From 323dcdc24ca6c17a065f5aee4e9ea48c0e45ec11 Mon Sep 17 00:00:00 2001
From: Abhishek Chandel <>
Date: Thu, 6 Apr 2023 22:31:59 +0530
Subject: [PATCH 1/8] rotation along path with chain to path callback

---
 packages/maker.js/package-lock.json  | 446 ++++++++++++++++++---------
 packages/maker.js/src/core/chain.ts  | 118 ++++++-
 packages/maker.js/src/core/layout.ts |  14 +-
 packages/maker.js/src/core/maker.ts  |  16 +
 4 files changed, 439 insertions(+), 155 deletions(-)

diff --git a/packages/maker.js/package-lock.json b/packages/maker.js/package-lock.json
index bdf605020..0b0329d1a 100644
--- a/packages/maker.js/package-lock.json
+++ b/packages/maker.js/package-lock.json
@@ -1,140 +1,310 @@
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-			"dev": true
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-		"@jscad/io-utils": {
-			"version": "0.1.3",
-			"resolved": "https://registry.npmjs.org/@jscad/io-utils/-/io-utils-0.1.3.tgz",
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-			"dev": true
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-		"@jscad/stl-serializer": {
-			"version": "0.1.3",
-			"resolved": "https://registry.npmjs.org/@jscad/stl-serializer/-/stl-serializer-0.1.3.tgz",
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+  "name": "makerjs",
+  "version": "0.17.6",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "makerjs",
+      "version": "0.17.6",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@danmarshall/jscad-typings": "^1.0.0",
+        "@types/bezier-js": "^0.0.6",
+        "@types/node": "^7.0.5",
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+        "@types/pdfkit": "^0.7.34",
+        "bezier-js": "^2.1.0",
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+        "graham_scan": "^1.0.4",
+        "kdbush": "^2.0.1"
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+      "devDependencies": {
+        "@jscad/csg": "^0.3.7",
+        "@jscad/stl-serializer": "^0.1.0",
+        "@types/graham_scan": "^1.0.28",
+        "dxf-parser-typings": "^1.3.0"
+      }
+    },
+    "node_modules/@danmarshall/jscad-typings": {
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+      "resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
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+      "deprecated": "See @jscad/modeling",
+      "dev": true
+    },
+    "node_modules/@jscad/io-utils": {
+      "version": "0.1.3",
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+      "dev": true
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+    },
+    "@types/pdfkit": {
+      "version": "0.7.36",
+      "resolved": "https://registry.npmjs.org/@types/pdfkit/-/pdfkit-0.7.36.tgz",
+      "integrity": "sha512-9eRA6MuW+n78yU3HhoIrDxjyAX2++B5MpLDYqHOnaRTquCw+5sYXT+QN8E1eSaxvNUwlRfU3tOm4UzTeGWmBqg==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "bezier-js": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/bezier-js/-/bezier-js-2.6.1.tgz",
+      "integrity": "sha512-jelZM33eNzcZ9snJ/5HqJLw3IzXvA8RFcBjkdOB8SDYyOvW8Y2tTosojAiBTnD1MhbHoWUYNbxUXxBl61TxbRg=="
+    },
+    "clone": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
+      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
+    },
+    "dxf-parser-typings": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/dxf-parser-typings/-/dxf-parser-typings-1.3.0.tgz",
+      "integrity": "sha512-ctHwtmHYPNLOHh7Wd8VAjB5Sn+NUJvyLWcJHM33JvdbSmzSbhacAC1Fd5FELyW3M0Pb7/ImVpGdWVk4sg3IDhw==",
+      "dev": true,
+      "requires": {
+        "indefinitely-typed": "^1.0.2"
+      }
+    },
+    "fs-extra": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+      "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      }
+    },
+    "graceful-fs": {
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
+      "integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==",
+      "dev": true
+    },
+    "graham_scan": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/graham_scan/-/graham_scan-1.0.4.tgz",
+      "integrity": "sha1-OZZR3R+DU+GID1nqjl+Uud9Mkoo="
+    },
+    "indefinitely-typed": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/indefinitely-typed/-/indefinitely-typed-1.1.0.tgz",
+      "integrity": "sha512-giaI0hCj+wWZIZZLsmWHI+LrM4Hwc+rEZ/VrgCafKePcnE42fLnQTFt4xspqLin8fCjI5WnQr2fep/0EFqjaxw==",
+      "dev": true,
+      "requires": {
+        "fs-extra": "^7.0.0",
+        "minimist": "^1.2.5"
+      }
+    },
+    "jsonfile": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+      "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
+    "kdbush": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/kdbush/-/kdbush-2.0.1.tgz",
+      "integrity": "sha512-9KqSdmWCkBIisFIGclT0FRagKhI7IVbMyUjsxCFG0Ly1Dg6whlxJ7b9lrq8ifk3X/fGeJzok1R75LQfZTfA5zQ=="
+    },
+    "minimist": {
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
+      "dev": true
+    },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+      "dev": true
+    }
+  }
 }
diff --git a/packages/maker.js/src/core/chain.ts b/packages/maker.js/src/core/chain.ts
index e666af7fa..e17bc9fed 100644
--- a/packages/maker.js/src/core/chain.ts
+++ b/packages/maker.js/src/core/chain.ts
@@ -560,9 +560,9 @@ namespace MakerJs.chain {
     /**
      * @private
      */
-    function removeDuplicateEnds(endless: boolean, points: IPoint[]) {
+    function removeDuplicateEnds(endless: boolean, points: IWalkChainPoints[]) {
         if (!endless || points.length < 2) return;
-        if (measure.isPointEqual(points[0], points[points.length - 1], .00001)) {
+        if (measure.isPointEqual(points[0].point, points[points.length - 1].point, .00001)) {
             points.pop();
         }
     }
@@ -575,11 +575,44 @@ namespace MakerJs.chain {
      * @param maxPoints Maximum number of points to retrieve.
      * @returns Array of points which are on the chain spread at a uniform interval.
      */
-    export function toPoints(chainContext: IChain, distanceOrDistances: number | number[], maxPoints?: number): IPoint[] {
-        var result: IPoint[] = [];
+    export function toPoints(chainContext: IChain, distanceOrDistances: number | number[], maxPoints?: number): IPoint[];
+
+    /**
+     * Get points along a chain of paths.
+     * 
+     * @param chainContext Chain of paths to get points from.
+     * @param distance Numeric distance along the chain between points, or numeric array of distances along the chain between each point.
+     * @param callback Callback function when points are found.
+     * @param maxPoints Maximum number of points to retrieve.
+     * @returns Array of points which are on the chain spread at a uniform interval.
+     */
+    export function toPoints(chainContext: IChain, distanceOrDistances: number | number[], callback: IChainPointsCallback, maxPoints?: number): IPoint[];
+
+    export function toPoints(chainContext: IChain, distanceOrDistances: number | number[], ... args: any): IPoint[] {
+        
+        var maxPoints: number;
+        var callback: IChainPointsCallback;
+
+        switch (args.length) {
+            case 1:
+                if (typeof args[0] === 'function') {
+                    callback = args[0];
+                } else {
+                    maxPoints = args[0];
+                }
+                break;
+
+            case 2:
+                callback = args[0];
+                maxPoints = args[1];
+                break;
+        }
+
+        var result: IWalkChainPoints[] = [];
         var di = 0;
         var t = 0;
         var distanceArray: number[];
+        let breakLoop = false;
 
         if (Array.isArray(distanceOrDistances)) {
             distanceArray = distanceOrDistances as number[];
@@ -595,10 +628,23 @@ namespace MakerJs.chain {
                 if (link.reversed) {
                     r = 1 - r;
                 }
+                let chainPoint: IWalkChainPoints = {
+                    point: point.add(point.middle(wp.pathContext, r), wp.offset),
+                    pathContext: wp.pathContext,
+                    modelContext: wp.modelContext,
+                    pathId: wp.pathId,
+                    layer: wp.layer,
+                    offset: wp.offset,
+                    route: wp.route,
+                    routeKey: wp.routeKey,
+                    endPoints: link.endPoints
+                };
+                result.push(chainPoint);
 
-                result.push(point.add(point.middle(wp.pathContext, r), wp.offset));
-
-                if (maxPoints && result.length >= maxPoints) return result;
+                if (maxPoints && result.length >= maxPoints) { 
+                    breakLoop = true;
+                    break;
+                }
 
                 var distance: number;
                 if (distanceArray) {
@@ -606,7 +652,8 @@ namespace MakerJs.chain {
                     di++;
 
                     if (di > distanceArray.length) {
-                        return result;
+                        breakLoop;
+                        break;
                     }
 
                 } else {
@@ -615,12 +662,13 @@ namespace MakerJs.chain {
 
                 t += distance;
             }
-
             t -= len;
+            if(breakLoop) break;
         }
 
         removeDuplicateEnds(chainContext.endless, result);
-        return result;
+        if (callback) callback(result);
+        return result.map(x => x.point);
     }
 
