update scrapeConfig tests and remove default format api param

Author: mazen-r

__tests__/scrapeconfig.test.ts

@@ -194,6 +194,21 @@ describe('url param generation', () => {
             'screenshots[everything]': 'fullpage',
         });
     });
+    it('screenshot flags converted to params', () => {
+        const config = new ScrapeConfig({
+            url: 'http://httpbin.dev/get',
+            screenshots: { everything: 'fullpage' },
+            screenshot_flags: "load_images,dark_mode,block_banners,high_quality,print_media_format",
+            render_js: true,
+        });
+        expect(config.toApiParams({ key: '1234' })).toEqual({
+            key: '1234',
+            url: 'http://httpbin.dev/get',
+            'screenshots[everything]': 'fullpage',
+            screenshot_flags: "load_images,dark_mode,block_banners,high_quality,print_media_format",            
+            render_js: true,
+        });
+    });    
     it('asp enables', () => {
         const config = new ScrapeConfig({
             url: 'http://httpbin.dev/get',
@@ -238,6 +253,17 @@ describe('url param generation', () => {
             tags: 'foo,bar,gaz',
         });
     });
+    it('format set', () => {
+        const config = new ScrapeConfig({
+            url: 'http://httpbin.dev/get',
+            format: "markdown",
+        });
+        expect(config.toApiParams({ key: '1234' })).toEqual({
+            key: '1234',
+            url: 'http://httpbin.dev/get',
+            format: "markdown",
+        });
+    });    
     it('debug sets', () => {
         const config = new ScrapeConfig({
             url: 'http://httpbin.dev/get',

src/scrapeconfig.ts

@@ -24,7 +24,7 @@ export class ScrapeConfig {
     proxy_pool?: string = null;
     session?: string = null;
     tags: Set<string> = new Set<string>();
-    format?: 'json' | 'text' | 'markdown' | 'clean_html' | 'raw' = 'raw'; //unchanged
+    format?: string = null; // raw(unchanged)
     correlation_id?: string = null;
     cookies?: Rec<string> = null;
     body?: string = null;
@@ -62,7 +62,7 @@ export class ScrapeConfig {
         proxy_pool?: string;
         session?: string;
         tags?: Array<string>;
-        format?: 'json' | 'text' | 'markdown' | 'clean_html' | 'raw';
+        format?: string;
         correlation_id?: string;
         cookies?: Rec<string>;
         body?: string;