add eventstream-serde-browser dependency

Author: AllanZhengYP

smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/TypeScriptDependency.java

@@ -67,14 +67,15 @@ public enum TypeScriptDependency implements SymbolDependencyContainer {
     AWS_SDK_FETCH_HTTP_HANDLER("dependencies", "@aws-sdk/fetch-http-handler", "^1.0.0-alpha.1", false),
     AWS_SDK_NODE_HTTP_HANDLER("dependencies", "@aws-sdk/node-http-handler", "^1.0.0-alpha.1", false),
 
-    // Conditionally added if a big decimal shape is found in a model.
-    BIG_JS("dependencies", "big.js", "^5.2.2", false),
-    TYPES_BIG_JS("devDependencies", "@types/big.js", "^4.0.5", false),
-
     // Conditionally added if a event stream shape is found anywhere in the model
     AWS_SDK_EVENTSTREAM_SERDE_CONFIG_RESOLVER("dependencies", "@aws-sdk/eventstream-serde-config-resolver",
             "^1.0.0-alpha.0", false),
-    AWS_SDK_EVENTSTREAM_SERDE_NODE("dependencies", "@aws-sdk/eventstream-serde-node", "^1.0.0-alpha.0", false);
+    AWS_SDK_EVENTSTREAM_SERDE_NODE("dependencies", "@aws-sdk/eventstream-serde-node", "^1.0.0-alpha.0", false),
+    AWS_SDK_EVENTSTREAM_SERDE_BROWSER("dependencies", "@aws-sdk/eventstream-serde-browser", "^1.0.0-alpha.0", false),
+
+    // Conditionally added if a big decimal shape is found in a model.
+    BIG_JS("dependencies", "big.js", "^5.2.2", false),
+    TYPES_BIG_JS("devDependencies", "@types/big.js", "^4.0.5", false);
 
     public static final String NORMAL_DEPENDENCY = "dependencies";
     public static final String DEV_DEPENDENCY = "devDependencies";

smithy-typescript-codegen/src/main/java/software/amazon/smithy/typescript/codegen/integration/EventStreamGenerator.java

@@ -42,7 +42,7 @@ public List<RuntimeClientPlugin> getClientPlugins() {
                 RuntimeClientPlugin.builder()
                         .withConventions(
                                 TypeScriptDependency.AWS_SDK_EVENTSTREAM_SERDE_CONFIG_RESOLVER.dependency,
-                                "EventStream",
+                                "EventStreamSerde",
                                 RuntimeClientPlugin.Convention.HAS_CONFIG
                         )
                         .servicePredicate(EventStreamGenerator::hasEventStream)
@@ -92,14 +92,13 @@ public void addRuntimeConfigValues(
                 writer.write("eventStreamSerdeProvider");
                 break;
             case BROWSER:
+                writer.addDependency(TypeScriptDependency.AWS_SDK_EVENTSTREAM_SERDE_BROWSER);
                 writer.addImport(
-                        "invalidFunction",
-                        "invalidFunction",
-                        TypeScriptDependency.INVALID_DEPENDENCY.packageName
+                        "eventStreamSerdeProvider",
+                        "eventStreamSerdeProvider",
+                        TypeScriptDependency.AWS_SDK_EVENTSTREAM_SERDE_BROWSER.packageName
                 );
-                writer.openBlock("eventStreamSerdeProvider: invalidFunction(", ")", () -> {
-                    writer.write("\"event stream serde for browser is not available\"");
-                });
+                writer.write("eventStreamSerdeProvider");
                 break;
             default:
                 // do nothing
@@ -155,6 +154,9 @@ public static final boolean operationHasEventStreamOutput(
 
     /**
      * The value of event header 'type' property of given shape.
+     *
+     * @param shape shape bond to event header
+     * @return string literal for the event message header type
      */
     public static String getEventHeaderType(Shape shape) {
         switch (shape.getType()) {