Add SketchDataToJSON

src/shape/SketchDataToJSON.js

@@ -0,0 +1,59 @@
+import { vectorArrayToBase64, imageToBase64 } from '../utils/binaryUtils.js';
+
+export function sketchDataToJSON({ objectsById, spaces }) {
+  const data = {
+    spaces: []
+  };
+
+  function createShapeData(id) {
+    const shape = { ...objectsById[id] };
+    delete shape.UID;
+    delete shape.space;
+
+    switch (shape.type) {
+      case 'POLYGON':
+      case 'BRUSH':
+      case 'FREE_HAND': {
+        shape.points = vectorArrayToBase64(shape.points);
+        break;
+      }
+
+      case 'COMPOUND_PATH': {
+        shape.points = vectorArrayToBase64(shape.points);
+        shape.holes = shape.holes.map(vectorArrayToBase64);
+        break;
+      }
+
+      case 'IMAGE_GUIDE': {
+        shape.imageData = imageToBase64(shape.imageData);
+        break;
+      }
+
+      default: {
+        break;
+      }
+    }
+    return shape;
+  }
+
+  for (const spaceId in spaces) {
+    const space = {
+      matrix: {
+        metadata: { type: 'Matrix4', library: 'three.js' },
+        elements: Array.from(spaces[spaceId].matrix.elements)
+      },
+      objects: spaces[spaceId].objectIds.map(createShapeData)
+    };
+
+    if (spaceId === 'world') {
+      data.spaces.unshift(space);
+    } else {
+      data.spaces.push(space);
+    }
+  }
+
+  return {
+    data: JSON.stringify(data),
+    appVersion: VERSION
+  };
+}

src/shape/index.js

@@ -1,6 +1,7 @@
 import docToFile from './docToFile.js';
 import * as shapeToPoints from './shapeToPoints.js';
 import JSONToSketchData from './JSONToSketchData.js';
+import SketchDataToJSON from './SketchDataToJSON.js';
 import * as shapeDataUtils from './shapeDataUtils.js';
 
-export { docToFile, shapeToPoints, JSONToSketchData, shapeDataUtils };
+export { docToFile, shapeToPoints, JSONToSketchData, SketchDataToJSON, shapeDataUtils };