keep RGBAtoInt as internal

Author: AjayThorve

modules/deck.gl/src/utils/series-color-utils.ts

@@ -67,7 +67,7 @@ export function RGBASeriestoIntSeries(r: Series<IndexType>|number,
  * @param rgba array of rgba value (a value is optional, default is 255)
  * @returns rgba 32 bit signed integer value
  */
-export function RGBAtoInt(rgba: number[]): number {
+function RGBAtoInt(rgba: number[]): number {
   rgba.forEach((value) => {
     if (value < 0 || value > 255) { throw new RangeError('rgba values expected within [0,255]'); }
   });

modules/deck.gl/test/deckgl-tests.ts

@@ -13,16 +13,9 @@
 // limitations under the License.
 
 import {Series, Uint32, Uint8} from '@rapidsai/cudf';
-import {mapValuesToColorSeries, RGBASeriestoIntSeries, RGBAtoInt} from '@rapidsai/deck.gl';
+import {mapValuesToColorSeries, RGBASeriestoIntSeries} from '@rapidsai/deck.gl';
 
 describe('DeckGL-color-utils', () => {
-  test('test RGBAtoInt', () => {
-    expect(RGBAtoInt([255, 255, 255, 255])).toEqual(4294967295);
-    expect(RGBAtoInt([167, 0, 125, 0])).toEqual(2801827072);
-    expect(RGBAtoInt([123, 123, 123, 125])).toEqual(2071690109);
-    expect(() => {RGBAtoInt([123, 123, 256, 125])}).toThrow(RangeError);
-  });
-
   test('test RGBASeriesToIntSeries', () => {
     const r    = Series.new({type: new Uint32, data: [255, 167, 123]});
     const g    = Series.new({type: new Uint32, data: [255, 0, 123]});