Convert isa method to an arrow function (#163)

trivikr · web-flow · commit acf0ed13cc69 · 2020-04-27T13:53:36.000-07:00
diff --git a/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/StructureGenerator.java b/smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/StructureGenerator.java
@@ -174,9 +174,9 @@ private void renderStructureNamespace() {
         writer.addImport("isa", "__isa", "@aws-sdk/smithy-client");
         Symbol symbol = symbolProvider.toSymbol(shape);
         writer.openBlock("export namespace $L {", "}", symbol.getName(), () -> {
-            writer.openBlock("export function isa(o: any): o is $L {", "}", symbol.getName(), () -> {
-                writer.write("return __isa(o, $S);", shape.getId().getName());
-            });
+            writer.write("export const isa = (o: any): o is $L => __isa(o, $S);",
+                symbol.getName(), shape.getId().getName()
+            );
         });
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -174,9 +174,9 @@ private void renderStructureNamespace() {`
`174`	`174`	`writer.addImport("isa", "__isa", "@aws-sdk/smithy-client");`
`175`	`175`	`Symbol symbol = symbolProvider.toSymbol(shape);`
`176`	`176`	`writer.openBlock("export namespace $L {", "}", symbol.getName(), () -> {`
`177`		`- writer.openBlock("export function isa(o: any): o is $L {", "}", symbol.getName(), () -> {`
`178`		`- writer.write("return __isa(o, $S);", shape.getId().getName());`
`179`		`- });`
	`177`	`+ writer.write("export const isa = (o: any): o is $L => __isa(o, $S);",`
	`178`	`+ symbol.getName(), shape.getId().getName()`
	`179`	`+ );`
`180`	`180`	`});`
`181`	`181`	`}`
`182`	`182`	`}`