Added bundle to messages

spec/Bundle.ts

@@ -1,4 +1,5 @@
 import { Stream } from "stream";
+import * as Messages from "../lib/messages";
 import { default as Bundle, filesSymbol } from "../lib/Bundle";
 
 describe("Bundle", () => {
@@ -59,7 +60,7 @@ describe("Bundle", () => {
 
 				expect(() =>
 					bundle.addBuffer("icon.png", Buffer.alloc(0)),
-				).toThrowError(Error, "Cannot add file. Bundle is closed.");
+				).toThrowError(Error, Messages.BUNDLE.CLOSED);
 			});
 		});
 

src/Bundle.ts

@@ -1,4 +1,5 @@
 import { Stream } from "stream";
+import * as Messages from "./messages";
 import { ZipFile } from "yazl";
 
 export const filesSymbol = Symbol("bundleFiles");
@@ -87,7 +88,7 @@ export default class Bundle {
 
 	public addBuffer(fileName: string, buffer: Buffer) {
 		if (this.isFrozen) {
-			throw new Error("Cannot add file. Bundle is closed.");
+			throw new Error(Messages.BUNDLE.CLOSED);
 		}
 
 		this[filesSymbol][fileName] = buffer;

src/messages.ts

@@ -73,6 +73,10 @@ export const MODELS = {
 	FILE_NO_OPEN: "Cannot open model file. %s",
 } as const;
 
+export const BUNDLE = {
+	CLOSED: "Cannot add file. Bundle is closed.",
+} as const;
+
 /**
  * Creates a message with replaced values
  * @param messageName