don't make three.js a dependency

So it doesn’t matter what version of three.js is installed in the
project.

Author: casperlamboo

README.md

@@ -6,11 +6,11 @@ Can create both `binary` and `ascii` STL's.
 # Example
 
 ```javascript
-import 'three.js';
+import 'mrdoob/three.js/three.js';
 import { saveAs } from 'file-saver';
 import * as exportSTL from 'Doodle3D/ThreeJS-export-STL';
 
-const geometry = new THREE.BoxGeometry(1, 1, 1);
+const geometry = new THREE.BoxGeometry(1, 1, 1).clone();
 const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });
 const mesh = new THREE.Mesh(geometry, material);
 

example/index.js

@@ -1,4 +1,4 @@
-import 'three.js';
+import 'mrdoob/three.js';
 import { saveAs } from 'file-saver';
 import { fromMesh, mimeType } from 'src/index.js';
 
@@ -9,7 +9,7 @@ const camera = new THREE.PerspectiveCamera(75, canvas.width / canvas.height, 0.1
 
 const renderer = new THREE.WebGLRenderer({ canvas });
 
-const geometry = new THREE.BoxGeometry(1, 1, 1);
+const geometry = new THREE.BoxGeometry(1, 1, 1).clone();
 const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });
 const mesh = new THREE.Mesh(geometry, material);
 scene.add(mesh);

jspm.config.js

@@ -10,7 +10,8 @@ SystemJS.config({
   devConfig: {
     "map": {
       "plugin-babel": "npm:[email protected]",
-      "file-saver": "npm:[email protected]"
+      "file-saver": "npm:[email protected]",
+      "mrdoob/three.js": "github:mrdoob/three.js@master"
     }
   },
   transpiler: "plugin-babel",
@@ -32,8 +33,6 @@ SystemJS.config({
     "npm:*.json",
     "github:*/*.json"
   ],
-  map: {
-    "three.js": "github:mrdoob/three.js@master"
-  },
+  map: {},
   packages: {}
 });

package.json

@@ -26,8 +26,7 @@
   "author": "casper@doodle3d",
   "license": "ISC",
   "dependencies": {
-    "jspm": "^0.17.0-beta.32",
-    "three": "^0.82.1"
+    "jspm": "^0.17.0-beta.32"
   },
   "devDependencies": {
     "babel-cli": "^6.5.1",
@@ -40,11 +39,10 @@
     "directories": {
       "lib": "src"
     },
-    "dependencies": {
-      "three.js": "github:mrdoob/three.js@master"
-    },
+    "dependencies": {},
     "devDependencies": {
       "file-saver": "npm:file-saver@^1.3.3",
+      "mrdoob/three.js": "github:mrdoob/three.js@master",
       "plugin-babel": "npm:systemjs-plugin-babel@^0.0.17"
     },
     "overrides": {

src/index.js

@@ -1,5 +1,3 @@
-import 'three.js';
-
 export const mimeType = 'application/vnd.ms-pki.stl';
 
 const LITTLE_ENDIAN = true;
@@ -65,15 +63,15 @@ function geometryToData(geometry, binary) {
 }
 
 export function fromGeometry(geometry, matrix, binary = true) {
-  if (geometry instanceof THREE.BufferGeometry) {
+  if (geometry.type === 'BufferGeometry') {
     geometry = new THREE.Geometry().fromBufferGeometry(geometry);
-  } else if (geometry instanceof THREE.Geometry) {
+  } else if (geometry.type === 'Geometry') {
     geometry = geometry.clone();
   } else {
     throw new Error('Geometry is not an instance of BufferGeometry or Geometry');
   }
 
-  if (matrix instanceof THREE.Matrix4) {
+  if (matrix) {
     geometry.applyMatrix(matrix);
   }