     /**
@@ -630,8 +678,35 @@ namespace MakerJs.chain {
      * @param maxArcFacet The maximum length between points on an arc or circle.
      * @returns Array of points which are on the chain.
      */
-    export function toKeyPoints(chainContext: IChain, maxArcFacet?: number): IPoint[] {
-        var result: IPoint[] = [];
+    export function toKeyPoints(chainContext: IChain, maxArcFacet?: number): IPoint[];
+
+    /**
+     * Get key points (a minimal a number of points) along a chain of paths.
+     * 
+     * @param chainContext Chain of paths to get points from.
+     * @param maxArcFacet The maximum length between points on an arc or circle.
+     * @param callback Callback function when points are found.
+     * @returns Array of points which are on the chain.
+     */
+    export function toKeyPoints(chainContext: IChain, callback: IWalkChainPoints, maxArcFacet?: number): IPoint[];
+    export function toKeyPoints(chainContext: IChain, ... args: any): IPoint[] {
+        var maxArcFacet: number;
+        var callback: IChainPointsCallback;
+        switch (args.length) {
+            case 1:
+                if (typeof args[0] === 'function') {
+                    callback = args[0];
+                } else {
+                    maxArcFacet = args[0];
+                }
+                break;
+
+            case 2:
+                callback = args[0];
+                maxArcFacet = args[1];
+                break;
+        }
+        var result: IWalkChainPoints[] = [];
 
         for (var i = 0; i < chainContext.links.length; i++) {
             var link = chainContext.links[i];
@@ -646,12 +721,27 @@ namespace MakerJs.chain {
                 }
 
                 var offsetPathPoints = keyPoints.map(p => point.add(p, wp.offset));
-                result.push.apply(result, offsetPathPoints);
+                
+                var chainPoints = offsetPathPoints.map(p=> {
+                    return {
+                        point: p,
+                        pathContext: wp.pathContext,
+                        modelContext: wp.modelContext,
+                        pathId: wp.pathId,
+                        layer: wp.layer,
+                        offset: wp.offset,
+                        route: wp.route,
+                        routeKey: wp.routeKey,
+                        endPoints: link.endPoints
+                    }
+                });
+                result.push.apply(result, chainPoints);
             }
         }
 
         removeDuplicateEnds(chainContext.endless, result);
-        return result;
+        if (callback) callback(result);
+        return result.map(x=> x.point);
     }
 
 }
diff --git a/packages/maker.js/src/core/layout.ts b/packages/maker.js/src/core/layout.ts
index d8fa09d25..03e2fd162 100644
--- a/packages/maker.js/src/core/layout.ts
+++ b/packages/maker.js/src/core/layout.ts
@@ -181,9 +181,10 @@ namespace MakerJs.layout {
      * @param reversed Flag to travel along the chain in reverse. Default is false.
      * @param contain Flag to contain the children layout within the length of the chain. Default is false.
      * @param rotate Flag to rotate the child to mitered angle. Default is true.
+     * @param rotateAlongPath Flag to rotate the child along the layout path. Default is false. Works only if rotate is set true.
      * @returns The parentModel, for cascading.
      */
-    export function childrenOnChain(parentModel: IModel, onChain: IChain, baseline = 0, reversed = false, contain = false, rotated = true) {
+    export function childrenOnChain(parentModel: IModel, onChain: IChain, baseline = 0, reversed = false, contain = false, rotated = true, rotateAlongPath = false) {
         var result = getChildPlacement(parentModel, baseline);
         var cpa = result.cpa;
 
@@ -206,8 +207,15 @@ namespace MakerJs.layout {
                 relatives.shift();
             }
 
+            var alongPathAngles: number[] = [];
             //chain.toPoints always follows the chain in its order, from beginning to end. This is why we needed to contort the points input
-            points = chain.toPoints(onChain, relatives);
+            points = chain.toPoints(onChain, relatives, 
+                (chainPoints)=> {
+                    for(let i = 0; i < chainPoints.length; i++)
+                    {
+                        alongPathAngles.push(angle.ofPointInDegrees(chainPoints[i].endPoints[0], chainPoints[i].endPoints[0]));
+                    }
+            });
 
             if (points.length < cpa.length) {
                 //add last point of chain, since our distances exceeded the chain
@@ -231,7 +239,7 @@ namespace MakerJs.layout {
 
         if (cpa.length > 1) {
             cpa.forEach((cp, i) => {
-                cp.angle = angles[i];
+                cp.angle = rotateAlongPath ? alongPathAngles[i] : angles[i];
                 cp.origin = points[i];
             });
         } else {
diff --git a/packages/maker.js/src/core/maker.ts b/packages/maker.js/src/core/maker.ts
index 589496061..294c0c5e0 100644
--- a/packages/maker.js/src/core/maker.ts
+++ b/packages/maker.js/src/core/maker.ts
@@ -782,6 +782,22 @@ namespace MakerJs {
         alternateDirection?: boolean;
     }
 
+    /**
+     * A point reference in a path.
+     */
+    export interface IWalkChainPoints extends IWalkPath{
+        point: IPoint;
+        endPoints: IPoint[];
+    }
+
+    /**
+     * Callback signature for chain.toPoints().
+     */
+    export interface IChainPointsCallback {
+        
+        (chainPoints: IWalkChainPoints[]): void;
+    }
+
     /**
      * Reference to a model within a model.
      */

From 68f0f83302b398cc4272af77104d560a216be180 Mon Sep 17 00:00:00 2001
From: Abhishek Chandel <>
Date: Mon, 10 Apr 2023 17:20:29 +0530
Subject: [PATCH 2/8] fixed logic

---
 docs/demos/package-lock.json          |   1 -
 docs/target/js/browser.maker.js       | 122 +++--
 packages/docs/package-lock.json       | 632 ++++++++++++++++++--------
 packages/maker.js/src/core/chain.ts   |  10 +-
 packages/maker.js/src/core/layout.ts  |   2 +-
 packages/playground/package-lock.json | 114 +----
 6 files changed, 533 insertions(+), 348 deletions(-)

