From 42650fffc46bb29bc26b4e4d1c2eda8d866a66ba Mon Sep 17 00:00:00 2001
From: vseventer <mark@vseventer.com>
Date: Sun, 24 May 2020 09:17:01 -0400
Subject: [PATCH] Pass data to pagination before callback.

---
 src/Plugins/Pagination.js                  |  2 +-
 test/PaginationTest.js                     | 12 ++++++++++++
 test/stubs/paged/paged-before-metadata.njk | 14 ++++++++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 test/stubs/paged/paged-before-metadata.njk

diff --git a/src/Plugins/Pagination.js b/src/Plugins/Pagination.js
index d94d4e61a..74470a71f 100644
--- a/src/Plugins/Pagination.js
+++ b/src/Plugins/Pagination.js
@@ -120,7 +120,7 @@ class Pagination {
       typeof this.data.pagination.before === "function"
     ) {
       // we don’t need to make a copy of this because we already .filter() above
-      result = this.data.pagination.before(result);
+      result = this.data.pagination.before(result, this.data);
     }
 
     if (this.data.pagination.reverse === true) {
diff --git a/test/PaginationTest.js b/test/PaginationTest.js
index f0e807cb2..1bd4f967e 100644
--- a/test/PaginationTest.js
+++ b/test/PaginationTest.js
@@ -606,6 +606,18 @@ test("Pagination `before` Callback", async t => {
   t.deepEqual(templates[0].data.myalias, "item6");
 });
 
+test("Pagination `before` Callback with metadata", async t => {
+  let tmpl = new Template(
+    "./test/stubs/paged/paged-before-metadata.njk",
+    "./test/stubs/",
+    "./dist"
+  );
+
+  let data = await tmpl.getData();
+  let templates = await tmpl.getTemplates(data);
+  t.deepEqual(templates[0].data.pagination.items, ["item3"]);
+});
+
 test("Pagination `before` Callback with a Filter", async t => {
   let tmpl = new Template(
     "./test/stubs/paged/paged-before-filter.njk",
diff --git a/test/stubs/paged/paged-before-metadata.njk b/test/stubs/paged/paged-before-metadata.njk
new file mode 100644
index 000000000..62a857056
--- /dev/null
+++ b/test/stubs/paged/paged-before-metadata.njk
@@ -0,0 +1,14 @@
+---js
+{
+  keyword: "item3",
+  pagination: {
+    data: "items",
+    size: 1,
+    before: function(data, metadata) {
+      return data.filter(el => el === metadata.keyword);
+    }
+  },
+  items: ["item1", "item2", "item3", "item4", "item5", "item6"]
+}
+---
+<ol>{% for item in pagination.items %}<li>{{ item }}</li>{% endfor %}</ol>