diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 0000000..1521c8b
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1 @@
+dist
diff --git a/package.json b/package.json
index ae6ff1e..6b92c58 100644
--- a/package.json
+++ b/package.json
@@ -6,8 +6,9 @@
   "module": "dist/rollup-plugin-postprocess.m.js",
   "source": "postprocess.js",
   "scripts": {
+    "lint": "eslint .",
     "prepare": "microbundle --external all --target node --format cjs,es --no-compress",
-    "test": "eslint postprocess.js && npm run -s prepare && node test",
+    "test": "npm run lint && npm run -s prepare && nyc node test",
     "release": "npm run -s prepare && npm test && git commit -am $npm_package_version && git tag $npm_package_version && git push && git push --tags && npm publish"
   },
   "eslintConfig": {
@@ -27,15 +28,21 @@
     "index.js",
     "dist"
   ],
-  "repository": "developit/rollup-plugin-postprocess",
+  "repository": "https://github.com/developit/rollup-plugin-postprocess",
+  "homepage": "https://github.com/developit/rollup-plugin-postprocess",
+  "bugs": "https://github.com/developit/rollup-plugin-postprocess/issues",
   "author": "Jason Miller <jason@developit.ca> (http://jasonformat.com)",
+  "contributors": [
+    "Brett Zamir"
+  ],
   "license": "MIT",
   "devDependencies": {
-    "eslint": "^4.13.1",
-    "eslint-config-developit": "^1.1.1",
-    "microbundle": "^0.4.1"
+    "eslint": "^7.7.0",
+    "eslint-config-developit": "^1.2.0",
+    "microbundle": "^0.12.3",
+    "nyc": "^15.1.0"
   },
   "dependencies": {
-    "magic-string": "^0.22.4"
+    "magic-string": "^0.25.7"
   }
 }
diff --git a/postprocess.js b/postprocess.js
index c2b902b..811e25d 100644
--- a/postprocess.js
+++ b/postprocess.js
@@ -6,7 +6,7 @@ const replacer = (str, index) => currentToken[index];
 export default function postprocess(allReplacements) {
 	return {
 		name: 'postprocess',
-		transformBundle(code, { sourceMap, format }) {
+		renderChunk(code, { sourceMap, format }) {
 			let str = new MagicString(code);
 			let replacements = typeof allReplacements==='function' ? allReplacements({ code, sourceMap, format }) : allReplacements;
 
@@ -38,4 +38,4 @@ export default function postprocess(allReplacements) {
 			};
 		}
 	};
-}
\ No newline at end of file
+}
diff --git a/test.js b/test.js
index ed481ed..cb3a127 100644
--- a/test.js
+++ b/test.js
@@ -1,12 +1,12 @@
 /* eslint-disable */
 
-var assert = require('assert');
-var postprocess = require('.');
+const assert = require('assert');
+const postprocess = require('.');
 
-var code = 'function t(t,o,e,i){for(i=0,o=o.split?o.split("."):o;t&&i<o.length;)t=t[o[i++]];return void 0===t?e:t}module.exports=t;';
+const code = 'function t(t,o,e,i){for(i=0,o=o.split?o.split("."):o;t&&i<o.length;)t=t[o[i++]];return void 0===t?e:t}module.exports=t;';
 
-var name, exportPrefix;
-var out = postprocess([
+let name, exportPrefix;
+let out = postprocess([
 	[/(module\.exports\s*=\s*|export\s*default\s*)([a-zA-Z$_][a-zA-Z0-9$_]*)[;,]?/, function(str, prefix, id) {
 		name = id;
 		exportPrefix = prefix;
@@ -17,8 +17,15 @@ var out = postprocess([
 		}
 		return str;
 	}]
-]).transformBundle(code, { sourceMap: false });
+]).renderChunk(code, { sourceMap: false });
 
 assert.equal(out.code, 'module.exports=function t(t,o,e,i){for(i=0,o=o.split?o.split("."):o;t&&i<o.length;)t=t[o[i++]];return void 0===t?e:t}');
+
+out = postprocess([
+	[/module\.exports=(.*)/, '// EXPORT\n\nmodule\.exports=$1\n// end of file']
+]).renderChunk(code, {});
+
+assert.equal(out.code, 'function t(t,o,e,i){for(i=0,o=o.split?o.split("."):o;t&&i<o.length;)t=t[o[i++]];return void 0===t?e:t}// EXPORT\n\nmodule.exports=t;\n// end of file')
+
 console.log('✅ Tests Passed');
 process.exit(0);