diff --git a/docs/demos/package-lock.json b/docs/demos/package-lock.json
index 3a796d7ee..0cc0f1701 100644
--- a/docs/demos/package-lock.json
+++ b/docs/demos/package-lock.json
@@ -33,7 +33,6 @@
         "@types/opentype.js": "^0.7.0",
         "detective": "^5.2.0",
         "highlight.js": "^11.5.1",
-        "makerjs": "*",
         "marked": "^4.0.14",
         "opentype.js": "^0.9.0"
       }
diff --git a/docs/target/js/browser.maker.js b/docs/target/js/browser.maker.js
index d3a56a937..e9ec5f517 100644
--- a/docs/target/js/browser.maker.js
+++ b/docs/target/js/browser.maker.js
@@ -6739,23 +6739,36 @@ var MakerJs;
         function removeDuplicateEnds(endless, points) {
             if (!endless || points.length < 2)
                 return;
-            if (MakerJs.measure.isPointEqual(points[0], points[points.length - 1], .00001)) {
+            if (MakerJs.measure.isPointEqual(points[0].point, points[points.length - 1].point, .00001)) {
                 points.pop();
             }
         }
-        /**
-         * Get points along a chain of paths.
-         *
-         * @param chainContext Chain of paths to get points from.
-         * @param distance Numeric distance along the chain between points, or numeric array of distances along the chain between each point.
-         * @param maxPoints Maximum number of points to retrieve.
-         * @returns Array of points which are on the chain spread at a uniform interval.
-         */
-        function toPoints(chainContext, distanceOrDistances, maxPoints) {
+        function toPoints(chainContext, distanceOrDistances) {
+            var args = [];
+            for (var _i = 2; _i < arguments.length; _i++) {
+                args[_i - 2] = arguments[_i];
+            }
+            var maxPoints;
+            var callback;
+            switch (args.length) {
+                case 1:
+                    if (typeof args[0] === 'function') {
+                        callback = args[0];
+                    }
+                    else {
+                        maxPoints = args[0];
+                    }
+                    break;
+                case 2:
+                    callback = args[0];
+                    maxPoints = args[1];
+                    break;
+            }
             var result = [];
             var di = 0;
             var t = 0;
             var distanceArray;
+            var breakLoop = false;
             if (Array.isArray(distanceOrDistances)) {
                 distanceArray = distanceOrDistances;
             }
@@ -6768,15 +6781,29 @@ var MakerJs;
                     if (link.reversed) {
                         r = 1 - r;
                     }
-                    result.push(MakerJs.point.add(MakerJs.point.middle(wp.pathContext, r), wp.offset));
-                    if (maxPoints && result.length >= maxPoints)
-                        return result;
+                    var chainPoint = {
+                        point: MakerJs.point.add(MakerJs.point.middle(wp.pathContext, r), wp.offset),
+                        pathContext: wp.pathContext,
+                        modelContext: wp.modelContext,
+                        pathId: wp.pathId,
+                        layer: wp.layer,
+                        offset: wp.offset,
+                        route: wp.route,
+                        routeKey: wp.routeKey,
+                        endPoints: link.endPoints
+                    };
+                    result.push(chainPoint);
+                    if (maxPoints && result.length >= maxPoints) {
+                        breakLoop = true;
+                        break;
+                    }
                     var distance;
                     if (distanceArray) {
                         distance = distanceArray[di];
                         di++;
                         if (di > distanceArray.length) {
-                            return result;
+                            breakLoop;
+                            break;
                         }
                     }
                     else {
@@ -6785,19 +6812,36 @@ var MakerJs;
                     t += distance;
                 }
                 t -= len;
+                if (breakLoop)
+                    break;
             }
             removeDuplicateEnds(chainContext.endless, result);
-            return result;
+            if (callback)
+                callback(result);
+            return result.map(function (x) { return x.point; });
         }
         chain.toPoints = toPoints;
-        /**
-         * Get key points (a minimal a number of points) along a chain of paths.
-         *
-         * @param chainContext Chain of paths to get points from.
-         * @param maxArcFacet The maximum length between points on an arc or circle.
-         * @returns Array of points which are on the chain.
-         */
-        function toKeyPoints(chainContext, maxArcFacet) {
+        function toKeyPoints(chainContext) {
+            var args = [];
+            for (var _i = 1; _i < arguments.length; _i++) {
+                args[_i - 1] = arguments[_i];
+            }
+            var maxArcFacet;
+            var callback;
+            switch (args.length) {
+                case 1:
+                    if (typeof args[0] === 'function') {
+                        callback = args[0];
+                    }
+                    else {
+                        maxArcFacet = args[0];
+                    }
+                    break;
+                case 2:
+                    callback = args[0];
+                    maxArcFacet = args[1];
+                    break;
+            }
             var result = [];
             for (var i = 0; i < chainContext.links.length; i++) {
                 var link = chainContext.links[i];
@@ -6811,11 +6855,26 @@ var MakerJs;
                         keyPoints.shift();
                     }
                     var offsetPathPoints = keyPoints.map(function (p) { return MakerJs.point.add(p, wp.offset); });
-                    result.push.apply(result, offsetPathPoints);
+                    var chainPoints = offsetPathPoints.map(function (p) {
+                        return {
+                            point: p,
+                            pathContext: wp.pathContext,
+                            modelContext: wp.modelContext,
+                            pathId: wp.pathId,
+                            layer: wp.layer,
+                            offset: wp.offset,
+                            route: wp.route,
+                            routeKey: wp.routeKey,
+                            endPoints: link.endPoints
+                        };
+                    });
+                    result.push.apply(result, chainPoints);
                 }
             }
             removeDuplicateEnds(chainContext.endless, result);
-            return result;
+            if (callback)
+                callback(result);
+            return result.map(function (x) { return x.point; });
         }
         chain.toKeyPoints = toKeyPoints;
     })(chain = MakerJs.chain || (MakerJs.chain = {}));
@@ -8507,13 +8566,15 @@ var MakerJs;
          * @param reversed Flag to travel along the chain in reverse. Default is false.
          * @param contain Flag to contain the children layout within the length of the chain. Default is false.
          * @param rotate Flag to rotate the child to mitered angle. Default is true.
+         * @param rotateAlongPath Flag to rotate the child along the layout path. Default is false. Works only if rotate is set true.
          * @returns The parentModel, for cascading.
          */
-        function childrenOnChain(parentModel, onChain, baseline, reversed, contain, rotated) {
+        function childrenOnChain(parentModel, onChain, baseline, reversed, contain, rotated, rotateAlongPath) {
             if (baseline === void 0) { baseline = 0; }
             if (reversed === void 0) { reversed = false; }
             if (contain === void 0) { contain = false; }
             if (rotated === void 0) { rotated = true; }
+            if (rotateAlongPath === void 0) { rotateAlongPath = false; }
             var result = getChildPlacement(parentModel, baseline);
             var cpa = result.cpa;
             var chainLength = onChain.pathLength;
@@ -8532,8 +8593,13 @@ var MakerJs;
                 else {
                     relatives.shift();
                 }
+                var alongPathAngles = [];
                 //chain.toPoints always follows the chain in its order, from beginning to end. This is why we needed to contort the points input
-                points = MakerJs.chain.toPoints(onChain, relatives);
+                points = MakerJs.chain.toPoints(onChain, relatives, function (chainPoints) {
+                    for (var i = 0; i < chainPoints.length; i++) {
+                        alongPathAngles.push(MakerJs.angle.ofPointInDegrees(chainPoints[i].endPoints[0], chainPoints[i].endPoints[0]));
+                    }
+                });
                 if (points.length < cpa.length) {
                     //add last point of chain, since our distances exceeded the chain
                     var endLink = onChain.links[onChain.links.length - 1];
@@ -8554,7 +8620,7 @@ var MakerJs;
             var angles = miterAngles(points, -90);
             if (cpa.length > 1) {
                 cpa.forEach(function (cp, i) {
-                    cp.angle = angles[i];
+                    cp.angle = rotateAlongPath ? alongPathAngles[i] : angles[i];
                     cp.origin = points[i];
                 });
             }
diff --git a/packages/docs/package-lock.json b/packages/docs/package-lock.json
index edc639586..902715464 100644
--- a/packages/docs/package-lock.json
+++ b/packages/docs/package-lock.json
@@ -1,201 +1,435 @@
 {
-	"name": "docs",
-	"version": "1.0.0",
-	"lockfileVersion": 1,
-	"requires": true,
-	"dependencies": {
-		"@danmarshall/jscad-typings": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
-			"integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g==",
-			"dev": true
-		},
-		"@types/bezier-js": {
-			"version": "0.0.7",
-			"resolved": "https://registry.npmjs.org/@types/bezier-js/-/bezier-js-0.0.7.tgz",
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+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    }
+  },
+  "dependencies": {
+    "@danmarshall/jscad-typings": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
+      "integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g==",
+      "dev": true
+    },
+    "@types/bezier-js": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/@types/bezier-js/-/bezier-js-0.0.7.tgz",
+      "integrity": "sha512-N+/UZFYVp9ka8Xby7hZSHsXqKm6FJIXK/+BRH0BpEfb18aVTtRBPzGIQfDRexAZPYgtWupqP6afapmYYKjvWoQ==",
+      "dev": true
+    },
+    "@types/graham_scan": {
+      "version": "1.0.28",
+      "resolved": "https://registry.npmjs.org/@types/graham_scan/-/graham_scan-1.0.28.tgz",
+      "integrity": "sha1-dC6BZzZeViorca51Ov4jXqpP7ew=",
+      "dev": true
+    },
+    "@types/node": {
+      "version": "14.14.20",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.20.tgz",
+      "integrity": "sha512-Y93R97Ouif9JEOWPIUyU+eyIdyRqQR0I8Ez1dzku4hDx34NWh4HbtIc3WNzwB1Y9ULvNGeu5B8h8bVL5cAk4/A==",
+      "dev": true
+    },
+    "@types/opentype.js": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/@types/opentype.js/-/opentype.js-0.7.2.tgz",
+      "integrity": "sha512-Riz6WyBUBEFs7YqSsJya3SbDHJZ6BmMkY7bzNoue6rtwj+RNilLc+mgOX/eJ0Y0asq16FSU6DatBeOg8ZMy2UQ==",
+      "dev": true
+    },
+    "@types/pdfkit": {
+      "version": "0.7.36",
+      "resolved": "https://registry.npmjs.org/@types/pdfkit/-/pdfkit-0.7.36.tgz",
+      "integrity": "sha512-9eRA6MuW+n78yU3HhoIrDxjyAX2++B5MpLDYqHOnaRTquCw+5sYXT+QN8E1eSaxvNUwlRfU3tOm4UzTeGWmBqg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "requires": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "dxf-parser-typings": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/dxf-parser-typings/-/dxf-parser-typings-1.3.0.tgz",
+      "integrity": "sha512-ctHwtmHYPNLOHh7Wd8VAjB5Sn+NUJvyLWcJHM33JvdbSmzSbhacAC1Fd5FELyW3M0Pb7/ImVpGdWVk4sg3IDhw==",
+      "dev": true,
+      "requires": {
+        "indefinitely-typed": "^1.0.2"
+      }
+    },
+    "fs-extra": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+      "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      }
+    },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "glob": {
+      "version": "7.1.6",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+      "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+      "dev": true,
+      "requires": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.0.4",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
+      }
+    },
+    "graceful-fs": {
+      "version": "4.2.4",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
+      "integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==",
+      "dev": true
+    },
+    "indefinitely-typed": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/indefinitely-typed/-/indefinitely-typed-1.1.0.tgz",
+      "integrity": "sha512-giaI0hCj+wWZIZZLsmWHI+LrM4Hwc+rEZ/VrgCafKePcnE42fLnQTFt4xspqLin8fCjI5WnQr2fep/0EFqjaxw==",
+      "dev": true,
+      "requires": {
+        "fs-extra": "^7.0.0",
+        "minimist": "^1.2.5"
+      }
+    },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "^1.3.0",
+        "wrappy": "1"
+      }
+    },
+    "inherits": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+      "dev": true
+    },
+    "jsonfile": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+      "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
+    "minimatch": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "^1.1.7"
+      }
+    },
+    "minimist": {
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
+      "dev": true
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "rimraf": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+      "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+      "dev": true,
+      "requires": {
+        "glob": "^7.1.3"
+      }
+    },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+      "dev": true
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    }
+  }
 }
diff --git a/packages/maker.js/src/core/chain.ts b/packages/maker.js/src/core/chain.ts
index e17bc9fed..8242b9a33 100644
--- a/packages/maker.js/src/core/chain.ts
+++ b/packages/maker.js/src/core/chain.ts
@@ -612,7 +612,6 @@ namespace MakerJs.chain {
         var di = 0;
         var t = 0;
         var distanceArray: number[];
-        let breakLoop = false;
 
         if (Array.isArray(distanceOrDistances)) {
             distanceArray = distanceOrDistances as number[];
@@ -642,8 +641,8 @@ namespace MakerJs.chain {
                 result.push(chainPoint);
 
                 if (maxPoints && result.length >= maxPoints) { 
-                    breakLoop = true;
-                    break;
+                    if (callback) callback(result);
+                    return result.map(x => x.point);
                 }
 
                 var distance: number;
@@ -652,8 +651,8 @@ namespace MakerJs.chain {
                     di++;
 
                     if (di > distanceArray.length) {
-                        breakLoop;
-                        break;
+                        if (callback) callback(result);
+                        return result.map(x => x.point);
                     }
 
