From: Evan You <yyx990803@gmail.com>
Date: Wed, 6 Nov 2019 20:23:50 +0000 (-0500)
Subject: build: only remove dist directory when building all formats
X-Git-Tag: v3.0.0-alpha.0~230
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3ec63dbee17d14e4cff23d954de623ead3e47a29;p=thirdparty%2Fvuejs%2Fcore.git

build: only remove dist directory when building all formats
---

diff --git a/scripts/build.js b/scripts/build.js
index 3959532d37..b57d91d70e 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -54,7 +54,10 @@ async function build(target) {
   const pkgDir = path.resolve(`packages/${target}`)
   const pkg = require(`${pkgDir}/package.json`)
 
-  await fs.remove(`${pkgDir}/dist`)
+  // if building a specific format, do not remove dist.
+  if (!formats) {
+    await fs.remove(`${pkgDir}/dist`)
+  }
 
   const env =
     (pkg.buildOptions && pkg.buildOptions.env) ||