Vendor dependencies

Let's see how I like this workflow.

vendor/wasm-bindgen/tests/wasm/api.js

@@ -0,0 +1,75 @@
+const wasm = require('wasm-bindgen-test.js');
+const assert = require('assert');
+
+exports.assert_null = x => {
+    assert.strictEqual(x, null);
+};
+
+exports.js_works = () => {
+    assert.strictEqual(wasm.api_foo(), 'foo');
+    assert.strictEqual(wasm.api_bar('a'), 'a');
+    assert.strictEqual(wasm.api_baz(), 1);
+    wasm.api_baz2(2, 'a');
+
+    assert.strictEqual(wasm.api_js_null(), null);
+    assert.strictEqual(wasm.api_js_undefined(), undefined);
+
+    wasm.api_test_is_null_undefined(null, undefined, 1.0);
+
+    assert.strictEqual(wasm.api_get_true(), true);
+    assert.strictEqual(wasm.api_get_false(), false);
+    wasm.api_test_bool(true, false, 1.0);
+
+    assert.strictEqual(typeof (wasm.api_mk_symbol()), 'symbol');
+    assert.strictEqual(typeof (wasm.api_mk_symbol2('a')), 'symbol');
+    assert.strictEqual(Symbol.keyFor(wasm.api_mk_symbol()), undefined);
+    assert.strictEqual(Symbol.keyFor(wasm.api_mk_symbol2('b')), undefined);
+
+    wasm.api_assert_symbols(Symbol(), 'a');
+    wasm.api_acquire_string('foo', null);
+    assert.strictEqual(wasm.api_acquire_string2(''), '');
+    assert.strictEqual(wasm.api_acquire_string2('a'), 'a');
+
+    let arr = [1, 2, 3, 4, {}, ['a', 'b', 'c']]
+    wasm.api_completely_variadic(...arr).forEach((element, index) => {
+        assert.strictEqual(element, arr[index]);
+    });
+    assert.strictEqual(
+        wasm.api_completely_variadic().length,
+        0
+    );
+    wasm.api_variadic_with_prefixed_params([], {}, ...arr).forEach((element, index) => {
+        assert.strictEqual(element, arr[index]);
+    });
+};
+
+exports.js_eq_works = () => {
+    assert.strictEqual(wasm.eq_test('a', 'a'), true);
+    assert.strictEqual(wasm.eq_test('a', 'b'), false);
+    assert.strictEqual(wasm.eq_test(NaN, NaN), false);
+    assert.strictEqual(wasm.eq_test({ a: 'a' }, { a: 'a' }), false);
+    assert.strictEqual(wasm.eq_test1(NaN), false);
+    let x = { a: 'a' };
+    assert.strictEqual(wasm.eq_test(x, x), true);
+    assert.strictEqual(wasm.eq_test1(x), true);
+};
+
+exports.debug_values = () => ([
+    null,
+    undefined,
+    0,
+    1.0,
+    true,
+    [1, 2, 3],
+    "string",
+    { test: "object" },
+    [1.0, [2.0, 3.0]],
+    () => (null),
+    new Set(),
+]);
+
+exports.assert_function_table = (x, i) => {
+    const rawWasm = require('wasm-bindgen-test.js').__wasm;
+    assert.ok(x instanceof WebAssembly.Table);
+    assert.strictEqual(x.get(i), rawWasm.function_table_lookup);
+};