                 } else {
@@ -663,7 +662,6 @@ namespace MakerJs.chain {
                 t += distance;
             }
             t -= len;
-            if(breakLoop) break;
         }
 
         removeDuplicateEnds(chainContext.endless, result);
diff --git a/packages/maker.js/src/core/layout.ts b/packages/maker.js/src/core/layout.ts
index 03e2fd162..28985b381 100644
--- a/packages/maker.js/src/core/layout.ts
+++ b/packages/maker.js/src/core/layout.ts
@@ -213,7 +213,7 @@ namespace MakerJs.layout {
                 (chainPoints)=> {
                     for(let i = 0; i < chainPoints.length; i++)
                     {
-                        alongPathAngles.push(angle.ofPointInDegrees(chainPoints[i].endPoints[0], chainPoints[i].endPoints[0]));
+                        alongPathAngles.push(angle.ofPointInDegrees(chainPoints[i].endPoints[0], chainPoints[i].endPoints[1]));
                     }
             });
 
diff --git a/packages/playground/package-lock.json b/packages/playground/package-lock.json
index 34fb03c2e..7a6ea2bdd 100644
--- a/packages/playground/package-lock.json
+++ b/packages/playground/package-lock.json
@@ -12,20 +12,9 @@
         "@types/codemirror": "0.0.38",
         "@types/marked": "^0.0.28",
         "@types/node": "^7.0.5",
-        "@types/opentype.js": "^0.7.0",
-        "makerjs": "*"
+        "@types/opentype.js": "^0.7.0"
       }
     },
-    "node_modules/@danmarshall/jscad-typings": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
-      "integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g=="
-    },
-    "node_modules/@types/bezier-js": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/@types/bezier-js/-/bezier-js-0.0.6.tgz",
-      "integrity": "sha1-DZdtaBY8SVUzLveYohoLPWOB0Ss="
-    },
     "node_modules/@types/codemirror": {
       "version": "0.0.38",
       "resolved": "https://registry.npmjs.org/@types/codemirror/-/codemirror-0.0.38.tgz",
@@ -45,66 +34,9 @@
       "version": "0.7.2",
       "resolved": "https://registry.npmjs.org/@types/opentype.js/-/opentype.js-0.7.2.tgz",
       "integrity": "sha512-Riz6WyBUBEFs7YqSsJya3SbDHJZ6BmMkY7bzNoue6rtwj+RNilLc+mgOX/eJ0Y0asq16FSU6DatBeOg8ZMy2UQ=="
-    },
-    "node_modules/@types/pdfkit": {
-      "version": "0.7.36",
-      "resolved": "https://registry.npmjs.org/@types/pdfkit/-/pdfkit-0.7.36.tgz",
-      "integrity": "sha512-9eRA6MuW+n78yU3HhoIrDxjyAX2++B5MpLDYqHOnaRTquCw+5sYXT+QN8E1eSaxvNUwlRfU3tOm4UzTeGWmBqg==",
-      "dependencies": {
-        "@types/node": "*"
-      }
-    },
-    "node_modules/bezier-js": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/bezier-js/-/bezier-js-2.6.1.tgz",
-      "integrity": "sha512-jelZM33eNzcZ9snJ/5HqJLw3IzXvA8RFcBjkdOB8SDYyOvW8Y2tTosojAiBTnD1MhbHoWUYNbxUXxBl61TxbRg=="
-    },
-    "node_modules/clone": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
-      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4=",
-      "engines": {
-        "node": ">=0.8"
-      }
-    },
-    "node_modules/graham_scan": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/graham_scan/-/graham_scan-1.0.4.tgz",
-      "integrity": "sha1-OZZR3R+DU+GID1nqjl+Uud9Mkoo="
-    },
-    "node_modules/kdbush": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/kdbush/-/kdbush-2.0.1.tgz",
-      "integrity": "sha512-9KqSdmWCkBIisFIGclT0FRagKhI7IVbMyUjsxCFG0Ly1Dg6whlxJ7b9lrq8ifk3X/fGeJzok1R75LQfZTfA5zQ=="
-    },
-    "node_modules/makerjs": {
-      "version": "0.17.1",
-      "resolved": "https://registry.npmjs.org/makerjs/-/makerjs-0.17.1.tgz",
-      "integrity": "sha512-kUejVYsSaoz3DwLFknBR4JH9sKOUXUJJcc+cIna6MtnthdyRVtd1jfw1mTFKPg4n+kIWY1nij8jDN66o1dm8rg==",
-      "dependencies": {
-        "@danmarshall/jscad-typings": "^1.0.0",
-        "@types/bezier-js": "^0.0.6",
-        "@types/node": "^7.0.5",
-        "@types/opentype.js": "^0.7.0",
-        "@types/pdfkit": "^0.7.34",
-        "bezier-js": "^2.1.0",
-        "clone": "^1.0.2",
-        "graham_scan": "^1.0.4",
-        "kdbush": "^2.0.1"
-      }
     }
   },
   "dependencies": {
-    "@danmarshall/jscad-typings": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
-      "integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g=="
-    },
-    "@types/bezier-js": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/@types/bezier-js/-/bezier-js-0.0.6.tgz",
-      "integrity": "sha1-DZdtaBY8SVUzLveYohoLPWOB0Ss="
-    },
     "@types/codemirror": {
       "version": "0.0.38",
       "resolved": "https://registry.npmjs.org/@types/codemirror/-/codemirror-0.0.38.tgz",
@@ -124,50 +56,6 @@
       "version": "0.7.2",
       "resolved": "https://registry.npmjs.org/@types/opentype.js/-/opentype.js-0.7.2.tgz",
       "integrity": "sha512-Riz6WyBUBEFs7YqSsJya3SbDHJZ6BmMkY7bzNoue6rtwj+RNilLc+mgOX/eJ0Y0asq16FSU6DatBeOg8ZMy2UQ=="
-    },
-    "@types/pdfkit": {
-      "version": "0.7.36",
-      "resolved": "https://registry.npmjs.org/@types/pdfkit/-/pdfkit-0.7.36.tgz",
-      "integrity": "sha512-9eRA6MuW+n78yU3HhoIrDxjyAX2++B5MpLDYqHOnaRTquCw+5sYXT+QN8E1eSaxvNUwlRfU3tOm4UzTeGWmBqg==",
-      "requires": {
-        "@types/node": "*"
-      }
-    },
-    "bezier-js": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/bezier-js/-/bezier-js-2.6.1.tgz",
-      "integrity": "sha512-jelZM33eNzcZ9snJ/5HqJLw3IzXvA8RFcBjkdOB8SDYyOvW8Y2tTosojAiBTnD1MhbHoWUYNbxUXxBl61TxbRg=="
-    },
-    "clone": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
-      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
-    },
-    "graham_scan": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/graham_scan/-/graham_scan-1.0.4.tgz",
-      "integrity": "sha1-OZZR3R+DU+GID1nqjl+Uud9Mkoo="
-    },
-    "kdbush": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/kdbush/-/kdbush-2.0.1.tgz",
-      "integrity": "sha512-9KqSdmWCkBIisFIGclT0FRagKhI7IVbMyUjsxCFG0Ly1Dg6whlxJ7b9lrq8ifk3X/fGeJzok1R75LQfZTfA5zQ=="
-    },
-    "makerjs": {
-      "version": "0.17.1",
-      "resolved": "https://registry.npmjs.org/makerjs/-/makerjs-0.17.1.tgz",
-      "integrity": "sha512-kUejVYsSaoz3DwLFknBR4JH9sKOUXUJJcc+cIna6MtnthdyRVtd1jfw1mTFKPg4n+kIWY1nij8jDN66o1dm8rg==",
-      "requires": {
-        "@danmarshall/jscad-typings": "^1.0.0",
-        "@types/bezier-js": "^0.0.6",
-        "@types/node": "^7.0.5",
-        "@types/opentype.js": "^0.7.0",
-        "@types/pdfkit": "^0.7.34",
-        "bezier-js": "^2.1.0",
-        "clone": "^1.0.2",
-        "graham_scan": "^1.0.4",
-        "kdbush": "^2.0.1"
-      }
     }
   }
 }

From adf969b871e51665e8090870baa630cc2cc29611 Mon Sep 17 00:00:00 2001
From: Abhishek Chandel <>
Date: Mon, 10 Apr 2023 19:38:28 +0530
Subject: [PATCH 3/8] issue fix

---
 packages/maker.js/src/core/layout.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/maker.js/src/core/layout.ts b/packages/maker.js/src/core/layout.ts
index 28985b381..c3426f6f7 100644
--- a/packages/maker.js/src/core/layout.ts
+++ b/packages/maker.js/src/core/layout.ts
@@ -239,7 +239,7 @@ namespace MakerJs.layout {
 
         if (cpa.length > 1) {
             cpa.forEach((cp, i) => {
-                cp.angle = rotateAlongPath ? alongPathAngles[i] : angles[i];
+                cp.angle = rotateAlongPath ? alongPathAngles[i+1] : angles[i];
                 cp.origin = points[i];
             });
         } else {

From 957f805b5087d210eb23ae8102812e30c2fb83fd Mon Sep 17 00:00:00 2001
From: Abhishek Chandel <>
Date: Tue, 11 Apr 2023 12:08:44 +0530
Subject: [PATCH 4/8] reverted extra changes

---
 docs/demos/package-lock.json          |   1 +
 docs/target/js/browser.maker.js       | 122 ++-----
 packages/maker.js/package-lock.json   | 446 ++++++++------------------
 packages/playground/package-lock.json | 114 ++++++-
 4 files changed, 280 insertions(+), 403 deletions(-)

