From 84b4c182e017160a6cd8f6292ef599348a151d04 Mon Sep 17 00:00:00 2001
From: Jeff Dickey <216188+jdxcode@users.noreply.github.com>
Date: Sat, 27 Jan 2018 06:29:00 -0800
Subject: [PATCH] fix: throw error if no chai

---
 src/chai.ts | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/chai.ts b/src/chai.ts
index db87e53..769914d 100644
--- a/src/chai.ts
+++ b/src/chai.ts
@@ -9,7 +9,4 @@ const tryRequire = (module: string) => {
 
 const chai: Chai.ChaiStatic = tryRequire('chai')
 
-const chaiAsPromised = tryRequire('chai-as-promised')
-if (chai && chaiAsPromised) chai.use(chaiAsPromised)
-
-export const expect = chai && chai.expect
+export const expect = (chai && chai.expect) || (() => { throw new Error('install chai') })