Vendor dependencies

Let's see how I like this workflow.

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

@@ -0,0 +1,24 @@
+const wasm = require("wasm-bindgen-test.js");
+const assert = require("assert");
+
+exports.js_keywords_compile = () => {
+  assert.strictEqual(wasm._throw(1), 1);
+  assert.strictEqual(wasm._class(1, 2), false);
+  assert.strictEqual(wasm.classy(3), 3);
+  let obj = new wasm.Class("class");
+  assert.strictEqual(wasm.Class.void("string"), "string");
+  assert.strictEqual(obj.catch, "class");
+  assert.strictEqual(obj.instanceof("Class"), "class is instance of Class");
+};
+
+exports.test_keyword_1_as_fn_name = (x) => {
+  return wasm._throw(x);
+};
+
+exports.test_keyword_2_as_fn_name = (x, y) => {
+  return wasm._class(x, y);
+};
+
+exports.test_keyword_as_fn_arg = (x) => {
+  return wasm.classy(x);
+};