From 385116b48e69dad9b228bdac66e5c28cad4fd16c Mon Sep 17 00:00:00 2001
From: Jordan Young <jordan.young@availity.com>
Date: Mon, 5 Oct 2026 10:13:29 -0400
Subject: [PATCH] feat(env-var): add build.availity.com support across all
 environments

---
 packages/env-var/README.md         |  9 +++++++++
 packages/env-var/src/index.test.ts | 24 ++++++++++++++++++++++++
 packages/env-var/src/index.ts      | 10 +++++-----
 3 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/packages/env-var/README.md b/packages/env-var/README.md
index f0bb9937..fd62b10c 100644
--- a/packages/env-var/README.md
+++ b/packages/env-var/README.md
@@ -36,6 +36,15 @@ const apiUrl = envVar({
 });
 ```
 
+Supported hostnames per environment:
+
+| Environment | Hostnames                                                                                                                                 |
+| ----------- | ----------------------------------------------------------------------------------------------------------------------------------------- |
+| `local`     | `localhost`, `127.0.0.1`                                                                                                                  |
+| `test`      | `test-{apps\|essentials\|build}.availity.com`, `t{NN}-{apps\|essentials\|build}.availity.com`                                             |
+| `qa`        | `qa-{apps\|essentials\|build}.availity.com`, `qap-{apps\|essentials\|build}.availity.com`, `q{NN}-{apps\|essentials\|build}.availity.com` |
+| `prod`      | `apps.availity.com`, `essentials.availity.com`, `build.availity.com`                                                                      |
+
 ### Named Exports
 
 ```js
diff --git a/packages/env-var/src/index.test.ts b/packages/env-var/src/index.test.ts
index 2e47fb57..89b19132 100644
--- a/packages/env-var/src/index.test.ts
+++ b/packages/env-var/src/index.test.ts
@@ -191,20 +191,31 @@ describe('envVar', () => {
     describe('test — portal URLs', () => {
       assertEnv('test-apps.availity.com', 'test');
       assertEnv('test-essentials.availity.com', 'test');
+      assertEnv('test-build.availity.com', 'test');
       assertEnv('t01-apps.availity.com', 'test');
+      assertEnv('t01-essentials.availity.com', 'test');
+      assertEnv('t01-build.availity.com', 'test');
       assertEnv('t14-apps.availity.com', 'test');
+      assertEnv('t14-essentials.availity.com', 'test');
+      assertEnv('t14-build.availity.com', 'test');
     });
 
     describe('qa — portal URLs', () => {
       assertEnv('qa-apps.availity.com', 'qa');
       assertEnv('qa-essentials.availity.com', 'qa');
+      assertEnv('qa-build.availity.com', 'qa');
       assertEnv('qap-apps.availity.com', 'qa');
+      assertEnv('qap-essentials.availity.com', 'qa');
+      assertEnv('qap-build.availity.com', 'qa');
       assertEnv('q01-apps.availity.com', 'qa');
+      assertEnv('q01-essentials.availity.com', 'qa');
+      assertEnv('q01-build.availity.com', 'qa');
     });
 
     describe('prod — portal URLs', () => {
       assertEnv('apps.availity.com', 'prod');
       assertEnv('essentials.availity.com', 'prod');
+      assertEnv('build.availity.com', 'prod');
     });
 
     describe('unknown hostnames fall through to local', () => {
@@ -241,13 +252,26 @@ describe('getSpecificEnv', () => {
     assertSpecific('127.0.0.1', 'local');
     assertSpecific('fallback-apps.availity.com', 'fallback');
     assertSpecific('test-apps.availity.com', 'test');
+    assertSpecific('test-essentials.availity.com', 'test');
+    assertSpecific('test-build.availity.com', 'test');
     assertSpecific('t01-apps.availity.com', 't01');
+    assertSpecific('t01-essentials.availity.com', 't01');
+    assertSpecific('t01-build.availity.com', 't01');
     assertSpecific('t14-apps.availity.com', 't14');
+    assertSpecific('t14-essentials.availity.com', 't14');
+    assertSpecific('t14-build.availity.com', 't14');
     assertSpecific('qa-apps.availity.com', 'qa');
+    assertSpecific('qa-essentials.availity.com', 'qa');
+    assertSpecific('qa-build.availity.com', 'qa');
     assertSpecific('qap-apps.availity.com', 'qap');
+    assertSpecific('qap-essentials.availity.com', 'qap');
+    assertSpecific('qap-build.availity.com', 'qap');
     assertSpecific('q01-apps.availity.com', 'q01');
+    assertSpecific('q01-essentials.availity.com', 'q01');
+    assertSpecific('q01-build.availity.com', 'q01');
     assertSpecific('apps.availity.com', 'prod');
     assertSpecific('essentials.availity.com', 'prod');
+    assertSpecific('build.availity.com', 'prod');
   });
 
   test('returns "local" when called with null (SSR/no-window)', () => {
diff --git a/packages/env-var/src/index.ts b/packages/env-var/src/index.ts
index 25e2ecfa..c528b32b 100644
--- a/packages/env-var/src/index.ts
+++ b/packages/env-var/src/index.ts
@@ -28,7 +28,7 @@ export interface WindowLike {
  * // => string | null | undefined
  */
 export interface EnvOpts {
-  /** Value to use in production (`apps.availity.com`, `essentials.availity.com`). */
+  /** Value to use in production (`apps.availity.com`, `essentials.availity.com`, `build.availity.com`). */
   prod?: unknown;
   /** Value to use in QA (`qa-apps`, `qap-apps`, `q01-apps`, etc.). */
   qa?: unknown;
@@ -58,9 +58,9 @@ export interface EnvironmentInfo {
 
 const DEFAULT_ENVIRONMENTS: Record<string, EnvTest | EnvTest[]> = {
   local: ['127.0.0.1', 'localhost'],
-  test: [/^t(?:(?:\d\d)|(?:est))-(apps|essentials)$/],
-  qa: [/^q(?:(?:\d\d)|(?:ap?))-(apps|essentials)$/],
-  prod: [/^(apps|essentials)$/],
+  test: [/^t(?:(?:\d\d)|(?:est))-(apps|essentials|build)$/],
+  qa: [/^q(?:(?:\d\d)|(?:ap?))-(apps|essentials|build)$/],
+  prod: [/^(apps|essentials|build)$/],
 };
 
 const DEFAULT_SPECIFIC_ENVIRONMENTS: SpecificEnvConfig[] = [
@@ -70,7 +70,7 @@ const DEFAULT_SPECIFIC_ENVIRONMENTS: SpecificEnvConfig[] = [
     fn: () => 'local',
   },
   {
-    regex: /^(?:(.*)-)?(apps|essentials)$/,
+    regex: /^(?:(.*)-)?(apps|essentials|build)$/,
     fn: (options) => options.match[1] || 'prod',
   },
 ];