From b9d853eb50b2d0cc5fe48c88efebf9d863fc0270 Mon Sep 17 00:00:00 2001
From: Jason Miller <developit@users.noreply.github.com>
Date: Wed, 30 Jan 2019 16:26:26 -0500
Subject: [PATCH] Add define option

Same as Terser's `--define`
---
 src/index.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/index.js b/src/index.js
index e5b2a16..d1a8539 100644
--- a/src/index.js
+++ b/src/index.js
@@ -488,6 +488,10 @@ function createConfig(options, entry, format, writeMeta) {
 							compress: {
 								keep_infinity: true,
 								pure_getters: true,
+								global_defs: Object.assign({
+									NODE_ENV: process.env.NODE_ENV || 'production',
+									'process.env.NODE_ENV': process.env.NODE_ENV || 'production'
+								}, options.define || {})
 							},
 							warnings: true,
 							ecma: 5,