add jest

.eslintignore

@@ -0,0 +1 @@
+jest.config.js

jest.config.js

@@ -0,0 +1,5 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} */
+module.exports = {
+ preset: "ts-jest",
+ testEnvironment: "node",
+};

package.json

@@ -5,7 +5,7 @@
  "main": "index.ts",
  "scripts": {
  "dev": "nodemon ./src/index.ts",
- "test": "echo \"Error: no test specified\" && exit 1",
+ "test": "jest",
  "lint": "eslint ."
  },
  "author": "",
@@ -18,13 +18,16 @@
  },
  "devDependencies": {
  "@types/express": "^4.17.21",
+ "@types/jest": "^29.5.12",
  "@types/node": "^20.11.17",
  "@typescript-eslint/eslint-plugin": "^6.21.0",
  "@typescript-eslint/parser": "^6.21.0",
  "eslint": "^8.56.0",
  "eslint-config-prettier": "^9.1.0",
+ "jest": "^29.7.0",
  "nodemon": "^3.0.3",
  "prettier": "3.2.5",
+ "ts-jest": "^29.1.2",
  "ts-node": "^10.9.2",
  "typescript": "^5.3.3"
  }

src/index.ts

@@ -1,6 +1,6 @@
 import "dotenv/config";
 import express from "express";
-import { parseConfig } from "./utils/config/parse-config";
+import { parseConfig } from "./utils/parse-config";
 
 const app = express();
 

src/utils/config/parse-config.ts → src/utils/parse-config.ts

@@ -1,14 +1,14 @@
 import fs from "fs";
 import YAML from "yaml";
-import { Config } from "../../types/config";
+import { Config } from "../types/config";
 import { validateConfig } from "./validate-config";
 
 export const parseConfig = (filePath: string): Config => {
- const fileContents = fs
+ const file = fs
  .readFileSync(filePath, "utf8")
  .replace(/\$\{(.+?)\}/g, (match, name) => process.env[name] || match);
 
- const config = YAML.parse(fileContents);
+ const config = YAML.parse(file);
 
  const valid = validateConfig(config);
 

src/utils/config/validate-config.ts → src/utils/validate-config.ts

@@ -1,6 +1,6 @@
 import Ajv, { JSONSchemaType } from "ajv";
-import { Destination, Endpoint } from "../../types/endpoints";
-import { Config } from "../../types/config";
+import { Destination, Endpoint } from "../types/endpoints";
+import { Config } from "../types/config";
 
 const ajv = new Ajv();