--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rollup.config.js	Tue Jul 21 23:28:04 2020 -0700
@@ -0,0 +1,40 @@
+import builtins from "rollup-plugin-node-builtins";
+import commonjs from "@rollup/plugin-commonjs";
+import postcss from "rollup-plugin-postcss";
+import resolve from "@rollup/plugin-node-resolve";
+import typescript from "rollup-plugin-typescript2";
+import { terser } from "rollup-plugin-terser";
+
+const workaround_jsonld_module_system_picker = "process = {version: '1.0.0'}";
+const workaround_some_browser_detector = "global = window";
+
+const workaround_jsonld_expand_issue = {
+  namedExports: {
+    "../streamed-graph/node_modules/jsonld/lib/index.js": ["expand"], // fixes "expand is not exported by node_modules/jsonld/lib/index.js"
+  },
+};
+
+export default [
+  {
+    input: "src/index.ts",
+    output: {
+      file: "build/bundle.js",
+      format: "esm",
+      intro: `const ${workaround_some_browser_detector}, ${workaround_jsonld_module_system_picker};`,
+    },
+
+    plugins: [
+      builtins(),
+      resolve({
+        extensions: [".js", ".ts"],
+        browser: true,
+      }),
+      typescript(),
+      postcss({
+        inject: false,
+      }),
+      commonjs(workaround_jsonld_expand_issue),
+      //terser() // 1500 -> 500kB, but slow. put it in the docker builder only.
+    ],
+  },
+];