Add setupNconf function

test/api/v3/unit/libs/setupNconf.test.js

@@ -0,0 +1,41 @@
+import setupNconf from '../../../../../website/src/libs/api-v3/setupNconf';
+
+import nconf from 'nconf';
+
+describe('setupNconf', () => {
+  afterEach(() => {
+    sandbox.restore();
+  });
+
+  it('sets up nconf to load command line arguments', () => {
+    sandbox.spy(nconf, 'argv');
+
+    setupNconf();
+
+    expect(nconf.argv).to.be.calledOnce;
+  });
+
+  it('sets up nconf to load environmental variables', () => {
+    sandbox.spy(nconf, 'env');
+
+    setupNconf();
+
+    expect(nconf.env).to.be.calledOnce;
+  });
+
+  it('sets up nconf to load variables from config file', () => {
+    sandbox.spy(nconf, 'file');
+
+    setupNconf();
+
+    expect(nconf.file).to.be.calledOnce;
+  });
+
+  it('sets IS_PROD variable', () => {
+    expect(nconf.get('IS_PROD')).to.exist;
+  });
+
+  it('sets IS_DEV variable', () => {
+    expect(nconf.get('IS_DEV')).to.exist;
+  });
+});

website/src/libs/api-v3/setupNconf.js

@@ -0,0 +1,14 @@
+import nconf from 'nconf';
+import { join, resolve } from 'path';
+
+const PATH_TO_CONFIG = join(resolve(__dirname, '../../../../config.json'));
+
+export default function setupNconf () {
+  nconf
+    .argv()
+    .env()
+    .file('user', PATH_TO_CONFIG);
+
+  nconf.set('IS_PROD', nconf.get('NODE_ENV') === 'production');
+  nconf.set('IS_DEV', nconf.get('NODE_ENV') === 'development');
+}