fix: initialize private properties. (#700)

* Fix typescript script errors for uninitialised private properties. Fixes #699 * Fix for default value for `_isEmpty`.
szimek · Feb 22, 2023 · fea7ec6 · fea7ec6
1 parent 2745955
commit fea7ec6
Show file tree

Hide file tree

Showing 3 changed files with 14 additions and 7 deletions.
diff --git a/docs/js/signature_pad.umd.js b/docs/js/signature_pad.umd.js
diff --git a/src/signature_pad.ts b/src/signature_pad.ts
@@ -62,12 +62,12 @@ export default class SignaturePad extends SignatureEventTarget {
   // Private stuff
   /* tslint:disable: variable-name */
   private _ctx: CanvasRenderingContext2D;
-  private _drawningStroke: boolean;
-  private _isEmpty: boolean;
-  private _lastPoints: Point[]; // Stores up to 4 most recent points; used to generate a new curve
-  private _data: PointGroup[]; // Stores all points in groups (one group per line or dot)
-  private _lastVelocity: number;
-  private _lastWidth: number;
+  private _drawningStroke = false;
+  private _isEmpty = true;
+  private _lastPoints: Point[] = []; // Stores up to 4 most recent points; used to generate a new curve
+  private _data: PointGroup[] = []; // Stores all points in groups (one group per line or dot)
+  private _lastVelocity = 0;
+  private _lastWidth = 0;
   private _strokeMoveUpdate: (event: SignatureEvent) => void;
   /* tslint:enable: variable-name */
 

diff --git a/tsconfig.json b/tsconfig.json
@@ -7,6 +7,7 @@
     "strictNullChecks": true,
     "strictFunctionTypes": true,
     "alwaysStrict": true,
+    "strict": true,
 
     "removeComments": true,
     "newLine": "LF",