From f6293b0c88168cbfe635f414f8f178bef1033590 Mon Sep 17 00:00:00 2001
From: Caleb <inchristalway-tech4him@yahoo.com>
Date: Tue, 9 Jan 2018 14:10:04 -0700
Subject: [PATCH 1/3] Support extensions with multiple parts (i.e. `en.md`)

---
 src/backends/github/implementation.js    | 3 +--
 src/backends/test-repo/implementation.js | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/backends/github/implementation.js b/src/backends/github/implementation.js
index f357b6c82ff9..19947dd35865 100644
--- a/src/backends/github/implementation.js
+++ b/src/backends/github/implementation.js
@@ -1,6 +1,5 @@
 import trimStart from 'lodash/trimStart';
 import semaphore from "semaphore";
-import { fileExtension } from 'Lib/pathHelper'
 import AuthenticationPage from "./AuthenticationPage";
 import API from "./API";
 
@@ -53,7 +52,7 @@ export default class GitHub {
 
   entriesByFolder(collection, extension) {
     return this.api.listFiles(collection.get("folder"))
-    .then(files => files.filter(file => fileExtension(file.name) === extension))
+    .then(files => files.filter(file => file.name.endsWith('.' + extension)))
     .then(this.fetchFiles);
   }
 
diff --git a/src/backends/test-repo/implementation.js b/src/backends/test-repo/implementation.js
index 55a723ded3ef..40d9b1238a53 100644
--- a/src/backends/test-repo/implementation.js
+++ b/src/backends/test-repo/implementation.js
@@ -1,6 +1,5 @@
 import { remove, attempt, isError } from 'lodash';
 import uuid from 'uuid/v4';
-import { fileExtension } from 'Lib/pathHelper'
 import AuthenticationPage from './AuthenticationPage';
 
 window.repoFiles = window.repoFiles || {};
@@ -45,7 +44,7 @@ export default class TestRepo {
     const folder = collection.get('folder');
     if (folder) {
       for (const path in window.repoFiles[folder]) {
-        if (fileExtension(path) !== extension) {
+        if (!path.endsWith('.' + extension)) {
           continue;
         }
 

From e2f8d492485bc8bd77a620e9e057f842499ffdd4 Mon Sep 17 00:00:00 2001
From: Caleb <inchristalway-tech4him@yahoo.com>
Date: Tue, 20 Feb 2018 17:36:42 -0700
Subject: [PATCH 2/3] Strip entire extension from slug, not just last
 extension.

---
 src/reducers/collections.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/reducers/collections.js b/src/reducers/collections.js
index bddf78a713e0..b012f63ff941 100644
--- a/src/reducers/collections.js
+++ b/src/reducers/collections.js
@@ -1,5 +1,5 @@
 import { OrderedMap, fromJS } from 'immutable';
-import { has, get } from 'lodash';
+import { has, get, escapeRegExp } from 'lodash';
 import consoleError from 'Lib/consoleError';
 import { CONFIG_SUCCESS } from 'Actions/config';
 import { FILES, FOLDER } from 'Constants/collectionTypes';
@@ -57,7 +57,7 @@ const selectors = {
       return `${ collection.get('folder').replace(/\/$/, '') }/${ slug }.${ this.entryExtension(collection) }`;
     },
     entrySlug(collection, path) {
-      return path.split('/').pop().replace(/\.[^\.]+$/, '');
+      return path.split('/').pop().replace(new RegExp(`\.${ escapeRegExp(this.entryExtension(collection)) }$`), '');
     },
     listMethod() {
       return 'entriesByFolder';

From e2729eb93f3d6dc12d1b918bfec4922331382a46 Mon Sep 17 00:00:00 2001
From: Caleb <inchristalway-tech4him@yahoo.com>
Date: Tue, 27 Feb 2018 09:49:57 -0700
Subject: [PATCH 3/3] Clean leading periods from extensions.

---
 src/reducers/collections.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/reducers/collections.js b/src/reducers/collections.js
index b012f63ff941..9f798baf9a37 100644
--- a/src/reducers/collections.js
+++ b/src/reducers/collections.js
@@ -48,7 +48,7 @@ function validateCollection(configCollection) {
 const selectors = {
   [FOLDER]: {
     entryExtension(collection) {
-      return collection.get('extension') || formatToExtension(collection.get('format') || 'frontmatter');
+      return (collection.get('extension') || formatToExtension(collection.get('format') || 'frontmatter')).replace(/^\./, '');
     },
     fields(collection) {
       return collection.get('fields');