diff --git a/src/components/client.ts b/src/components/client.ts
index 434a7c2c..f6dfe52c 100644
--- a/src/components/client.ts
+++ b/src/components/client.ts
@@ -16,6 +16,7 @@ import {
   PostMessageIframeTransport,
   WebSocketTransport,
   HTTPTransport,
+  Transport,
   Client,
   JSONRPCError
 } from "@open-rpc/client-js";
@@ -27,19 +28,20 @@ import { MethodCallValidator, MethodNotFoundError, parseOpenRPCDocument } from "
 
 export interface Options {
   transport: {
-    type: "websocket" | "http" | "https" | "postmessagewindow" | "postmessageiframe";
+    type: "websocket" | "http" | "https" | "postmessagewindow" | "postmessageiframe" | "injected";
     host: string;
     port: number;
     path?: string;
     protocol?: string;
+    injected: Transport;
   },
 }
 
 export class <%= className %> {
   public rpc: Client;
-  public static openrpcDocument: OpenRPC = <%= JSON.stringify(openrpcDocument) %>;
-public dereffedDocument: OpenRPC | undefined;
-  public transport: HTTPTransport | WebSocketTransport | PostMessageWindowTransport | PostMessageIframeTransport;
+  public dereffedDocument: OpenRPC | undefined;
+  public static openrpcDocument: OpenRPC = <%= JSON.stringify(openrpcDocument) %> ;
+  public transport: HTTPTransport | WebSocketTransport | PostMessageWindowTransport | PostMessageIframeTransport | Transport;
   private validator: MethodCallValidator | undefined;
   private timeout: number | undefined;
 
@@ -48,12 +50,21 @@ public dereffedDocument: OpenRPC | undefined;
     if (options.transport === undefined || options.transport.type === undefined) {
       throw new Error("Invalid constructor params");
     }
-    const {type, host, port, protocol} = options.transport;
+
+    const {type, host, port, protocol, injected} = options.transport;
+
+    if (type === "injected" && injected === undefined) {
+      throw new Error("Missing injected transport");
+    }
+
     let path = options.transport.path || "";
     if(path && path[0] !== "/") {
         path = "/" + path;
     }
     switch (type) {
+      case 'injected':
+        this.transport = injected;
+        break;
       case 'http':
       case 'https':
         this.transport = new HTTPTransport((protocol || type) + "://" + host + ":" + port + path);
@@ -198,7 +209,11 @@ const hooks: IHooks = {
   afterCopyStatic: [
     async (dest, frm, component): Promise<void> => {
       if (component.language === "typescript") {
-        return await move(path.join(dest, "_package.json"), path.join(dest, "package.json"), { overwrite: true });
+        return await move(
+          path.join(dest, "_package.json"),
+          path.join(dest, "package.json"),
+          { overwrite: true }
+        );
       }
     },
   ],
@@ -224,7 +239,7 @@ const hooks: IHooks = {
         const updatedCargo = TOML.stringify({
           ...cargoTOML,
           package: {
-            ...cargoTOML.package as any,
+            ...(cargoTOML.package as any),
             name: component.name,
             version: openrpcDocument.info.version,
           },
diff --git a/src/custom-test-component.js b/src/custom-test-component.js
index f68a9b7c..ca353ea8 100644
--- a/src/custom-test-component.js
+++ b/src/custom-test-component.js
@@ -1,13 +1,13 @@
 const path = require("path");
-const { move, readFile, writeFile } =require("fs-extra");
-const _ = require('lodash')
-const components = require("./components")
+const { move, readFile, writeFile } = require("fs-extra");
+const _ = require("lodash");
+const components = require("./components");
 const { getDefaultComponentTemplatePath } = components;
 
 const { template } = _;
 const tsTemplate = template(`
 // Code generated by @custom-test generator DO NOT EDIT.
-import { RequestManager, PostMessageWindowTransport, PostMessageIframeTransport, WebSocketTransport, HTTPTransport, Client, JSONRPCError } from "@open-rpc/client-js";
+import { RequestManager, PostMessageWindowTransport, PostMessageIframeTransport, WebSocketTransport, HTTPTransport, Transport, Client, JSONRPCError } from "@open-rpc/client-js";
 import _ from "lodash";
 import { OpenrpcDocument as OpenRPC, MethodObject, ContentDescriptorObject } from "@open-rpc/meta-schema";
 import { MethodCallValidator, MethodNotFoundError } from "@open-rpc/schema-utils-js";
@@ -16,18 +16,19 @@ import { MethodCallValidator, MethodNotFoundError } from "@open-rpc/schema-utils
 
