider simplifying this complex logical expression.

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    } else if (
      cursor.y === y &&
      ((section === 'right' && cursor.x === x) || (x < columnCount - 1 && cursor.x - 1 === x && section === 'left'))
    ) {
      masWindow.cursor = 'right';

Consider simplifying this complex logical expression.

Open

    } else if (
      cursor.y === y &&
      ((section === 'left' && cursor.x === x) || (x > 0 && cursor.x === x - 1 && section === 'right'))
    ) {
      masWindow.cursor = 'left';

Function _whichSection has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  _whichSection(windowDim, x, y) {
    // -----------------
    // |\      t      /|
    // | \           / |
    // |  -----------  |

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Function _calculateSpaceForCursor has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

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  _calculateSpaceForCursor(x, y, cursor) {
    let width = Math.round(CURSORWIDTH / 2);
    const rows = this.dimensions.length;
    const columns = this.dimensions[y].length;

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Avoid too many return statements within this function.

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      return 'left'; // l

Avoid too many return statements within this function.

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    return null;