From d9f4156fe06001c5361175abdc91db8ca5f8f219 Mon Sep 17 00:00:00 2001
From: Daniel Dunderfelt <daniel@developsuperpowers.com>
Date: Wed, 2 Jan 2019 10:22:19 +0200
Subject: [PATCH] Save the exported method names in a local cache object, per
 entry file, instead of using the compilation object. Fixes #24 where worker
 methods are undefined after a recompile.

---
 src/index.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/index.js b/src/index.js
index 1032cd5..930e904 100644
--- a/src/index.js
+++ b/src/index.js
@@ -83,7 +83,7 @@ loader.pitch = function(request) {
 				// only process entry exports
 				if (current.resource!==entry) return;
 
-				let exports = compilation.__workerizeExports || (compilation.__workerizeExports = {});
+				let exports = CACHE[entry] || (CACHE[entry] = {});
 
 				if (decl.id) {
 					exports[decl.id.name] = true;
@@ -106,8 +106,9 @@ loader.pitch = function(request) {
 		if (entries[0]) {
 			worker.file = entries[0].files[0];
 
+			let entry = entries[0].entryModule.resource;
 			let contents = compilation.assets[worker.file].source();
-			let exports = Object.keys(CACHE[worker.file] = compilation.__workerizeExports || CACHE[worker.file] || {});
+			let exports = Object.keys(CACHE[entry] || {});
 
 			// console.log('Workerized exports: ', exports.join(', '));