Commit updated Javascript packages

build/javascript/node_modules/detective/test/es2019.js

@@ -0,0 +1,15 @@
+var test = require('tap').test;
+var detective = require('../');
+var fs = require('fs');
+
+test('es2019 - for-await', function (t) {
+    var src = fs.readFileSync(__dirname + '/files/for-await.js');
+    t.doesNotThrow(detective.bind(detective, src), 'Files with `for await()` do not throw')
+    t.end();
+});
+
+test('es2019 - optional-catch', function (t) {
+    var src = fs.readFileSync(__dirname + '/files/optional-catch.js');
+    t.doesNotThrow(detective.bind(detective, src), 'Files with omitted catch binding do not throw')
+    t.end();
+});