 export interface Options {
   transport: {
-    type: "websocket" | "http" | "https" | "postmessagewindow" | "postmessageiframe";
+    type: "websocket" | "http" | "https" | "postmessagewindow" | "postmessageiframe" | "injected";
     host: string;
     port: number;
     path?: string;
     protocol?: string;
+    transport?: Transport;
   },
 }
 
 export class <%= className %> {
   public rpc: Client;
   public static openrpcDocument: OpenRPC = <%= JSON.stringify(openrpcDocument) %> ;
-  public transport: HTTPTransport | WebSocketTransport | PostMessageWindowTransport | PostMessageIframeTransport;
+  public transport: HTTPTransport | WebSocketTransport | PostMessageWindowTransport | PostMessageIframeTransport | Transport;
   private validator: MethodCallValidator;
   private timeout: number | undefined;
 
@@ -36,12 +37,22 @@ export class <%= className %> {
     if (options.transport === undefined || options.transport.type === undefined) {
       throw new Error("Invalid constructor params");
     }
-    const {type, host, port, protocol} = options.transport;
+    
+    const {type, host, port, protocol, injected} = options.transport;
+
+    if (type === "injected" && injected === undefined) {
+      throw new Error("Missing injected transport");
+    }
+
     let path = options.transport.path || "";
     if(path && path[0] !== "/") {
         path = "/" + path;
     }
+
     switch (type) {
+      case 'injected':
+        this.transport = injected
+        break;
       case 'http':
       case 'https':
         this.transport = new HTTPTransport((protocol || type) + "://" + host + ":" + port + path);
@@ -158,12 +169,15 @@ export class <%= className %> {
 export default <%= className %>;
 `);
 
-
 const hooks = {
   afterCopyStatic: [
     async (dest, frm, component) => {
       if (component.language === "typescript") {
-        return await move(path.join(dest, "_package.json"), path.join(dest, "package.json"), { overwrite: true });
+        return await move(
+          path.join(dest, "_package.json"),
+          path.join(dest, "package.json"),
+          { overwrite: true }
+        );
       }
     },
   ],
@@ -193,8 +207,7 @@ const hooks = {
   },
 };
 
-
 module.exports = {
   hooks,
-  staticPath: getDefaultComponentTemplatePath
-}
+  staticPath: getDefaultComponentTemplatePath,
+};
diff --git a/src/index.test.ts b/src/index.test.ts
index 5fdebcde..bb63c87d 100644
--- a/src/index.test.ts
+++ b/src/index.test.ts
@@ -4,7 +4,10 @@ import fsx, { emptyDir } from "fs-extra";
 import examples from "@open-rpc/examples";
 import { promisify } from "util";
 import { forEach } from "lodash";
-import { OpenRPCDocumentDereferencingError } from "@open-rpc/schema-utils-js";
+import {
+  parseOpenRPCDocument,
+  OpenRPCDocumentDereferencingError,
+} from "@open-rpc/schema-utils-js";
 import { OpenrpcDocument as OpenRPC } from "@open-rpc/meta-schema";
 
 const stat = promisify(fs.stat);
@@ -34,9 +37,7 @@ describe(`Examples to generate Js clients`, () => {
         methods: [
           {
             name: "foo",
-            params: [
-              { $ref: "#/components/contentDescriptors/LeFoo" },
-            ],
+            params: [{ $ref: "#/components/contentDescriptors/LeFoo" }],
             result: {
               name: "bar",
               schema: { $ref: "#/components/contentDescriptors/LeFoo" },
@@ -61,17 +62,18 @@ describe(`Examples to generate Js clients`, () => {
     };
     const genProm = clientGen(testDocument);
 
-    return expect(genProm).rejects.toBeInstanceOf(OpenRPCDocumentDereferencingError);
+    return expect(genProm).rejects.toBeInstanceOf(
+      OpenRPCDocumentDereferencingError
+    );
   });
 
