From f4ac3dbce414a9a4f155433f61bf53a17aa71860 Mon Sep 17 00:00:00 2001
From: Lu Nelson <lunelson@gmail.com>
Date: Sun, 16 Dec 2018 18:06:50 +0100
Subject: [PATCH] allow functions option to be a function of loaderContext; add
 test

---
 lib/normalizeOptions.js | 5 +++++
 test/index.test.js      | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/lib/normalizeOptions.js b/lib/normalizeOptions.js
index 3dde5253..1e59a6d2 100644
--- a/lib/normalizeOptions.js
+++ b/lib/normalizeOptions.js
@@ -23,6 +23,11 @@ function normalizeOptions(loaderContext, content, webpackImporter) {
   const options = cloneDeep(utils.getOptions(loaderContext)) || {};
   const { resourcePath } = loaderContext;
 
+  // allow opt.functions to be configured WRT loaderContext
+  if (typeof options.functions === 'function') {
+    options.functions = options.functions(loaderContext);
+  }
+
   let { data } = options;
 
   if (typeof options.data === 'function') {
diff --git a/test/index.test.js b/test/index.test.js
index 58d20dea..fcdb51b6 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -190,6 +190,13 @@ implementations.forEach((implementation) => {
             execTest('custom-functions', {
               functions: customFunctions(implementation),
             }));
+          it('should expose custom functions if the option is a function', () =>
+            execTest('custom-functions', {
+              functions: (loaderContext) => {
+                should.exist(loaderContext);
+                return customFunctions(implementation);
+              },
+            }));
         });
         describe('prepending data', () => {
           it('should extend the data option if present and it is string', () =>