UPDATE: Adds web app (#79)

Things missing:

* Browse mode
* Front end tests
* Storybook

webapp/src/components/tests/model.test.ts

@@ -0,0 +1,13 @@
+import { readFile } from "node:fs/promises";
+import { Model, initSync } from "@ironcalc/wasm";
+import { expect, test } from "vitest";
+
+// This is a simple test that showcases how to load the wasm module in the tests
+
+test("simple calculation", async () => {
+  const buffer = await readFile("node_modules/@ironcalc/wasm/wasm_bg.wasm");
+  initSync(buffer);
+  const model = new Model("en", "UTC");
+  model.setUserInput(0, 1, 1, "=21*2");
+  expect(model.getFormattedCellValue(0, 1, 1)).toBe("42");
+});

webapp/src/components/tests/util.test.ts

@@ -0,0 +1,7 @@
+import { expect, test } from "vitest";
+import { isNavigationKey } from "../util";
+
+test("checks arrow left is a navigation key", () => {
+  expect(isNavigationKey("ArrowLeft")).toBe(true);
+  expect(isNavigationKey("Arrow")).toBe(false);
+});