From 4300b82e24862dc119dc7842ee82679740c63f9d Mon Sep 17 00:00:00 2001
From: Samuel Reed <sam@bitmex.com>
Date: Fri, 28 Feb 2020 18:04:31 -0500
Subject: [PATCH] Provide scriptExtensions option

Backport of https://github.com/strongloop/loopback-boot/pull/240
with some simplifications for this version
---
 lib/compiler.js | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/lib/compiler.js b/lib/compiler.js
index fdc0047..27a7f82 100644
--- a/lib/compiler.js
+++ b/lib/compiler.js
@@ -40,9 +40,18 @@ module.exports = function compile(options) {
     ConfigLoader.loadDataSources(dsRootDir, env);
   assertIsValidConfig('data source', dataSourcesConfig);
 
+  // backport https://github.com/strongloop/loopback-boot/pull/240/
+  var scriptExtensions = options.scriptExtensions ||
+    Object.keys(require.extensions);
+  if (!Array.isArray(scriptExtensions) || !scriptExtensions.length) {
+    scriptExtensions = ['.js', '.json', '.node'];
+  }
+
   // require directories
-  var modelsScripts = findScripts(path.join(modelsRootDir, 'models'));
-  var bootScripts = findScripts(path.join(appRootDir, 'boot'));
+  var modelsScripts = findScripts(path.join(modelsRootDir, 'models'),
+    scriptExtensions);
+  var bootScripts = findScripts(path.join(appRootDir, 'boot'),
+    scriptExtensions);
 
   // When executor passes the instruction to loopback methods,
   // loopback modifies the data. Since we are loading the data using `require`,
@@ -73,7 +82,7 @@ function assertIsValidConfig(name, config) {
  * @private
  */
 
-function findScripts(dir) {
+function findScripts(dir, scriptExtensions) {
   assert(dir, 'cannot require directory contents without directory name');
 
   var files = tryReadDir(dir);
@@ -105,10 +114,11 @@ function findScripts(dir) {
 
     // only require files supported by require.extensions (.txt .md etc.)
     if (stats.isFile()) {
-      if (ext in require.extensions)
+      if (scriptExtensions.indexOf(ext) !== -1) {
         results.push(filepath);
-      else
+      } else {
         debug('Skipping file %s - unknown extension', filepath);
+      }
     } else {
       try {
         path.join(require.resolve(filepath));