Function delegateEvents has 94 lines of code (exceeds 50 allowed). Consider refactoring.

Open

function delegateEvents(scene) {
  const events = ['mousedown', 'mouseup', 'mousemove', 'mousewheel', 'wheel',
    'touchstart', 'touchend', 'touchmove', 'touchcancel',
    'click', 'dblclick', 'longpress', 'tap', 'contextmenu'];

File node.js has 517 lines of code (exceeds 500 allowed). Consider refactoring.

Open

import {mat2d} from 'gl-matrix';
import Attr from '../attribute/node';
import Animation from '../animation';
import ownerDocument from '../document';
import SpriteEvent from '../event/event';

Consider simplifying this complex logical expression.

Open

    if(key === 'anchorX' || key === 'anchorY' || key === 'boxSizing' || key === 'width' || key === 'height' || key === 'borderWidth'
      || key === 'paddingLeft' || key === 'paddingRight' || key === 'paddingTop' || key === 'paddingBottom'
      || /^border(TopLeft|TopRight|BottomRight|BottomLeft)Radius$/.test(key)) {
      this.updateContours();
    }

Consider simplifying this complex logical expression.

Open

    if(key === 'text' || key === 'fontSize' || key === 'fontFamily'
      || key === 'fontStyle' || key === 'fontVariant' || key === 'fontWeight'
      || key === 'fontStretch' || key === 'lineHeight'
      || key === 'strokeColor' || key === 'fillColor'
      || key === 'strokeWidth') {

Function transform has a Cognitive Complexity of 36 (exceeds 25 allowed). Consider refactoring.

Open

  set transform(value) {
    let _matrixValue = null;
    if(Array.isArray(value)) {
      _matrixValue = value;
      value = `matrix(${value.map(toNumber).join()})`;

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Function updateTexture has a Cognitive Complexity of 35 (exceeds 25 allowed). Consider refactoring.

Open

function updateTexture(svgNode, flexible = true) {
  const root = svgNode[_root];
  if(root && root.children[0]) {
    const svg = svgNode.svg;
    const displayRatio = svgNode.layer ? svgNode.layer.displayRatio : 1;

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Function dispatchPointerEvent has 72 lines of code (exceeds 50 allowed). Consider refactoring.

Open

  dispatchPointerEvent(event) {
    // 派发事件给 svg 元素，但是目前只支持派发给 svg 根元素，不支持派发给子元素
    const ret = super.dispatchPointerEvent(event);
    if(ret && this.attributes.passEvents && typeof MouseEvent === 'function') {
      const {x, y} = event;

Function dispatchPointerEvent has 65 lines of code (exceeds 50 allowed). Consider refactoring.

Open

  dispatchPointerEvent(event) {
    const type = event.type;
    if(type === 'mousedown' || type === 'mouseup' || type === 'mousemove') {
      const capturedTarget = this.__mouseCapturedTarget;
      if(capturedTarget) {

Function tick has a Cognitive Complexity of 33 (exceeds 25 allowed). Consider refactoring.

Open

  tick(handler = null, {duration = Infinity, ...timelineOptions} = {}) {
    // this._prepareRenderFinished();
    const t = this.timeline.fork(timelineOptions);
    const layer = this;

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Function sizeToPixel has a Cognitive Complexity of 33 (exceeds 25 allowed). Consider refactoring.

Open

export function sizeToPixel(value, defaultWidth) { // eslint-disable-line complexity
  const matched = value.trim().match(/^([\d.]+)(px|pt|pc|in|cm|mm|em|ex|rem|q|vw|vh|vmax|vmin)$/);
  if(matched) {
    value = {size: parseFloat(matched[1]), unit: matched[2]};
  } else {

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Consider simplifying this complex logical expression.

Open

    if(this[_mesh] && (key === 'strokeColor' || key === 'lineWidth' || key === 'lineCap' || key === 'lineJoin'
      || key === 'lineDash' || key === 'lineDashOffset' || key === 'roundSegments')) {
      const {strokeColor, lineWidth} = this.attributes;
      if(strokeColor && lineWidth > 0) {
        const {lineCap, lineJoin, lineDash, lineDashOffset, miterLimit, roundSegments} = this.attributes;

Function render has a Cognitive Complexity of 31 (exceeds 25 allowed). Consider refactoring.

Open

  render() {
    const layers = this.orderedChildren;
    let hostLayer = null;
    const offscreens = [];

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Function updateTexture has 54 lines of code (exceeds 50 allowed). Consider refactoring.

Open

function updateTexture(svgNode, flexible = true) {
  const root = svgNode[_root];
  if(root && root.children[0]) {
    const svg = svgNode.svg;
    const displayRatio = svgNode.layer ? svgNode.layer.displayRatio : 1;

Function transition has 54 lines of code (exceeds 50 allowed). Consider refactoring.

Open

  transition(sec, easing = 'linear') {
    const that = this,
      _animation = Symbol('animation');

    easing = easing || 'linear';

Function contentSize has a Cognitive Complexity of 30 (exceeds 25 allowed). Consider refactoring.

Open

  get contentSize() {
    let [w, h] = super.contentSize;
    const {width, height} = this.attributes;
    if(width == null || height == null) {
      const img = this.textureImage;

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Function draw has 51 lines of code (exceeds 50 allowed). Consider refactoring.

Open

  draw(meshes) {
    super.draw(meshes);
    const mesh = this.mesh;
    if(mesh) {
      const textImage = this[_textImage];

Consider simplifying this complex logical expression.

Open

    if(!texture
      || node[_textureContext] && node[_textureContext] !== renderer
      || texture.image !== textureImage
      || texture.options.repeat !== textureRepeat
      || !compareValue(texture.options.rect, textureRect)

Avoid deeply nested control flow statements.

Open

            if(svgNode.attributes.flexible) {
              svgNode.attributes.textureRect = null;
            }

Avoid deeply nested control flow statements.

Open

        if(height == null) h = img.height / ratio;

Avoid deeply nested control flow statements.

Open

          if(layer.prepareRender) layer.render();