some improvements to typings file

#27

Author: HackbrettXXX

types/index.d.ts

@@ -637,10 +637,10 @@ declare module "jspdf-yworks" {
  discardPath(): jsPDF;
  close(): jsPDF;
  stroke(): jsPDF;
- fill(pattern: PatternData): jsPDF;
- fillEvenOdd(pattern: PatternData): jsPDF;
- fillStroke(pattern: PatternData): jsPDF;
- fillStrokeEvenOdd(pattern: PatternData): jsPDF;
+ fill(pattern?: PatternData): jsPDF;
+ fillEvenOdd(pattern?: PatternData): jsPDF;
+ fillStroke(pattern?: PatternData): jsPDF;
+ fillStrokeEvenOdd(pattern?: PatternData): jsPDF;
  moveTo(x: number, y: number): jsPDF;
  lineTo(x: number, y: number): jsPDF;
  curveTo(
@@ -1187,6 +1187,9 @@ declare module "jspdf-yworks" {
  addShadingPattern(key: string, pattern: ShadingPattern): jsPDF;
  beginTilingPattern(pattern: TilingPattern): void;
  endTilingPattern(key: string, pattern: TilingPattern): void;
+
+ static API: jsPDFAPI;
+ static version: string;
  }
 
  export interface GState {
@@ -1251,10 +1254,5 @@ declare module "jspdf-yworks" {
  events: [];
  }
 
- namespace jsPDF {
- const API: jsPDFAPI;
- const version: string;
- }
-
  export default jsPDF;
 }