-
   forEach(examples, (example: OpenRPC, exampleName: string) => {
     it(`rejects configurations without outDir or outPath`, async () => {
       const promGen = clientGen({
         openrpcDocument: example,
         components: [
           { type: "client", language: "typescript", name: "testclient-ts" },
-        ]
+        ],
       });
       expect(promGen).rejects.toBeInstanceOf(Error);
     });
@@ -88,13 +90,38 @@ describe(`Examples to generate Js clients`, () => {
           { type: "client", language: "typescript", name: "testclient-ts" },
           { type: "server", language: "typescript", name: "testserver-ts" },
           { type: "docs", language: "gatsby", name: "testserver-gatsby" },
-          { type: "custom", language: "typescript", name: "custom-stuff", "customComponent": "./src/custom-test-component.js", customType: "client" },
-          { type: "custom", language: "typescript", name: "custom-stuff2", "customComponent": "./src/custom-test-component.js", customType: "client", openRPCPath: null },
-          { type: "custom", language: "typescript", name: "custom-stuff3", "customComponent": "./src/custom-test-component.js", customType: "client", openRPCPath: "tmpz" },
           {
-            type: "custom", language: "typescript", name: "custom-stuff4", "customComponent": "./src/custom-test-component.js", customType: "client",
-            openRPCPath: "tmpy", outPath: `${exampleOutDir}/special`
-          }
+            type: "custom",
+            language: "typescript",
+            name: "custom-stuff",
+            customComponent: "./src/custom-test-component.js",
+            customType: "client",
+          },
+          {
+            type: "custom",
+            language: "typescript",
+            name: "custom-stuff2",
+            customComponent: "./src/custom-test-component.js",
+            customType: "client",
+            openRPCPath: null,
+          },
+          {
+            type: "custom",
+            language: "typescript",
+            name: "custom-stuff3",
+            customComponent: "./src/custom-test-component.js",
+            customType: "client",
+            openRPCPath: "tmpz",
+          },
+          {
+            type: "custom",
+            language: "typescript",
+            name: "custom-stuff4",
+            customComponent: "./src/custom-test-component.js",
+            customType: "client",
+            openRPCPath: "tmpy",
+            outPath: `${exampleOutDir}/special`,
+          },
         ],
       });
 
@@ -109,13 +136,38 @@ describe(`Examples to generate Js clients`, () => {
           { type: "client", language: "typescript", name: "testclient-ts" },
           { type: "server", language: "typescript", name: "testserver-ts" },
           { type: "docs", language: "gatsby", name: "testserver-gatsby" },
-          { type: "custom", language: "typescript", name: "custom-stuff", "customComponent": "./src/custom-test-component.js", customType: "client" },
-          { type: "custom", language: "typescript", name: "custom-stuff2", "customComponent": "./src/custom-test-component.js", customType: "client", openRPCPath: null },
-          { type: "custom", language: "typescript", name: "custom-stuff3", "customComponent": "./src/custom-test-component.js", customType: "client", openRPCPath: "tmpz" },
           {
-            type: "custom", language: "typescript", name: "custom-stuff4", "customComponent": "./src/custom-test-component.js", customType: "client",
-            openRPCPath: "tmpy", outPath: `${exampleOutDir}/special`
-          }
+            type: "custom",
+            language: "typescript",
+            name: "custom-stuff",
+            customComponent: "./src/custom-test-component.js",
+            customType: "client",
+          },
+          {
+            type: "custom",
+            language: "typescript",
+            name: "custom-stuff2",
+            customComponent: "./src/custom-test-component.js",
+            customType: "client",
+            openRPCPath: null,
+          },
+          {
+            type: "custom",
+            language: "typescript",
+            name: "custom-stuff3",
+            customComponent: "./src/custom-test-component.js",
+            customType: "client",
+            openRPCPath: "tmpz",
+          },
+          {
+            type: "custom",
+            language: "typescript",
+            name: "custom-stuff4",
+            customComponent: "./src/custom-test-component.js",
+            customType: "client",
+            openRPCPath: "tmpy",
+            outPath: `${exampleOutDir}/special`,
+          },
         ],
       });