esm: fix jest not running

following 82ab0b963c

jest.config.js

@@ -1,4 +1,4 @@
-module.exports = {
+export default {
     globals: {
         'ts-jest': {
             tsconfig: 'tsconfig.test.json',
@@ -17,4 +17,5 @@ module.exports = {
     ],
     testEnvironment: 'node',
     testTimeout: 60000,
+    resolver: "jest-ts-webcompat-resolver",
 };

package.json

@@ -62,6 +62,8 @@
         "eslint-plugin-simple-import-sort": "^7.0.0",
         "eslint-plugin-svelte3": "^3.1.2",
         "jest": "^26.1.0",
+        "jest-resolve": "^26.6.2",
+        "jest-ts-webcompat-resolver": "^1.0.0",
         "maildev": "^1.1.0",
         "node-fetch": "^2.6.0",
         "nodemon": "^2.0.6",

src/Application.ts

@@ -18,7 +18,7 @@ import Extendable from "./Extendable.js";
 import {BadRequestError, HttpError, NotFoundHttpError, ServerError, ServiceUnavailableHttpError} from "./HttpError.js";
 import {logger, loggingContextMiddleware} from "./Logger.js";
 import SecurityError from "./SecurityError.js";
-import {Type} from "./Utils.js";
+import {doesFileExist, Type} from "./Utils.js";
 import WebSocketListener from "./WebSocketListener.js";
 import TemplateError = nunjucks.lib.TemplateError;
 
@@ -69,7 +69,7 @@ export default abstract class Application implements Extendable<ApplicationCompo
         this.busy = true;
 
         // Load core version
-        const file = this.isInNodeModules() ?
+        const file = await this.isInNodeModules() ?
             'node_modules/swaf/package.json' :
             'package.json';
 
@@ -378,8 +378,8 @@ export default abstract class Application implements Extendable<ApplicationCompo
         return module ? module as C : null;
     }
 
-    public isInNodeModules(): boolean {
-        return path.dirname(url.fileURLToPath(import.meta.url)).endsWith('/node_modules/swaf');
+    public async isInNodeModules(): Promise<boolean> {
+        return !await doesFileExist('node_modules/swaf');
     }
 
     public isReady(): boolean {

yarn.lock

@@ -4347,6 +4347,11 @@ jest-snapshot@^26.6.2:
     pretty-format "^26.6.2"
     semver "^7.3.2"
 
+jest-ts-webcompat-resolver@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/jest-ts-webcompat-resolver/-/jest-ts-webcompat-resolver-1.0.0.tgz#a554eb77446e1a8d2aabb810d6302bffaa00095c"
+  integrity sha512-BFoaU7LeYqZNnTYEr6iMRf87xdCQntNc/Wk8YpzDBcuz+CIZ0JsTtzuMAMnKiEgTRTC1wRWLUo2RlVjVijBcHQ==
+
 jest-util@^26.1.0, jest-util@^26.6.2:
   version "26.6.2"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-26.6.2.tgz#907535dbe4d5a6cb4c47ac9b926f6af29576cbc1"