From 3db7d79c4df68284448f8d3fa1bad51b9749af7d Mon Sep 17 00:00:00 2001
From: eric thul <thul.eric@gmail.com>
Date: Sun, 6 Nov 2016 15:42:07 -0500
Subject: [PATCH] Initial sketch of main function support

---
 README.md    | 1 +
 src/index.js | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 6886f0f..e5b804d 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ Default options:
   bundle: false,
   warnings: true,
   output: 'output',
+  mainModule: {}, // provides a mapping to resolve main functions exported by PureScript webpack entries
   src: [
     path.join('src', '**', '*.purs'),
     path.join('bower_components', 'purescript-*', 'src', '**', '*.purs')
diff --git a/src/index.js b/src/index.js
index f3b2fde..56cbd65 100644
--- a/src/index.js
+++ b/src/index.js
@@ -33,6 +33,7 @@ module.exports = function purescriptLoader(source, map) {
     bundle: false,
     warnings: true,
     output: 'output',
+    mainModule: {},
     src: [
       path.join('src', '**', '*.purs'),
       path.join('bower_components', 'purescript-*', 'src', '**', '*.purs')
@@ -182,6 +183,12 @@ function toJavaScript(psModule) {
         })
     }
 
+    const main = options.mainModule[psModule.name];
+
+    if (main) {
+      js = `${js}\nmodule.exports.${main}(module)();`;
+    }
+
     return js
   })
 }