Add namespace import instead of default import (#545)

.changeset/brave-humans-wonder.md

@@ -0,0 +1,5 @@
+---
+"aws-sdk-js-codemod": patch
+---
+
+Add namespace import instead of default import

src/transforms/v2-to-v3/__fixtures__/api-basic-type/global-import.output.ts

@@ -1,3 +1,3 @@
-import AWS_S3 from "@aws-sdk/client-s3";
+import * as AWS_S3 from "@aws-sdk/client-s3";
 
 const testTags: AWS_S3.Tag[] = [{ Key: "key", Value: "value" }];

src/transforms/v2-to-v3/__fixtures__/api-basic-type/service-import-deep.output.ts

@@ -1,3 +1,3 @@
-import AWS_S3 from "@aws-sdk/client-s3";
+import * as AWS_S3 from "@aws-sdk/client-s3";
 
 const testTags: AWS_S3.Tag[] = [{ Key: "key", Value: "value" }];

src/transforms/v2-to-v3/__fixtures__/api-basic-type/service-import.output.ts

@@ -1,3 +1,3 @@
-import AWS_S3 from "@aws-sdk/client-s3";
+import * as AWS_S3 from "@aws-sdk/client-s3";
 
 const testTags: AWS_S3.Tag[] = [{ Key: "key", Value: "value" }];

src/transforms/v2-to-v3/__fixtures__/api-input-output-type/global-import.output.ts

@@ -1,5 +1,14 @@
-import AWS_DynamoDB, { DynamoDB } from "@aws-sdk/client-dynamodb";
-import AWS_STS, { STS } from "@aws-sdk/client-sts";
+import * as AWS_DynamoDB from "@aws-sdk/client-dynamodb";
+
+const {
+  DynamoDB
+} = AWS_DynamoDB;
+
+import * as AWS_STS from "@aws-sdk/client-sts";
+
+const {
+  STS
+} = AWS_STS;
 
 const ddbClient = new DynamoDB({ region: "us-west-2" });
 const listTablesInput: AWS_DynamoDB.ListTablesCommandInput = { Limit: 10 };

src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import-deep.output.ts

@@ -1,5 +1,14 @@
-import AWS_DynamoDB, { DynamoDB } from "@aws-sdk/client-dynamodb";
-import AWS_STS, { STS } from "@aws-sdk/client-sts";
+import * as AWS_DynamoDB from "@aws-sdk/client-dynamodb";
+
+const {
+  DynamoDB
+} = AWS_DynamoDB;
+
+import * as AWS_STS from "@aws-sdk/client-sts";
+
+const {
+  STS
+} = AWS_STS;
 
 const ddbClient = new DynamoDB({ region: "us-west-2" });
 const listTablesInput: AWS_DynamoDB.ListTablesCommandInput = { Limit: 10 };

src/transforms/v2-to-v3/__fixtures__/api-input-output-type/service-import.output.ts

@@ -1,5 +1,14 @@
-import AWS_DynamoDB, { DynamoDB } from "@aws-sdk/client-dynamodb";
-import AWS_STS, { STS } from "@aws-sdk/client-sts";
+import * as AWS_DynamoDB from "@aws-sdk/client-dynamodb";
+
+const {
+  DynamoDB
+} = AWS_DynamoDB;
+
+import * as AWS_STS from "@aws-sdk/client-sts";
+
+const {
+  STS
+} = AWS_STS;
 
 const ddbClient = new DynamoDB({ region: "us-west-2" });
 const listTablesInput: AWS_DynamoDB.ListTablesCommandInput = { Limit: 10 };

src/transforms/v2-to-v3/__fixtures__/api-redundant-type/global-import.output.ts

@@ -1,6 +1,6 @@
-import AWS_APIGateway from "@aws-sdk/client-api-gateway";
-import AWS_DynamoDB from "@aws-sdk/client-dynamodb";
-import AWS_S3 from "@aws-sdk/client-s3";
+import * as AWS_APIGateway from "@aws-sdk/client-api-gateway";
+import * as AWS_DynamoDB from "@aws-sdk/client-dynamodb";
+import * as AWS_S3 from "@aws-sdk/client-s3";
 
 // Native types
 const stringType: string = "string";

src/transforms/v2-to-v3/__fixtures__/api-redundant-type/service-import-deep.output.ts

