Add a unit test using Jest

README.md

@@ -44,4 +44,13 @@ app.listen(port, () => {
     <h1>Hello {{name}}, do you {{hobby}}?</h1>
 </body>
 </html>
+```
+
+
+## Unit tests
+
+Run the test:
+
+```
+npm jest
 ```

index.js

@@ -1,9 +1,9 @@
 "use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-const compile = (html, data) => {
-    for (const key in data) {
-        html = html.replace(`{{${key}}}`, data[key]);
+exports.__esModule = true;
+var compile = function (html, data) {
+    for (var key in data) {
+        html = html.replace("{{".concat(key, "}}"), data[key]);
     }
     return html;
 };
-exports.default = compile;
+exports["default"] = compile;

index.test.ts

@@ -0,0 +1,8 @@
+import compile from './index';
+
+describe("compile function", () => {
+    test('inject text thierry in a div', () => {
+        expect(compile(`<div>{{name}}</div>`, { name: "thierry" })).toBe(`<div>thierry</div>`);
+    });
+});
+

index.ts

@@ -1,6 +1,6 @@
 const compile = (html: string, data: { [k: string]: string }): string => {
     for (const key in data) {
-        html = html.replace(`{{${key}}}`, data[key])
+        html = html.replace(`{{${key}}}`, data[key]);
     }
     return html
 }

jest.config.js

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

package.json

@@ -1,15 +1,21 @@
 {
   "name": "mouchetasse",
-  "version": "1.0.5",
+  "version": "1.0.8",
   "description": "Minimalist templating tool for TypeScript",
   "homepage": "https://github.com/NicolasHov/mouchetasse",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "jest"
   },
   "author": "Nicolas Hovart <[email protected]>",
   "license": "ISC",
   "dependencies": {
+    "jest": "^29.0.1",
+    "ts-jest": "^28.0.8",
+    "ts-node": "^10.9.1",
     "typescript": "^4.8.2"
+  },
+  "devDependencies": {
+    "@types/jest": "^29.0.0"
   }
 }

tsconfig.json

@@ -32,7 +32,7 @@
     // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
     // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
     // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
-    // "types": [],                                      /* Specify type package names to be included without being referenced in a source file. */
+    "types": ["node", "jest"],                                      /* Specify type package names to be included without being referenced in a source file. */
     // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
     // "moduleSuffixes": [],                             /* List of file name suffixes to search when resolving a module. */
     // "resolveJsonModule": true,                        /* Enable importing .json files. */