From 8725d72cae492221911558d8b7ed9e8c7767ea12 Mon Sep 17 00:00:00 2001
From: Mike Bostock <mbostock@gmail.com>
Date: Fri, 1 Sep 2017 06:46:16 -0700
Subject: [PATCH] Add rollup.config.

---
 package.json     | 2 +-
 rollup.config.js | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 rollup.config.js

diff --git a/package.json b/package.json
index 984494c..6d0fad4 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "url": "https://github.com/d3/d3-dsv.git"
   },
   "scripts": {
-    "pretest": "rm -rf build && mkdir build && rollup --banner \"$(preamble)\" -f umd -n d3 --extend -o build/d3-dsv.js -- index.js",
+    "pretest": "rm -rf build && mkdir build && rollup -c --banner \"$(preamble)\"",
     "test": "tape 'test/**/*-test.js' && eslint index.js src",
     "prepublish": "npm run test && uglifyjs -b beautify=false,preamble=\"'$(preamble)'\" build/d3-dsv.js -c -m -o build/d3-dsv.min.js",
     "postpublish": "git push && git push --tags && cd ../d3.github.com && git pull && cp ../d3-dsv/build/d3-dsv.js d3-dsv.v1.js && cp ../d3-dsv/build/d3-dsv.min.js d3-dsv.v1.min.js && git add d3-dsv.v1.js d3-dsv.v1.min.js && git commit -m \"d3-dsv ${npm_package_version}\" && git push && cd - && zip -j build/d3-dsv.zip -- LICENSE README.md build/d3-dsv.js build/d3-dsv.min.js"
diff --git a/rollup.config.js b/rollup.config.js
new file mode 100644
index 0000000..9a19806
--- /dev/null
+++ b/rollup.config.js
@@ -0,0 +1,9 @@
+export default {
+  input: "index",
+  output: {
+    extend: true,
+    file: "build/d3-dsv.js",
+    format: "umd",
+    name: "d3"
+  }
+};