diff --git a/docs/demos/package-lock.json b/docs/demos/package-lock.json
index 0cc0f1701..3a796d7ee 100644
--- a/docs/demos/package-lock.json
+++ b/docs/demos/package-lock.json
@@ -33,6 +33,7 @@
         "@types/opentype.js": "^0.7.0",
         "detective": "^5.2.0",
         "highlight.js": "^11.5.1",
+        "makerjs": "*",
         "marked": "^4.0.14",
         "opentype.js": "^0.9.0"
       }
diff --git a/docs/target/js/browser.maker.js b/docs/target/js/browser.maker.js
index e9ec5f517..d3a56a937 100644
--- a/docs/target/js/browser.maker.js
+++ b/docs/target/js/browser.maker.js
@@ -6739,36 +6739,23 @@ var MakerJs;
         function removeDuplicateEnds(endless, points) {
             if (!endless || points.length < 2)
                 return;
-            if (MakerJs.measure.isPointEqual(points[0].point, points[points.length - 1].point, .00001)) {
+            if (MakerJs.measure.isPointEqual(points[0], points[points.length - 1], .00001)) {
                 points.pop();
             }
         }
-        function toPoints(chainContext, distanceOrDistances) {
-            var args = [];
-            for (var _i = 2; _i < arguments.length; _i++) {
-                args[_i - 2] = arguments[_i];
-            }
-            var maxPoints;
-            var callback;
-            switch (args.length) {
-                case 1:
-                    if (typeof args[0] === 'function') {
-                        callback = args[0];
-                    }
-                    else {
-                        maxPoints = args[0];
-                    }
-                    break;
-                case 2:
-                    callback = args[0];
-                    maxPoints = args[1];
-                    break;
-            }
+        /**
+         * Get points along a chain of paths.
+         *
+         * @param chainContext Chain of paths to get points from.
+         * @param distance Numeric distance along the chain between points, or numeric array of distances along the chain between each point.
+         * @param maxPoints Maximum number of points to retrieve.
+         * @returns Array of points which are on the chain spread at a uniform interval.
+         */
+        function toPoints(chainContext, distanceOrDistances, maxPoints) {
             var result = [];
             var di = 0;
             var t = 0;
             var distanceArray;
-            var breakLoop = false;
             if (Array.isArray(distanceOrDistances)) {
                 distanceArray = distanceOrDistances;
             }
@@ -6781,29 +6768,15 @@ var MakerJs;
                     if (link.reversed) {
                         r = 1 - r;
                     }
-                    var chainPoint = {
-                        point: MakerJs.point.add(MakerJs.point.middle(wp.pathContext, r), wp.offset),
-                        pathContext: wp.pathContext,
-                        modelContext: wp.modelContext,
-                        pathId: wp.pathId,
-                        layer: wp.layer,
-                        offset: wp.offset,
-                        route: wp.route,
-                        routeKey: wp.routeKey,
-                        endPoints: link.endPoints
-                    };
-                    result.push(chainPoint);
-                    if (maxPoints && result.length >= maxPoints) {
-                        breakLoop = true;
-                        break;
-                    }
+                    result.push(MakerJs.point.add(MakerJs.point.middle(wp.pathContext, r), wp.offset));
+                    if (maxPoints && result.length >= maxPoints)
+                        return result;
                     var distance;
                     if (distanceArray) {
                         distance = distanceArray[di];
                         di++;
                         if (di > distanceArray.length) {
-                            breakLoop;
-                            break;
+                            return result;
                         }
                     }
                     else {
@@ -6812,36 +6785,19 @@ var MakerJs;
                     t += distance;
                 }
                 t -= len;
-                if (breakLoop)
-                    break;
             }
             removeDuplicateEnds(chainContext.endless, result);
-            if (callback)
-                callback(result);
-            return result.map(function (x) { return x.point; });
+            return result;
         }
         chain.toPoints = toPoints;
-        function toKeyPoints(chainContext) {
-            var args = [];
-            for (var _i = 1; _i < arguments.length; _i++) {
-                args[_i - 1] = arguments[_i];
-            }
-            var maxArcFacet;
-            var callback;
-            switch (args.length) {
-                case 1:
-                    if (typeof args[0] === 'function') {
-                        callback = args[0];
-                    }
-                    else {
-                        maxArcFacet = args[0];
-                    }
-                    break;
-                case 2:
-                    callback = args[0];
-                    maxArcFacet = args[1];
-                    break;
-            }
+        /**
+         * Get key points (a minimal a number of points) along a chain of paths.
+         *
+         * @param chainContext Chain of paths to get points from.
+         * @param maxArcFacet The maximum length between points on an arc or circle.
+         * @returns Array of points which are on the chain.
+         */
+        function toKeyPoints(chainContext, maxArcFacet) {
             var result = [];
             for (var i = 0; i < chainContext.links.length; i++) {
                 var link = chainContext.links[i];
@@ -6855,26 +6811,11 @@ var MakerJs;
                         keyPoints.shift();
                     }
                     var offsetPathPoints = keyPoints.map(function (p) { return MakerJs.point.add(p, wp.offset); });
-                    var chainPoints = offsetPathPoints.map(function (p) {
-                        return {
-                            point: p,
-                            pathContext: wp.pathContext,
-                            modelContext: wp.modelContext,
-                            pathId: wp.pathId,
-                            layer: wp.layer,
-                            offset: wp.offset,
-                            route: wp.route,
-                            routeKey: wp.routeKey,
-                            endPoints: link.endPoints
-                        };
-                    });
-                    result.push.apply(result, chainPoints);
+                    result.push.apply(result, offsetPathPoints);
                 }
             }
             removeDuplicateEnds(chainContext.endless, result);
-            if (callback)
-                callback(result);
-            return result.map(function (x) { return x.point; });
+            return result;
         }
         chain.toKeyPoints = toKeyPoints;
     })(chain = MakerJs.chain || (MakerJs.chain = {}));
@@ -8566,15 +8507,13 @@ var MakerJs;
          * @param reversed Flag to travel along the chain in reverse. Default is false.
          * @param contain Flag to contain the children layout within the length of the chain. Default is false.
          * @param rotate Flag to rotate the child to mitered angle. Default is true.
-         * @param rotateAlongPath Flag to rotate the child along the layout path. Default is false. Works only if rotate is set true.
          * @returns The parentModel, for cascading.
          */
-        function childrenOnChain(parentModel, onChain, baseline, reversed, contain, rotated, rotateAlongPath) {
+        function childrenOnChain(parentModel, onChain, baseline, reversed, contain, rotated) {
             if (baseline === void 0) { baseline = 0; }
             if (reversed === void 0) { reversed = false; }
             if (contain === void 0) { contain = false; }
             if (rotated === void 0) { rotated = true; }
-            if (rotateAlongPath === void 0) { rotateAlongPath = false; }
             var result = getChildPlacement(parentModel, baseline);
             var cpa = result.cpa;
             var chainLength = onChain.pathLength;
@@ -8593,13 +8532,8 @@ var MakerJs;
                 else {
                     relatives.shift();
                 }
-                var alongPathAngles = [];
                 //chain.toPoints always follows the chain in its order, from beginning to end. This is why we needed to contort the points input
-                points = MakerJs.chain.toPoints(onChain, relatives, function (chainPoints) {
-                    for (var i = 0; i < chainPoints.length; i++) {
-                        alongPathAngles.push(MakerJs.angle.ofPointInDegrees(chainPoints[i].endPoints[0], chainPoints[i].endPoints[0]));
-                    }
-                });
+                points = MakerJs.chain.toPoints(onChain, relatives);
                 if (points.length < cpa.length) {
                     //add last point of chain, since our distances exceeded the chain
                     var endLink = onChain.links[onChain.links.length - 1];
@@ -8620,7 +8554,7 @@ var MakerJs;
             var angles = miterAngles(points, -90);
             if (cpa.length > 1) {
                 cpa.forEach(function (cp, i) {
-                    cp.angle = rotateAlongPath ? alongPathAngles[i] : angles[i];
+                    cp.angle = angles[i];
                     cp.origin = points[i];
                 });
             }
diff --git a/packages/maker.js/package-lock.json b/packages/maker.js/package-lock.json
index 0b0329d1a..bdf605020 100644
--- a/packages/maker.js/package-lock.json
+++ b/packages/maker.js/package-lock.json
@@ -1,310 +1,140 @@
 {
-  "name": "makerjs",
-  "version": "0.17.6",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "makerjs",
-      "version": "0.17.6",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@danmarshall/jscad-typings": "^1.0.0",
-        "@types/bezier-js": "^0.0.6",
-        "@types/node": "^7.0.5",
-        "@types/opentype.js": "^0.7.0",
-        "@types/pdfkit": "^0.7.34",
-        "bezier-js": "^2.1.0",
-        "clone": "^1.0.2",
-        "graham_scan": "^1.0.4",
-        "kdbush": "^2.0.1"
-      },
-      "devDependencies": {
-        "@jscad/csg": "^0.3.7",
-        "@jscad/stl-serializer": "^0.1.0",
-        "@types/graham_scan": "^1.0.28",
-        "dxf-parser-typings": "^1.3.0"
-      }
-    },
-    "node_modules/@danmarshall/jscad-typings": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
-      "integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g=="
-    },
-    "node_modules/@jscad/csg": {
-      "version": "0.3.8",
-      "resolved": "https://registry.npmjs.org/@jscad/csg/-/csg-0.3.8.tgz",
-      "integrity": "sha512-mWbJI7zVv+2aYUXrQkTrjiNQZ5HFEAhbNK3HObm3m6d2+k4OffIzFlqmEYKUp0xE+K8rokSOcrTIGBqfzlJR7A==",
-      "deprecated": "See @jscad/modeling",
-      "dev": true
-    },
