UPDATE: Adds Web browser wasm bindings (#30)

* UPDATE: Adds Web browser wasm bindings

* FIX: install wasm-pack in the GitHub actions

bindings/wasm/tests/test.mjs

@@ -0,0 +1,123 @@
+import test from 'node:test';
+import assert from 'node:assert'
+import { Model } from "../pkg/wasm.js";
+
+test('Frozen rows and columns', () => {
+    let model = new Model('en', 'UTC');
+    assert.strictEqual(model.getFrozenRowsCount(0), 0);
+    assert.strictEqual(model.getFrozenColumnsCount(0), 0);
+
+    model.setFrozenColumnsCount(0, 4);
+    model.setFrozenRowsCount(0, 3)
+
+    assert.strictEqual(model.getFrozenRowsCount(0), 3);
+    assert.strictEqual(model.getFrozenColumnsCount(0), 4);
+});
+
+test('Row height', () => {
+    let model = new Model('en', 'UTC');
+    assert.strictEqual(model.getRowHeight(0, 3), 21);
+
+    model.setRowHeight(0, 3, 32);
+    assert.strictEqual(model.getRowHeight(0, 3), 32);
+
+    model.undo();
+    assert.strictEqual(model.getRowHeight(0, 3), 21);
+
+    model.redo();
+    assert.strictEqual(model.getRowHeight(0, 3), 32);
+
+    model.setRowHeight(0, 3, 320);
+    assert.strictEqual(model.getRowHeight(0, 3), 320);
+});
+
+test('Evaluates correctly', (t) => {
+    const model = new Model('en', 'UTC');
+    model.setUserInput(0, 1, 1, "23");
+    model.setUserInput(0, 1, 2, "=A1*3+1");
+
+    const result = model.getFormattedCellValue(0, 1, 2);
+    assert.strictEqual(result, "70");
+});
+
+test('Styles work', () => {
+    const model = new Model('en', 'UTC');
+    let style = model.getCellStyle(0, 1, 1);
+    assert.deepEqual(style, {
+        num_fmt: 'general',
+        fill: { pattern_type: 'none' },
+        font: {
+            sz: 11,
+            color: '#000000',
+            name: 'Calibri',
+            family: 2,
+            scheme: 'minor'
+        },
+        border: {},
+        quote_prefix: false
+    });
+    model.setUserInput(0, 1, 1, "'=1+1");
+    style = model.getCellStyle(0, 1, 1);
+    assert.deepEqual(style, {
+        num_fmt: 'general',
+        fill: { pattern_type: 'none' },
+        font: {
+            sz: 11,
+            color: '#000000',
+            name: 'Calibri',
+            family: 2,
+            scheme: 'minor'
+        },
+        border: {},
+        quote_prefix: true
+    });
+});
+
+test("Add sheets", (t) => {
+    const model = new Model('en', 'UTC');
+    model.newSheet();
+    model.renameSheet(1, "NewName");
+    let props = model.getWorksheetsProperties();
+    assert.deepEqual(props, [{
+        name: 'Sheet1',
+        sheet_id: 1,
+        state: 'visible'
+    },
+    {
+        name: 'NewName',
+        sheet_id: 2,
+        state: 'visible'
+    }
+    ]);
+});
+
+test("invalid sheet index throws an exception", () => {
+    const model = new Model('en', 'UTC');
+    assert.throws(() => {
+        model.setRowHeight(1, 1, 100);
+    }, {
+        name: 'Error',
+        message: 'Invalid sheet index',
+    });
+});
+
+test("invalid column throws an exception", () => {
+    const model = new Model('en', 'UTC');
+    assert.throws(() => {
+        model.setRowHeight(0, -1, 100);
+    }, {
+        name: 'Error',
+        message: "Row number '-1' is not valid.",
+    });
+});
+
+test("floating column numbers get truncated", () => {
+    const model = new Model('en', 'UTC');
+    model.setRowHeight(0.8, 5.2, 100.5);
+
+    assert.strictEqual(model.getRowHeight(0.11, 5.99), 100.5);
+    assert.strictEqual(model.getRowHeight(0, 5), 100.5);
+});
+
+
+