Feat js testsetup

expensereport-javascript/.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+coverage/

expensereport-javascript/.nvmrc

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+lts/gallium

expensereport-javascript/.prettierignore

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+node_modules/**

expensereport-javascript/.prettierrc

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+{}

expensereport-javascript/Expenses.js

@@ -1,39 +1,49 @@
 const type = {
-    BREAKFAST: 1,
-    DINNER: 2,
-    CAR_RENTAL: 3,
+  BREAKFAST: 1,
+  DINNER: 2,
+  CAR_RENTAL: 3,
 };
 
 function printReport(expenses) {
-    let total = 0;
-    let mealExpenses = 0;
-
-    process.stdout.write("Expenses " + new Date().toISOString().slice(0, 10) + "\n");
-
-    for (const expense of expenses) {
-        if (expense.type == type.DINNER || expense.type == type.BREAKFAST) {
-            mealExpenses += expense.amount;
-        }
-
-        let expenseName;
-        switch (expense.type) {
-        case type.DINNER:
-            expenseName = "Dinner";
-            break;
-        case type.BREAKFAST:
-            expenseName = "Breakfast";
-            break;
-        case type.CAR_RENTAL:
-            expenseName = "Car Rental";
-            break;
-        }
-
-        const mealOverExpensesMarker = ((expense.type == type.DINNER && expense.amount > 5000) || (expense.type == type.BREAKFAST && expense.amount > 1000)) ? "X" : " ";
-
-        process.stdout.write(expenseName + "\t" + expense.amount + "\t" + mealOverExpensesMarker);
-        total += expense.amount;
+  let total = 0;
+  let mealExpenses = 0;
+
+  process.stdout.write(
+    "Expenses " + new Date().toISOString().slice(0, 10) + "\n"
+  );
+
+  for (const expense of expenses) {
+    if (expense.type == type.DINNER || expense.type == type.BREAKFAST) {
+      mealExpenses += expense.amount;
+    }
+
+    let expenseName;
+    switch (expense.type) {
+      case type.DINNER:
+        expenseName = "Dinner";
+        break;
+      case type.BREAKFAST:
+        expenseName = "Breakfast";
+        break;
+      case type.CAR_RENTAL:
+        expenseName = "Car Rental";
+        break;
     }
 
-    process.stdout.write("Meal expenses: " + mealExpenses);
-    process.stdout.write("Total expenses: " + total);
+    const mealOverExpensesMarker =
+      (expense.type == type.DINNER && expense.amount > 5000) ||
+      (expense.type == type.BREAKFAST && expense.amount > 1000)
+        ? "X"
+        : " ";
+
+    process.stdout.write(
+      expenseName + "\t" + expense.amount + "\t" + mealOverExpensesMarker
+    );
+    total += expense.amount;
+  }
+
+  process.stdout.write("Meal expenses: " + mealExpenses);
+  process.stdout.write("Total expenses: " + total);
 }
+
+module.exports = { printReport };

expensereport-javascript/Expenses.test.js

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+describe("Expenses", () => {
+  test.todo("write some tests");
+});

expensereport-javascript/Makefile

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-.PHONY: all
+.PHONY: all test
 all:
 	node Expenses.js
+test:
+	npm run test

expensereport-javascript/README.md

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 # Expense Report JavaScript
 
 Kata for Coding Dojos.
+
+## Requirements
+
+- `nodejs` version 16 (lts/gallium) or `nvm` to install `nodejs` based on `.nvmrc`
+
+## Getting Started
+
+- when using `nvm`: run `nvm install`
+- install dependencies: `npm install`
+- run tests: `npm test` or `make test`
+- run tests in watch mode: `npm run test:watch`
+- reformat code with Prettier: `npm run prettier`