Merge pull request #1986 from IgniteUI/boston-sample-vNext

zdrawku · web-flow · commit 58d493fd4886 · 2020-05-13T16:35:26.000+03:00
Use reduce instead of flat operator
diff --git a/projects/app-lob/src/app/grid/grid-boston-marathon/grid.component.ts b/projects/app-lob/src/app/grid/grid-boston-marathon/grid.component.ts
@@ -250,7 +250,7 @@ export class CustomSpeedSummary extends IgxNumberSummaryOperand {
     }
 
     public operate(data?: any[]): IgxSummaryResult[] {
-        data = (data as any).flat().map(rec => rec.Speed);
+        data = data.reduce((acc, val) => acc.concat(val), []).map(rec => rec.Speed);
         const result = [];
         result.push(
             {

Original file line number	Diff line number	Diff line change
`@@ -250,7 +250,7 @@ export class CustomSpeedSummary extends IgxNumberSummaryOperand {`
`250`	`250`	`}`
`251`	`251`
`252`	`252`	`public operate(data?: any[]): IgxSummaryResult[] {`
`253`		`- data = (data as any).flat().map(rec => rec.Speed);`
	`253`	`+ data = data.reduce((acc, val) => acc.concat(val), []).map(rec => rec.Speed);`
`254`	`254`	`const result = [];`
`255`	`255`	`result.push(`
`256`	`256`	`{`