-    "node_modules/@jscad/io-utils": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/@jscad/io-utils/-/io-utils-0.1.3.tgz",
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-      "integrity": "sha512-9KqSdmWCkBIisFIGclT0FRagKhI7IVbMyUjsxCFG0Ly1Dg6whlxJ7b9lrq8ifk3X/fGeJzok1R75LQfZTfA5zQ=="
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-      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
-      "dev": true
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-      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
-      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
-      "dev": true
-    }
-  }
+	"name": "makerjs",
+	"version": "0.17.6",
+	"lockfileVersion": 1,
+	"requires": true,
+	"dependencies": {
+		"@danmarshall/jscad-typings": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
+			"integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g=="
+		},
+		"@jscad/csg": {
+			"version": "0.3.8",
+			"resolved": "https://registry.npmjs.org/@jscad/csg/-/csg-0.3.8.tgz",
+			"integrity": "sha512-mWbJI7zVv+2aYUXrQkTrjiNQZ5HFEAhbNK3HObm3m6d2+k4OffIzFlqmEYKUp0xE+K8rokSOcrTIGBqfzlJR7A==",
+			"dev": true
+		},
+		"@jscad/io-utils": {
+			"version": "0.1.3",
+			"resolved": "https://registry.npmjs.org/@jscad/io-utils/-/io-utils-0.1.3.tgz",
+			"integrity": "sha512-aCVUZovewI4njtEJ1fvjhasqd8EHIzQaPb88MtFWf/ff1NdGOu/vRH3yGG8vu0NZektGEDCKp028g2nTBL7aFg==",
+			"dev": true
+		},
+		"@jscad/stl-serializer": {
+			"version": "0.1.3",
+			"resolved": "https://registry.npmjs.org/@jscad/stl-serializer/-/stl-serializer-0.1.3.tgz",
+			"integrity": "sha512-Zdrluf82TnBL6hHm28DfQGpjHHuN69XONH8SYwF0x3gnr5q+281erj+NRgH5odHYuxmetVNgoT5G1c654cIJag==",
+			"dev": true,
+			"requires": {
+				"@jscad/io-utils": "^0.1.3"
+			}
+		},
+		"@types/bezier-js": {
+			"version": "0.0.6",
+			"resolved": "https://registry.npmjs.org/@types/bezier-js/-/bezier-js-0.0.6.tgz",
+			"integrity": "sha1-DZdtaBY8SVUzLveYohoLPWOB0Ss="
+		},
+		"@types/graham_scan": {
+			"version": "1.0.28",
+			"resolved": "https://registry.npmjs.org/@types/graham_scan/-/graham_scan-1.0.28.tgz",
+			"integrity": "sha1-dC6BZzZeViorca51Ov4jXqpP7ew=",
+			"dev": true
+		},
+		"@types/node": {
+			"version": "7.10.14",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-7.10.14.tgz",
+			"integrity": "sha512-29GS75BE8asnTno3yB6ubOJOO0FboExEqNJy4bpz0GSmW/8wPTNL4h9h63c6s1uTrOopCmJYe/4yJLh5r92ZUA=="
+		},
+		"@types/opentype.js": {
+			"version": "0.7.2",
+			"resolved": "https://registry.npmjs.org/@types/opentype.js/-/opentype.js-0.7.2.tgz",
+			"integrity": "sha512-Riz6WyBUBEFs7YqSsJya3SbDHJZ6BmMkY7bzNoue6rtwj+RNilLc+mgOX/eJ0Y0asq16FSU6DatBeOg8ZMy2UQ=="
+		},
+		"@types/pdfkit": {
+			"version": "0.7.36",
+			"resolved": "https://registry.npmjs.org/@types/pdfkit/-/pdfkit-0.7.36.tgz",
+			"integrity": "sha512-9eRA6MuW+n78yU3HhoIrDxjyAX2++B5MpLDYqHOnaRTquCw+5sYXT+QN8E1eSaxvNUwlRfU3tOm4UzTeGWmBqg==",
+			"requires": {
+				"@types/node": "*"
+			}
+		},
+		"bezier-js": {
+			"version": "2.6.1",
+			"resolved": "https://registry.npmjs.org/bezier-js/-/bezier-js-2.6.1.tgz",
+			"integrity": "sha512-jelZM33eNzcZ9snJ/5HqJLw3IzXvA8RFcBjkdOB8SDYyOvW8Y2tTosojAiBTnD1MhbHoWUYNbxUXxBl61TxbRg=="
+		},
+		"clone": {
+			"version": "1.0.4",
+			"resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
+			"integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
+		},
+		"dxf-parser-typings": {
+			"version": "1.3.0",
+			"resolved": "https://registry.npmjs.org/dxf-parser-typings/-/dxf-parser-typings-1.3.0.tgz",
+			"integrity": "sha512-ctHwtmHYPNLOHh7Wd8VAjB5Sn+NUJvyLWcJHM33JvdbSmzSbhacAC1Fd5FELyW3M0Pb7/ImVpGdWVk4sg3IDhw==",
+			"dev": true,
+			"requires": {
+				"indefinitely-typed": "^1.0.2"
+			}
+		},
+		"fs-extra": {
+			"version": "7.0.1",
+			"resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+			"integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+			"dev": true,
+			"requires": {
+				"graceful-fs": "^4.1.2",
+				"jsonfile": "^4.0.0",
+				"universalify": "^0.1.0"
+			}
+		},
+		"graceful-fs": {
+			"version": "4.2.4",
+			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
+			"integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==",
+			"dev": true
+		},
+		"graham_scan": {
+			"version": "1.0.4",
+			"resolved": "https://registry.npmjs.org/graham_scan/-/graham_scan-1.0.4.tgz",
+			"integrity": "sha1-OZZR3R+DU+GID1nqjl+Uud9Mkoo="
+		},
+		"indefinitely-typed": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/indefinitely-typed/-/indefinitely-typed-1.1.0.tgz",
+			"integrity": "sha512-giaI0hCj+wWZIZZLsmWHI+LrM4Hwc+rEZ/VrgCafKePcnE42fLnQTFt4xspqLin8fCjI5WnQr2fep/0EFqjaxw==",
+			"dev": true,
+			"requires": {
+				"fs-extra": "^7.0.0",
+				"minimist": "^1.2.5"
+			}
+		},
+		"jsonfile": {
+			"version": "4.0.0",
+			"resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+			"integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+			"dev": true,
+			"requires": {
+				"graceful-fs": "^4.1.6"
+			}
+		},
+		"kdbush": {
+			"version": "2.0.1",
+			"resolved": "https://registry.npmjs.org/kdbush/-/kdbush-2.0.1.tgz",
+			"integrity": "sha512-9KqSdmWCkBIisFIGclT0FRagKhI7IVbMyUjsxCFG0Ly1Dg6whlxJ7b9lrq8ifk3X/fGeJzok1R75LQfZTfA5zQ=="
+		},
+		"minimist": {
+			"version": "1.2.6",
+			"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+			"integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
+			"dev": true
+		},
+		"universalify": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+			"integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+			"dev": true
+		}
+	}
 }
diff --git a/packages/playground/package-lock.json b/packages/playground/package-lock.json
index 7a6ea2bdd..34fb03c2e 100644
--- a/packages/playground/package-lock.json
+++ b/packages/playground/package-lock.json
@@ -12,9 +12,20 @@
         "@types/codemirror": "0.0.38",
         "@types/marked": "^0.0.28",
         "@types/node": "^7.0.5",
-        "@types/opentype.js": "^0.7.0"
+        "@types/opentype.js": "^0.7.0",
+        "makerjs": "*"
       }
     },
+    "node_modules/@danmarshall/jscad-typings": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
+      "integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g=="
+    },
+    "node_modules/@types/bezier-js": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/@types/bezier-js/-/bezier-js-0.0.6.tgz",
+      "integrity": "sha1-DZdtaBY8SVUzLveYohoLPWOB0Ss="
+    },
     "node_modules/@types/codemirror": {
       "version": "0.0.38",
       "resolved": "https://registry.npmjs.org/@types/codemirror/-/codemirror-0.0.38.tgz",
@@ -34,9 +45,66 @@
       "version": "0.7.2",
       "resolved": "https://registry.npmjs.org/@types/opentype.js/-/opentype.js-0.7.2.tgz",
       "integrity": "sha512-Riz6WyBUBEFs7YqSsJya3SbDHJZ6BmMkY7bzNoue6rtwj+RNilLc+mgOX/eJ0Y0asq16FSU6DatBeOg8ZMy2UQ=="
+    },
+    "node_modules/@types/pdfkit": {
+      "version": "0.7.36",
+      "resolved": "https://registry.npmjs.org/@types/pdfkit/-/pdfkit-0.7.36.tgz",
+      "integrity": "sha512-9eRA6MuW+n78yU3HhoIrDxjyAX2++B5MpLDYqHOnaRTquCw+5sYXT+QN8E1eSaxvNUwlRfU3tOm4UzTeGWmBqg==",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
+    "node_modules/bezier-js": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/bezier-js/-/bezier-js-2.6.1.tgz",
+      "integrity": "sha512-jelZM33eNzcZ9snJ/5HqJLw3IzXvA8RFcBjkdOB8SDYyOvW8Y2tTosojAiBTnD1MhbHoWUYNbxUXxBl61TxbRg=="
+    },
+    "node_modules/clone": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
+      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4=",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/graham_scan": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/graham_scan/-/graham_scan-1.0.4.tgz",
+      "integrity": "sha1-OZZR3R+DU+GID1nqjl+Uud9Mkoo="
+    },
+    "node_modules/kdbush": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/kdbush/-/kdbush-2.0.1.tgz",
+      "integrity": "sha512-9KqSdmWCkBIisFIGclT0FRagKhI7IVbMyUjsxCFG0Ly1Dg6whlxJ7b9lrq8ifk3X/fGeJzok1R75LQfZTfA5zQ=="
+    },
+    "node_modules/makerjs": {
+      "version": "0.17.1",
+      "resolved": "https://registry.npmjs.org/makerjs/-/makerjs-0.17.1.tgz",
+      "integrity": "sha512-kUejVYsSaoz3DwLFknBR4JH9sKOUXUJJcc+cIna6MtnthdyRVtd1jfw1mTFKPg4n+kIWY1nij8jDN66o1dm8rg==",
+      "dependencies": {
+        "@danmarshall/jscad-typings": "^1.0.0",
+        "@types/bezier-js": "^0.0.6",
+        "@types/node": "^7.0.5",
+        "@types/opentype.js": "^0.7.0",
+        "@types/pdfkit": "^0.7.34",
+        "bezier-js": "^2.1.0",
+        "clone": "^1.0.2",
+        "graham_scan": "^1.0.4",
+        "kdbush": "^2.0.1"
+      }
     }
   },
   "dependencies": {
+    "@danmarshall/jscad-typings": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
+      "integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g=="
+    },
+    "@types/bezier-js": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/@types/bezier-js/-/bezier-js-0.0.6.tgz",
+      "integrity": "sha1-DZdtaBY8SVUzLveYohoLPWOB0Ss="
+    },
     "@types/codemirror": {
       "version": "0.0.38",
       "resolved": "https://registry.npmjs.org/@types/codemirror/-/codemirror-0.0.38.tgz",
@@ -56,6 +124,50 @@
       "version": "0.7.2",
       "resolved": "https://registry.npmjs.org/@types/opentype.js/-/opentype.js-0.7.2.tgz",
       "integrity": "sha512-Riz6WyBUBEFs7YqSsJya3SbDHJZ6BmMkY7bzNoue6rtwj+RNilLc+mgOX/eJ0Y0asq16FSU6DatBeOg8ZMy2UQ=="
+    },
+    "@types/pdfkit": {
+      "version": "0.7.36",
+      "resolved": "https://registry.npmjs.org/@types/pdfkit/-/pdfkit-0.7.36.tgz",
+      "integrity": "sha512-9eRA6MuW+n78yU3HhoIrDxjyAX2++B5MpLDYqHOnaRTquCw+5sYXT+QN8E1eSaxvNUwlRfU3tOm4UzTeGWmBqg==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "bezier-js": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/bezier-js/-/bezier-js-2.6.1.tgz",
+      "integrity": "sha512-jelZM33eNzcZ9snJ/5HqJLw3IzXvA8RFcBjkdOB8SDYyOvW8Y2tTosojAiBTnD1MhbHoWUYNbxUXxBl61TxbRg=="
+    },
+    "clone": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
+      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
+    },
+    "graham_scan": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/graham_scan/-/graham_scan-1.0.4.tgz",
+      "integrity": "sha1-OZZR3R+DU+GID1nqjl+Uud9Mkoo="
+    },
+    "kdbush": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/kdbush/-/kdbush-2.0.1.tgz",
+      "integrity": "sha512-9KqSdmWCkBIisFIGclT0FRagKhI7IVbMyUjsxCFG0Ly1Dg6whlxJ7b9lrq8ifk3X/fGeJzok1R75LQfZTfA5zQ=="
+    },
+    "makerjs": {
+      "version": "0.17.1",
+      "resolved": "https://registry.npmjs.org/makerjs/-/makerjs-0.17.1.tgz",
+      "integrity": "sha512-kUejVYsSaoz3DwLFknBR4JH9sKOUXUJJcc+cIna6MtnthdyRVtd1jfw1mTFKPg4n+kIWY1nij8jDN66o1dm8rg==",
+      "requires": {
+        "@danmarshall/jscad-typings": "^1.0.0",
+        "@types/bezier-js": "^0.0.6",
+        "@types/node": "^7.0.5",
+        "@types/opentype.js": "^0.7.0",
+        "@types/pdfkit": "^0.7.34",
+        "bezier-js": "^2.1.0",
+        "clone": "^1.0.2",
+        "graham_scan": "^1.0.4",
+        "kdbush": "^2.0.1"
+      }
     }
   }
 }

