consolidate rollup config

.eslintignore

@@ -0,0 +1,2 @@
+src/shared
+shared.js

.gitignore

@@ -2,6 +2,8 @@
 node_modules
 compiler
 ssr
+shared.js
+scratch
 !test/compiler
 !test/ssr
 .nyc_output
@@ -9,4 +11,3 @@ coverage
 coverage.lcov
 test/sourcemaps/*/output.js
 test/sourcemaps/*/output.js.map
-scratch

package.json

@@ -15,9 +15,10 @@
     "codecov": "codecov",
     "precodecov": "npm run coverage",
     "lint": "eslint src test/*.js",
-    "build": "npm run build:main && npm run build:ssr",
-    "build:main": "rollup -c rollup.config.main.js",
-    "build:ssr": "rollup -c rollup.config.ssr.js",
+    "build": "npm run build:main && npm run build:shared && npm run build:ssr",
+    "build:main": "rollup -c rollup/rollup.config.main.js",
+    "build:shared": "rollup -c rollup/rollup.config.shared.js",
+    "build:ssr": "rollup -c rollup/rollup.config.ssr.js",
     "pretest": "npm run build",
     "prepublish": "npm run lint && npm run build"
   },

rollup/rollup.config.shared.js

@@ -0,0 +1,5 @@
+export default {
+	entry: 'src/shared/index.js',
+	dest: 'shared.js',
+	format: 'es'
+};