make window and document exchangeable in case they are not globals alreay, make sure that init functions are chaninable

7 files changed, 17 insertions, 0 deletions

diff --git a/src/types/Box.js b/src/types/Box.js
index 21672b1..97ba699 100644
--- a/src/types/Box.js
+++ b/src/types/Box.js
@@ -1,8 +1,11 @@
 import { delimiter } from '../modules/core/regex.js'
 import { registerMethods } from '../utils/methods.js'
+import globals from '../utils/window.js'
 import Point from './Point.js'
 import parser from '../modules/core/parser.js'
 
+const { window, document } = globals
+
 function isNulledBox (box) {
   return !box.w && !box.h && !box.x && !box.y
 }
@@ -41,6 +44,8 @@ export default class Box {
     this.y2 = this.y + this.h
     this.cx = this.x + this.w / 2
     this.cy = this.y + this.h / 2
+
+    return this
   }
 
   // Merge rect box with another, return a new instance
diff --git a/src/types/Color.js b/src/types/Color.js
index 6bbfd82..a96958b 100644
--- a/src/types/Color.js
+++ b/src/types/Color.js
@@ -93,6 +93,8 @@ export default class Color {
       this.g = g
       this.b = b
     }
+
+    return this
   }
 
   // Default to hex conversion
diff --git a/src/types/Matrix.js b/src/types/Matrix.js
index 963fd1a..ee12488 100644
--- a/src/types/Matrix.js
+++ b/src/types/Matrix.js
@@ -37,6 +37,8 @@ export default class Matrix {
     this.d = source.d != null ? source.d : base.d
     this.e = source.e != null ? source.e : base.e
     this.f = source.f != null ? source.f : base.f
+
+    return this
   }
 
   // Clones this matrix
diff --git a/src/types/Morphable.js b/src/types/Morphable.js
index 021c5f4..703cc00 100644
--- a/src/types/Morphable.js
+++ b/src/types/Morphable.js
@@ -121,6 +121,7 @@ export class NonMorphable {
   init (val) {
     val = Array.isArray(val) ? val[0] : val
     this.value = val
+    return this
   }
 
   valueOf () {
@@ -152,6 +153,7 @@ export class TransformBag {
     }
 
     Object.assign(this, TransformBag.defaults, obj)
+    return this
   }
 
   toArray () {
@@ -199,6 +201,7 @@ export class ObjectBag {
     })
 
     this.values = entries.reduce((last, curr) => last.concat(curr), [])
+    return this
   }
 
   valueOf () {
diff --git a/src/types/Point.js b/src/types/Point.js
index 685240b..6a2b968 100644
--- a/src/types/Point.js
+++ b/src/types/Point.js
@@ -19,6 +19,8 @@ export default class Point {
     // merge source
     this.x = source.x == null ? base.x : source.x
     this.y = source.y == null ? base.y : source.y
+
+    return this
   }
 
   // Clone point
diff --git a/src/types/SVGArray.js b/src/types/SVGArray.js
index 3894b22..4fcb500 100644
--- a/src/types/SVGArray.js
+++ b/src/types/SVGArray.js
@@ -12,6 +12,7 @@ extend(SVGArray, {
   init (arr) {
     this.length = 0
     this.push(...this.parse(arr))
+    return this
   },
 
   toArray () {
diff --git a/src/types/SVGNumber.js b/src/types/SVGNumber.js
index bba9741..ea21cbd 100644
--- a/src/types/SVGNumber.js
+++ b/src/types/SVGNumber.js
@@ -40,6 +40,8 @@ export default class SVGNumber {
         this.unit = value.unit
       }
     }
+
+    return this
   }
 
   toString () {