Vendor dependencies

Let's see how I like this workflow.

vendor/js-sys/tests/wasm/Number.js

@@ -0,0 +1,22 @@
+
+exports.const_epsilon = function() {
+    return Number.EPSILON;
+};
+exports.const_max_safe_integer = function() {
+    return Number.MAX_SAFE_INTEGER;
+};
+exports.const_max_value = function() {
+    return Number.MAX_VALUE;
+};
+exports.const_min_safe_integer = function() {
+    return Number.MIN_SAFE_INTEGER;
+};
+exports.const_min_value = function() {
+    return Number.MIN_VALUE;
+};
+exports.const_negative_infinity = function() {
+    return Number.NEGATIVE_INFINITY;
+};
+exports.const_positive_infinity = function() {
+    return Number.POSITIVE_INFINITY;
+};