From 82b7466dbfebf6d9cc48027101c4898e10676b2e Mon Sep 17 00:00:00 2001
From: Abhishek Chandel <>
Date: Tue, 11 Apr 2023 12:11:11 +0530
Subject: [PATCH 5/8] reverted docs package json

---
 packages/docs/package-lock.json | 632 ++++++++++----------------------
 1 file changed, 199 insertions(+), 433 deletions(-)

diff --git a/packages/docs/package-lock.json b/packages/docs/package-lock.json
index 902715464..edc639586 100644
--- a/packages/docs/package-lock.json
+++ b/packages/docs/package-lock.json
@@ -1,435 +1,201 @@
 {
-  "name": "docs",
-  "version": "1.0.0",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "docs",
-      "version": "1.0.0",
-      "license": "Apache-2.0",
-      "devDependencies": {
-        "@danmarshall/jscad-typings": "^1.0.0",
-        "@types/bezier-js": "0.0.7",
-        "@types/graham_scan": "^1.0.28",
-        "@types/opentype.js": "^0.7.0",
-        "@types/pdfkit": "^0.7.36",
-        "dxf-parser-typings": "^1.3.0",
-        "rimraf": "^2.6.2"
-      }
-    },
-    "node_modules/@danmarshall/jscad-typings": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@danmarshall/jscad-typings/-/jscad-typings-1.0.0.tgz",
-      "integrity": "sha512-MGGIGDItK2UQSsz7yTrXErQXDAFXR3UPxyQ7WZ5RHOwnv60CBXjmkJlXYMYPkSvo+7fUuQL2/ODcvECtc/fi9g==",
-      "dev": true
-    },
-    "node_modules/@types/bezier-js": {
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+			"version": "1.0.28",
+			"resolved": "https://registry.npmjs.org/@types/graham_scan/-/graham_scan-1.0.28.tgz",
+			"integrity": "sha1-dC6BZzZeViorca51Ov4jXqpP7ew=",
+			"dev": true
+		},
+		"@types/node": {
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+			"dev": true
+		},
+		"@types/opentype.js": {
+			"version": "0.7.2",
+			"resolved": "https://registry.npmjs.org/@types/opentype.js/-/opentype.js-0.7.2.tgz",
+			"integrity": "sha512-Riz6WyBUBEFs7YqSsJya3SbDHJZ6BmMkY7bzNoue6rtwj+RNilLc+mgOX/eJ0Y0asq16FSU6DatBeOg8ZMy2UQ==",
+			"dev": true
+		},
+		"@types/pdfkit": {
+			"version": "0.7.36",
+			"resolved": "https://registry.npmjs.org/@types/pdfkit/-/pdfkit-0.7.36.tgz",
+			"integrity": "sha512-9eRA6MuW+n78yU3HhoIrDxjyAX2++B5MpLDYqHOnaRTquCw+5sYXT+QN8E1eSaxvNUwlRfU3tOm4UzTeGWmBqg==",
+			"dev": true,
+			"requires": {
+				"@types/node": "*"
+			}
+		},
+		"balanced-match": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+			"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+			"dev": true
+		},
+		"brace-expansion": {
+			"version": "1.1.11",
+			"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+			"dev": true,
+			"requires": {
+				"balanced-match": "^1.0.0",
+				"concat-map": "0.0.1"
+			}
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+		"concat-map": {
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+			"resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+			"integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+			"dev": true
+		},
+		"dxf-parser-typings": {
+			"version": "1.3.0",
+			"resolved": "https://registry.npmjs.org/dxf-parser-typings/-/dxf-parser-typings-1.3.0.tgz",
+			"integrity": "sha512-ctHwtmHYPNLOHh7Wd8VAjB5Sn+NUJvyLWcJHM33JvdbSmzSbhacAC1Fd5FELyW3M0Pb7/ImVpGdWVk4sg3IDhw==",
+			"dev": true,
+			"requires": {
+				"indefinitely-typed": "^1.0.2"
+			}
+		},
+		"fs-extra": {
+			"version": "7.0.1",
+			"resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+			"integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+			"dev": true,
+			"requires": {
+				"graceful-fs": "^4.1.2",
+				"jsonfile": "^4.0.0",
+				"universalify": "^0.1.0"
+			}
+		},
+		"fs.realpath": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+			"integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+			"dev": true
+		},
+		"glob": {
+			"version": "7.1.6",
+			"resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+			"integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+			"dev": true,
+			"requires": {
+				"fs.realpath": "^1.0.0",
+				"inflight": "^1.0.4",
+				"inherits": "2",
+				"minimatch": "^3.0.4",
+				"once": "^1.3.0",
+				"path-is-absolute": "^1.0.0"
+			}
+		},
+		"graceful-fs": {
+			"version": "4.2.4",
+			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
+			"integrity": "sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==",
+			"dev": true
+		},
+		"indefinitely-typed": {
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/indefinitely-typed/-/indefinitely-typed-1.1.0.tgz",
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+			"dev": true,
+			"requires": {
+				"fs-extra": "^7.0.0",
+				"minimist": "^1.2.5"
+			}
+		},
+		"inflight": {
+			"version": "1.0.6",
+			"resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+			"integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+			"dev": true,
+			"requires": {
+				"once": "^1.3.0",
+				"wrappy": "1"
+			}
+		},
+		"inherits": {
+			"version": "2.0.4",
+			"resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+			"integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+			"dev": true
+		},
+		"jsonfile": {
+			"version": "4.0.0",
+			"resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
+			"integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
+			"dev": true,
+			"requires": {
+				"graceful-fs": "^4.1.6"
+			}
+		},
+		"minimatch": {
+			"version": "3.1.2",
+			"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+			"integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+			"dev": true,
+			"requires": {
+				"brace-expansion": "^1.1.7"
+			}
+		},
+		"minimist": {
+			"version": "1.2.6",
+			"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+			"integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
+			"dev": true
+		},
+		"once": {
+			"version": "1.4.0",
+			"resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+			"integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+			"dev": true,
+			"requires": {
+				"wrappy": "1"
+			}
+		},
+		"path-is-absolute": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+			"integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+			"dev": true
+		},
+		"rimraf": {
+			"version": "2.7.1",
+			"resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+			"integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+			"dev": true,
+			"requires": {
+				"glob": "^7.1.3"
+			}
+		},
+		"universalify": {
+			"version": "0.1.2",
+			"resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+			"integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+			"dev": true
+		},
+		"wrappy": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+			"dev": true
+		}
+	}
 }

From bea9bc78c70a7922aaf63bc9400d525586b782db Mon Sep 17 00:00:00 2001
From: Abhishek Chandel <abhishek.chandel@nagarro.com>
Date: Fri, 21 Apr 2023 17:28:56 +0530
Subject: [PATCH 6/8] Review comments incorporated

---
 packages/maker.js/src/core/chain.ts  | 43 ++++++++++------------------
 packages/maker.js/src/core/layout.ts |  2 +-
 packages/maker.js/src/core/maker.ts  | 10 ++++---
 3 files changed, 22 insertions(+), 33 deletions(-)

diff --git a/packages/maker.js/src/core/chain.ts b/packages/maker.js/src/core/chain.ts
index 8242b9a33..ec9551aa3 100644
--- a/packages/maker.js/src/core/chain.ts
+++ b/packages/maker.js/src/core/chain.ts
@@ -560,9 +560,9 @@ namespace MakerJs.chain {
     /**
      * @private
      */
-    function removeDuplicateEnds(endless: boolean, points: IWalkChainPoints[]) {
+    function removeDuplicateEnds(endless: boolean, points: IChainLinkKeyPoint[]) {
         if (!endless || points.length < 2) return;
-        if (measure.isPointEqual(points[0].point, points[points.length - 1].point, .00001)) {
+        if (measure.isPointEqual(points[0].keyPoint, points[points.length - 1].keyPoint, .00001)) {
             points.pop();
         }
     }
@@ -608,7 +608,7 @@ namespace MakerJs.chain {
                 break;
         }
 
