fix #42

Author: jljsj33

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rc-tween-one",
-  "version": "2.2.5",
+  "version": "2.2.6",
   "description": "tween-one anim component for react",
   "keywords": [
     "react",

src/easing.js

@@ -1,9 +1,9 @@
 import easingTypes from 'tween-functions';
-import { parsePath } from './util';
+import { windowIsUndefined, parsePath } from './util';
 
 easingTypes.path = (_path, _param) => {
   const param = _param || {};
-  if (typeof window === 'undefined') {
+  if (windowIsUndefined) {
     return 'linear';
   }
   const pathNode = parsePath(_path);

src/plugin/PathPlugin.jsx

@@ -3,15 +3,15 @@ import {
   getTransform,
   createMatrix,
 } from 'style-utils';
-import { parsePath, getTransformValue } from '../util';
+import { windowIsUndefined, parsePath, getTransformValue } from '../util';
 
 function PathPlugin(target, vars) {
   this.target = target;
   const path = typeof vars === 'string' ? vars : vars.x || vars.y || vars.rotate;
   this.vars = vars;
-  this.path = parsePath(path);
+  this.path = windowIsUndefined ? null : parsePath(path);
   this.start = {};
-  this.pathLength = this.path.getTotalLength();
+  this.pathLength = this.path ? this.path.getTotalLength() : 0;
 }
 
 PathPlugin.prototype = {
@@ -20,7 +20,7 @@ PathPlugin.prototype = {
   getPoint(offset) {
     const o = offset || 0;
     const p = this.pathLength * this.progress + o;
-    return this.path.getPointAtLength(p);
+    return this.path ? this.path.getPointAtLength(p) : 0;
   },
   getAnimStart(computedStyle, isSvg) {
     const transform = getTransform(computedStyle[isSvg ?

src/util.js

@@ -1,6 +1,12 @@
 import React from 'react';
 import deepEql from 'deep-eql';
 
+export const windowIsUndefined = !(
+  typeof window !== 'undefined' &&
+  window.document &&
+  window.document.createElement
+);
+
 export function toArrayChildren(children) {
   const ret = [];
   React.Children.forEach(children, (c) => {
@@ -152,6 +158,9 @@ export function startConvertToEndUnit(
   target, computedStyle, style, num,
   unit, dataUnit, fixed, isOriginWidth
 ) {
+  if (windowIsUndefined) {
+    return num;
+  }
   let horiz = /(?:Left|Right|Width|X)/i.test(style) || isOriginWidth;
   horiz = style === 'padding' || style === 'marign' ? true : horiz;
   let t = style.indexOf('border') !== -1 || style.indexOf('translate') !== -1 ?