assign configs not defined in runtime config

Author: AllanZhengYP

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

@@ -188,7 +188,6 @@ void generate(LanguageTarget target) {
         delegator.useFileWriter(target.getTargetFilename(), writer -> {
             // Inject customizations into the ~template.
             writer.indent().onSection("customizations", original -> {
-                // writer.indent();
                 // Start with defaults, use a TreeMap for keeping entries sorted.
                 Map<String, Consumer<TypeScriptWriter>> configs =
                         new TreeMap<>(getDefaultRuntimeConfigs(target));

smithy-typescript-codegen/src/main/resources/software/amazon/smithy/typescript/codegen/runtimeConfig.browser.ts.template

@@ -8,6 +8,7 @@ export const getRuntimeConfig = (config: ${clientConfigName}) => {
   const clientSharedValues = getSharedRuntimeConfig(config);
   return {
     ...clientSharedValues,
+    ...config,
     runtime: "browser",
 ${customizations}
   };

smithy-typescript-codegen/src/main/resources/software/amazon/smithy/typescript/codegen/runtimeConfig.native.ts.template

@@ -8,6 +8,7 @@ export const getRuntimeConfig = (config: ${clientConfigName}) => {
   const browserDefaults = getBrowserRuntimeConfig(config);
   return {
     ...browserDefaults,
+    ...config,
     runtime: "react-native",
 ${customizations}
   };

smithy-typescript-codegen/src/main/resources/software/amazon/smithy/typescript/codegen/runtimeConfig.ts.template

@@ -8,6 +8,7 @@ export const getRuntimeConfig = (config: ${clientConfigName}) => {
   const clientSharedValues = getSharedRuntimeConfig(config);
   return {
     ...clientSharedValues,
+    ...config,
     runtime: "node",
 ${customizations}
   };