init

mc_test/node_modules/global-agent/dist/factories/createProxyController.js.flow

@@ -0,0 +1,46 @@
+// @flow
+
+import Logger from '../Logger';
+
+type ProxyControllerType = {|
+  HTTP_PROXY: string | null,
+  HTTPS_PROXY: string | null,
+  NO_PROXY: string | null,
+|};
+
+const log = Logger.child({
+  namespace: 'createProxyController',
+});
+
+const KNOWN_PROPERTY_NAMES = [
+  'HTTP_PROXY',
+  'HTTPS_PROXY',
+  'NO_PROXY',
+];
+
+export default (): ProxyControllerType => {
+  // eslint-disable-next-line fp/no-proxy
+  return new Proxy({
+    HTTP_PROXY: null,
+    HTTPS_PROXY: null,
+    NO_PROXY: null,
+  }, {
+    set: (subject, name, value) => {
+      if (!KNOWN_PROPERTY_NAMES.includes(name)) {
+        throw new Error('Cannot set an unmapped property "' + name + '".');
+      }
+
+      subject[name] = value;
+
+      log.info({
+        change: {
+          name,
+          value,
+        },
+        newConfiguration: subject,
+      }, 'configuration changed');
+
+      return true;
+    },
+  });
+};