add types

src/Shape.ts

@@ -213,10 +213,16 @@ export class Shape<
     shapes[key] = this;
   }
 
+  /**
+   * @deprecated 
+   */
   getContext() {
     Util.warn('shape.getContext() method is deprecated. Please do not use it.');
     return this.getLayer()!.getContext();
   }
+  /**
+   * @deprecated 
+   */
   getCanvas() {
     Util.warn('shape.getCanvas() method is deprecated. Please do not use it.');
     return this.getLayer()!.getCanvas();
@@ -442,7 +448,7 @@ export class Shape<
    * @param {Number} point.y
    * @returns {Boolean}
    */
-  intersects(point) {
+  intersects(point: Vector2d) {
     const stage = this.getStage();
     if (!stage) {
       return false;
@@ -599,7 +605,7 @@ export class Shape<
       cachedCanvas = this._getCanvasCache(),
       drawFunc = this.getSceneFunc(),
       hasShadow = this.hasShadow();
-    let stage, bufferContext;
+    let stage;
 
     const skipBuffer = false;
     const cachingSelf = top === this;
@@ -627,7 +633,7 @@ export class Shape<
     if (this._useBufferCanvas() && !skipBuffer) {
       stage = this.getStage();
       const bc = bufferCanvas || stage.bufferCanvas;
-      bufferContext = bc.getContext();
+      const bufferContext = bc.getContext();
       bufferContext.clear();
       bufferContext.save();
       bufferContext._applyLineJoin(this);

src/shapes/Line.ts

@@ -6,7 +6,15 @@ import { getNumberArrayValidator, getNumberValidator } from '../Validators';
 import { Context } from '../Context';
 import { GetSet } from '../types';
 
-function getControlPoints(x0, y0, x1, y1, x2, y2, t) {
+function getControlPoints(
+  x0: number,
+  y0: number,
+  x1: number,
+  y1: number,
+  x2: number,
+  y2: number,
+  t: number
+) {
   const d01 = Math.sqrt(Math.pow(x1 - x0, 2) + Math.pow(y1 - y0, 2)),
     d12 = Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2)),
     fa = (t * d01) / (d01 + d12),

src/shapes/Path.ts

@@ -217,7 +217,7 @@ export class Path extends Shape<PathConfig> {
    * @example
    * var point = path.getPointAtLength(10);
    */
-  getPointAtLength(length) {
+  getPointAtLength(length: number) {
     return Path.getPointAtLengthOfDataArray(length, this.dataArray);
   }
 
@@ -370,26 +370,33 @@ export class Path extends Shape<PathConfig> {
     return { x: ix + adjustedRun, y: iy + adjustedRise };
   }
 
-  static getPointOnCubicBezier(pct, P1x, P1y, P2x, P2y, P3x, P3y, P4x, P4y) {
-    function CB1(t) {
+  static getPointOnCubicBezier(
+    pct: number,
+    P1x: number,
+    P1y: number,
+    P2x: number,
+    P2y: number,
+    P3x: number,
+    P3y: number,
+    P4x: number,
+    P4y: number
+  ) {
+    function CB1(t: number) {
       return t * t * t;
     }
-    function CB2(t) {
+    function CB2(t: number) {
       return 3 * t * t * (1 - t);
     }
-    function CB3(t) {
+    function CB3(t: number) {
       return 3 * t * (1 - t) * (1 - t);
     }
-    function CB4(t) {
+    function CB4(t: number) {
       return (1 - t) * (1 - t) * (1 - t);
     }
     const x = P4x * CB1(pct) + P3x * CB2(pct) + P2x * CB3(pct) + P1x * CB4(pct);
     const y = P4y * CB1(pct) + P3y * CB2(pct) + P2y * CB3(pct) + P1y * CB4(pct);
 
-    return {
-      x: x,
-      y: y,
-    };
+    return { x, y };
   }
   static getPointOnQuadraticBezier(pct, P1x, P1y, P2x, P2y, P3x, P3y) {
     function QB1(t) {
@@ -404,10 +411,7 @@ export class Path extends Shape<PathConfig> {
     const x = P3x * QB1(pct) + P2x * QB2(pct) + P1x * QB3(pct);
     const y = P3y * QB1(pct) + P2y * QB2(pct) + P1y * QB3(pct);
 
-    return {
-      x: x,
-      y: y,
-    };
+    return { x, y };
   }
   static getPointOnEllipticalArc(
     cx: number,