-        var result: IWalkChainPoints[] = [];
+        var result: IChainLinkKeyPoint[] = [];
         var di = 0;
         var t = 0;
         var distanceArray: number[];
@@ -627,22 +627,16 @@ namespace MakerJs.chain {
                 if (link.reversed) {
                     r = 1 - r;
                 }
-                let chainPoint: IWalkChainPoints = {
-                    point: point.add(point.middle(wp.pathContext, r), wp.offset),
-                    pathContext: wp.pathContext,
-                    modelContext: wp.modelContext,
-                    pathId: wp.pathId,
-                    layer: wp.layer,
-                    offset: wp.offset,
-                    route: wp.route,
-                    routeKey: wp.routeKey,
-                    endPoints: link.endPoints
+                let chainPoint: IChainLinkKeyPoint = {
+                    keyPoint: point.add(point.middle(wp.pathContext, r), wp.offset),
+                    link: link,
+                    ratio: r
                 };
                 result.push(chainPoint);
 
                 if (maxPoints && result.length >= maxPoints) { 
                     if (callback) callback(result);
-                    return result.map(x => x.point);
+                    return result.map(x => x.keyPoint);
                 }
 
                 var distance: number;
@@ -652,7 +646,7 @@ namespace MakerJs.chain {
 
                     if (di > distanceArray.length) {
                         if (callback) callback(result);
-                        return result.map(x => x.point);
+                        return result.map(x => x.keyPoint);
                     }
 
                 } else {
@@ -666,7 +660,7 @@ namespace MakerJs.chain {
 
         removeDuplicateEnds(chainContext.endless, result);
         if (callback) callback(result);
-        return result.map(x => x.point);
+        return result.map(x => x.keyPoint);
     }
 
     /**
@@ -686,7 +680,7 @@ namespace MakerJs.chain {
      * @param callback Callback function when points are found.
      * @returns Array of points which are on the chain.
      */
-    export function toKeyPoints(chainContext: IChain, callback: IWalkChainPoints, maxArcFacet?: number): IPoint[];
+    export function toKeyPoints(chainContext: IChain, callback: IChainLinkKeyPoint, maxArcFacet?: number): IPoint[];
     export function toKeyPoints(chainContext: IChain, ... args: any): IPoint[] {
         var maxArcFacet: number;
         var callback: IChainPointsCallback;
@@ -704,7 +698,7 @@ namespace MakerJs.chain {
                 maxArcFacet = args[1];
                 break;
         }
-        var result: IWalkChainPoints[] = [];
+        var result: IChainLinkKeyPoint[] = [];
 
         for (var i = 0; i < chainContext.links.length; i++) {
             var link = chainContext.links[i];
@@ -722,15 +716,8 @@ namespace MakerJs.chain {
                 
                 var chainPoints = offsetPathPoints.map(p=> {
                     return {
-                        point: p,
-                        pathContext: wp.pathContext,
-                        modelContext: wp.modelContext,
-                        pathId: wp.pathId,
-                        layer: wp.layer,
-                        offset: wp.offset,
-                        route: wp.route,
-                        routeKey: wp.routeKey,
-                        endPoints: link.endPoints
+                        keyPoint: p,
+                        link: link
                     }
                 });
                 result.push.apply(result, chainPoints);
@@ -739,7 +726,7 @@ namespace MakerJs.chain {
 
         removeDuplicateEnds(chainContext.endless, result);
         if (callback) callback(result);
-        return result.map(x=> x.point);
+        return result.map(x=> x.keyPoint);
     }
 
 }
diff --git a/packages/maker.js/src/core/layout.ts b/packages/maker.js/src/core/layout.ts
index c3426f6f7..a6e4675c8 100644
--- a/packages/maker.js/src/core/layout.ts
+++ b/packages/maker.js/src/core/layout.ts
@@ -213,7 +213,7 @@ namespace MakerJs.layout {
                 (chainPoints)=> {
                     for(let i = 0; i < chainPoints.length; i++)
                     {
-                        alongPathAngles.push(angle.ofPointInDegrees(chainPoints[i].endPoints[0], chainPoints[i].endPoints[1]));
+                        alongPathAngles.push(angle.ofPointInDegrees(chainPoints[i].link.endPoints[0], chainPoints[i].link.endPoints[1]));
                     }
             });
 
diff --git a/packages/maker.js/src/core/maker.ts b/packages/maker.js/src/core/maker.ts
index 294c0c5e0..3f39027dd 100644
--- a/packages/maker.js/src/core/maker.ts
+++ b/packages/maker.js/src/core/maker.ts
@@ -784,10 +784,12 @@ namespace MakerJs {
 
     /**
      * A point reference in a path.
+     * Ratio is not available for toKeyPoints
      */
-    export interface IWalkChainPoints extends IWalkPath{
-        point: IPoint;
-        endPoints: IPoint[];
+    export interface IChainLinkKeyPoint{
+        keyPoint: IPoint;
+        link: IChainLink;
+        ratio: number | undefined;
     }
 
     /**
@@ -795,7 +797,7 @@ namespace MakerJs {
      */
     export interface IChainPointsCallback {
         
-        (chainPoints: IWalkChainPoints[]): void;
+        (chainPoints: IChainLinkKeyPoint[]): void;
     }
 
     /**

From dd3a39dd17ada567ae19e701c49a83c3514b132f Mon Sep 17 00:00:00 2001
From: Abhishek Chandel <abhishek.chandel@nagarro.com>
Date: Sat, 22 Apr 2023 18:40:00 +0530
Subject: [PATCH 7/8] revert changes for toKeyPoints

---
 packages/maker.js/src/core/chain.ts | 52 +++++++----------------------
 1 file changed, 12 insertions(+), 40 deletions(-)

diff --git a/packages/maker.js/src/core/chain.ts b/packages/maker.js/src/core/chain.ts
index ec9551aa3..bd61bc745 100644
--- a/packages/maker.js/src/core/chain.ts
+++ b/packages/maker.js/src/core/chain.ts
@@ -560,9 +560,15 @@ namespace MakerJs.chain {
     /**
      * @private
      */
-    function removeDuplicateEnds(endless: boolean, points: IChainLinkKeyPoint[]) {
+    function removeDuplicateEnds(endless: boolean, points: IChainLinkKeyPoint[]);
+    function removeDuplicateEnds(endless: boolean, points: IPoint[]);
+    function removeDuplicateEnds(endless: boolean, points: (IPoint | IChainLinkKeyPoint)[]) {
         if (!endless || points.length < 2) return;
-        if (measure.isPointEqual(points[0].keyPoint, points[points.length - 1].keyPoint, .00001)) {
+        var firstPoint = points[0];
+        var lastPoint = points[points.length - 1];
+        var isPoint = Array.isArray(firstPoint);
+        if (isPoint ? measure.isPointEqual(firstPoint as IPoint, lastPoint as IPoint, .00001) : 
+        measure.isPointEqual((firstPoint as IChainLinkKeyPoint).keyPoint, (lastPoint as IChainLinkKeyPoint).keyPoint, .00001)) {
             points.pop();
         }
     }
@@ -670,35 +676,8 @@ namespace MakerJs.chain {
      * @param maxArcFacet The maximum length between points on an arc or circle.
      * @returns Array of points which are on the chain.
      */
-    export function toKeyPoints(chainContext: IChain, maxArcFacet?: number): IPoint[];
-
-    /**
-     * Get key points (a minimal a number of points) along a chain of paths.
-     * 
-     * @param chainContext Chain of paths to get points from.
-     * @param maxArcFacet The maximum length between points on an arc or circle.
-     * @param callback Callback function when points are found.
-     * @returns Array of points which are on the chain.
-     */
-    export function toKeyPoints(chainContext: IChain, callback: IChainLinkKeyPoint, maxArcFacet?: number): IPoint[];
-    export function toKeyPoints(chainContext: IChain, ... args: any): IPoint[] {
-        var maxArcFacet: number;
-        var callback: IChainPointsCallback;
-        switch (args.length) {
-            case 1:
-                if (typeof args[0] === 'function') {
-                    callback = args[0];
-                } else {
-                    maxArcFacet = args[0];
-                }
-                break;
-
-            case 2:
-                callback = args[0];
-                maxArcFacet = args[1];
-                break;
-        }
-        var result: IChainLinkKeyPoint[] = [];
+    export function toKeyPoints(chainContext: IChain, maxArcFacet?: number): IPoint[] {
+        var result: IPoint[] = [];
 
         for (var i = 0; i < chainContext.links.length; i++) {
             var link = chainContext.links[i];
@@ -714,19 +693,12 @@ namespace MakerJs.chain {
 
                 var offsetPathPoints = keyPoints.map(p => point.add(p, wp.offset));
                 
-                var chainPoints = offsetPathPoints.map(p=> {
-                    return {
-                        keyPoint: p,
-                        link: link
-                    }
-                });
-                result.push.apply(result, chainPoints);
+                result.push.apply(result, offsetPathPoints);
             }
         }
 
         removeDuplicateEnds(chainContext.endless, result);
-        if (callback) callback(result);
-        return result.map(x=> x.keyPoint);
+        return result;
     }
 
 }

From 1c772a5dc88cada77586ea7bfe5333d30e98ade0 Mon Sep 17 00:00:00 2001
From: Abhishek Chandel <>
Date: Sat, 22 Apr 2023 18:42:49 +0530
Subject: [PATCH 8/8] reverting comments

---
 packages/maker.js/src/core/maker.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/maker.js/src/core/maker.ts b/packages/maker.js/src/core/maker.ts
index 3f39027dd..481a187a5 100644
--- a/packages/maker.js/src/core/maker.ts
+++ b/packages/maker.js/src/core/maker.ts
@@ -784,7 +784,6 @@ namespace MakerJs {
 
     /**
      * A point reference in a path.
-     * Ratio is not available for toKeyPoints
      */
     export interface IChainLinkKeyPoint{
         keyPoint: IPoint;