@@ -1,6 +1,6 @@
-import AWS_APIGateway from "@aws-sdk/client-api-gateway";
-import AWS_DynamoDB from "@aws-sdk/client-dynamodb";
-import AWS_S3 from "@aws-sdk/client-s3";
+import * as AWS_APIGateway from "@aws-sdk/client-api-gateway";
+import * as AWS_DynamoDB from "@aws-sdk/client-dynamodb";
+import * as AWS_S3 from "@aws-sdk/client-s3";
 
 // Native types
 const stringType: string = "string";

src/transforms/v2-to-v3/__fixtures__/api-redundant-type/service-import.output.ts

@@ -1,6 +1,6 @@
-import AWS_APIGateway from "@aws-sdk/client-api-gateway";
-import AWS_DynamoDB from "@aws-sdk/client-dynamodb";
-import AWS_S3 from "@aws-sdk/client-s3";
+import * as AWS_APIGateway from "@aws-sdk/client-api-gateway";
+import * as AWS_DynamoDB from "@aws-sdk/client-dynamodb";
+import * as AWS_S3 from "@aws-sdk/client-s3";
 
 // Native types
 const stringType: string = "string";

src/transforms/v2-to-v3/__fixtures__/ddb-doc-client-input-output-type/global-import.output.ts

@@ -1,4 +1,9 @@
-import AWS_DynamoDBDocumentClient, { DynamoDBDocument } from "@aws-sdk/lib-dynamodb";
+import * as AWS_DynamoDBDocumentClient from "@aws-sdk/lib-dynamodb";
+
+const {
+  DynamoDBDocument
+} = AWS_DynamoDBDocumentClient;
+
 import { DynamoDB } from "@aws-sdk/client-dynamodb";
 
 const docClient = DynamoDBDocument.from(new DynamoDB({ region: "us-west-2" }));

src/transforms/v2-to-v3/__fixtures__/ddb-doc-client-input-output-type/service-import-deep.output.ts

@@ -1,4 +1,9 @@
-import AWS_DynDBDocumentClient, { DynamoDBDocument } from "@aws-sdk/lib-dynamodb";
+import * as AWS_DynDBDocumentClient from "@aws-sdk/lib-dynamodb";
+
+const {
+  DynamoDBDocument
+} = AWS_DynDBDocumentClient;
+
 import { DynamoDB as DynDB } from "@aws-sdk/client-dynamodb";
 
 const docClient = DynamoDBDocument.from(new DynDB({ region: "us-west-2" }));

src/transforms/v2-to-v3/__fixtures__/ddb-doc-client-input-output-type/service-import.output.ts

@@ -1,4 +1,9 @@
-import AWS_DynDBDocumentClient, { DynamoDBDocument } from "@aws-sdk/lib-dynamodb";
+import * as AWS_DynDBDocumentClient from "@aws-sdk/lib-dynamodb";
+
+const {
+  DynamoDBDocument
+} = AWS_DynDBDocumentClient;
+
 import { DynamoDB as DynDB } from "@aws-sdk/client-dynamodb";
 
 const docClient = DynamoDBDocument.from(new DynDB({ region: "us-west-2" }));

src/transforms/v2-to-v3/modules/importModule/addClientDefaultModule.ts

@@ -11,7 +11,7 @@ export const addClientDefaultModule = (
   { v2ClientLocalName, v2ClientName, v3ClientPackageName }: ClientModulesOptions
 ) => {
   const defaultLocalName = getDefaultLocalName(v2ClientLocalName);
-  const defaultImportSpecifier = j.importDefaultSpecifier(j.identifier(defaultLocalName));
+  const importNamespaceSpecifier = j.importNamespaceSpecifier(j.identifier(defaultLocalName));
 
   const importDeclarations = source.find(j.ImportDeclaration, {
     source: { value: v3ClientPackageName },
@@ -23,7 +23,7 @@ export const addClientDefaultModule = (
 
   if (importDeclarations.length) {
     if (!importDefaultSpecifiers.find((specifier) => specifier?.local?.name === defaultLocalName)) {
-      importDeclarations.nodes()[0].specifiers?.push(defaultImportSpecifier);
+      importDeclarations.nodes()[0].specifiers?.push(importNamespaceSpecifier);
       return;
     }
   }
@@ -35,7 +35,7 @@ export const addClientDefaultModule = (
   });
 
   const v3ImportDeclaration = j.importDeclaration(
-    [defaultImportSpecifier],
+    [importNamespaceSpecifier],
     j.stringLiteral(v3ClientPackageName)
   );
 

src/transforms/v2-to-v3/modules/importModule/addClientNamedModule.ts

@@ -1,9 +1,19 @@
-import { Collection, ImportSpecifier, JSCodeshift } from "jscodeshift";
+import {
+  Collection,
+  ImportNamespaceSpecifier,
+  ImportSpecifier,
+  JSCodeshift,
+  Property,
+  ObjectProperty,
+} from "jscodeshift";
 
+import { OBJECT_PROPERTY_TYPE_LIST } from "../../config";
 import { getImportDeclaration } from "../getImportDeclaration";
 import { getImportSpecifier } from "../getImportSpecifier";
 import { getImportSpecifiers } from "../getImportSpecifiers";
+import { getRequireProperty } from "../getRequireProperty";
 import { importSpecifierCompareFn } from "../importSpecifierCompareFn";
+import { objectPatternPropertyCompareFn } from "../objectPatternPropertyCompareFn";
 import { ClientModulesOptions, ImportSpecifierOptions } from "../types";
 
 export const addClientNamedModule = (
@@ -19,19 +29,78 @@ export const addClientNamedModule = (
   });
 
   if (importDeclarations.size()) {
-    const allImportSpecifiers = getImportSpecifiers(j, source, v3ClientPackageName).filter(
-      (importSpecifier) => importSpecifier?.type === "ImportSpecifier"
-    ) as ImportSpecifier[];
+    const importSpecifiers = getImportSpecifiers(j, source, v3ClientPackageName);
 
+    // Return if the import specifier already exists.
     if (
-      allImportSpecifiers.find(
-        (specifier) =>
-          specifier?.imported?.name === importedName && specifier?.local?.name === localName
-      )
+      importSpecifiers
+        .filter((importSpecifier) => importSpecifier?.type === "ImportSpecifier")
+        .find(
+          (specifier) =>
+            (specifier as ImportSpecifier)?.imported?.name === importedName &&
+            specifier?.local?.name === localName
+        )
     ) {
       return;
     }
 
+    const importNamespaceSpecifiers = importSpecifiers.filter(
+      (importSpecifier) => importSpecifier?.type === "ImportNamespaceSpecifier"
+    ) as ImportNamespaceSpecifier[];
+
+    // If namespace import exists.
+    if (importNamespaceSpecifiers.length > 0) {
+      const defaultLocalName = importNamespaceSpecifiers[0].local!.name;
+      const namedImportObjectProperty = getRequireProperty(j, { importedName, localName });
+
+      const existingVarDeclarator = source.find(j.VariableDeclarator, {
+        type: "VariableDeclarator",
+        init: { type: "Identifier", name: defaultLocalName },
+      });
+
+      // If variable declarator exists.
+      if (existingVarDeclarator.size()) {
+        // Return if property exists.
+        if (
+          existingVarDeclarator.some((varDeclarator) => {
+            const id = varDeclarator.node.id;
+            if (id.type !== "ObjectPattern") return false;
+            for (const property of id.properties) {
+              if (!OBJECT_PROPERTY_TYPE_LIST.includes(property.type)) continue;
+              const propertyKey = (property as Property | ObjectProperty).key;
+              if (propertyKey.type !== "Identifier") continue;
+              if (propertyKey.name === importedName) return true;
+            }
+            return false;
+          })
+        )
+          return;
+
+        // Add property to the first declarator.
+        const firstDeclaratorProperties = existingVarDeclarator.get(0).node.id.properties;
+        firstDeclaratorProperties.push(namedImportObjectProperty);
+        firstDeclaratorProperties.sort(objectPatternPropertyCompareFn);
+        return;
+      }
+
+      const varDeclaration = j.variableDeclaration("const", [
+        j.variableDeclarator(
+          j.objectPattern([namedImportObjectProperty]),
+          j.identifier(defaultLocalName)
+        ),
+      ]);
+
+      source
+        .find(j.ImportDeclaration, {
+          type: "ImportDeclaration",
+          specifiers: [importNamespaceSpecifiers[0]],
+          source: { value: v3ClientPackageName },
+        })
+        .insertAfter(varDeclaration);
+      return;
+    }
+
+    // Add named import to the first import declaration.
     const firstImportDeclSpecifiers = importDeclarations.nodes()[0].specifiers;
     if (firstImportDeclSpecifiers) {
       firstImportDeclSpecifiers.push(getImportSpecifier(j, { importedName, localName }));