From f3279089db2dac7d7176ffa385f468da85ad056e Mon Sep 17 00:00:00 2001
From: StrikerRUS <nekit94-12@hotmail.com>
Date: Fri, 6 Sep 2019 22:31:23 +0300
Subject: [PATCH] added JS file

---
 R-package/.Rbuildignore              | 2 +-
 R-package/{ => pkgdown}/_pkgdown.yml | 0
 R-package/pkgdown/extra.js           | 6 ++++++
 3 files changed, 7 insertions(+), 1 deletion(-)
 rename R-package/{ => pkgdown}/_pkgdown.yml (100%)
 create mode 100644 R-package/pkgdown/extra.js

diff --git a/R-package/.Rbuildignore b/R-package/.Rbuildignore
index 1fb7a359298e..92cef8e97c7b 100644
--- a/R-package/.Rbuildignore
+++ b/R-package/.Rbuildignore
@@ -1,7 +1,7 @@
 ^build_package.R$
 \.gitkeep$
 ^docs$
-^_pkgdown\.yml$
+^pkgdown$
 
 # Objects created by compilation
 \.o$
diff --git a/R-package/_pkgdown.yml b/R-package/pkgdown/_pkgdown.yml
similarity index 100%
rename from R-package/_pkgdown.yml
rename to R-package/pkgdown/_pkgdown.yml
diff --git a/R-package/pkgdown/extra.js b/R-package/pkgdown/extra.js
new file mode 100644
index 000000000000..643c190de51e
--- /dev/null
+++ b/R-package/pkgdown/extra.js
@@ -0,0 +1,6 @@
+$(function() {
+    if(window.location.pathname.toLocaleLowerCase().indexOf('/r/reference') != -1) {
+        /* Replace '/R/' with '/R-package/R/' in all external links to .R files of LightGBM GitHub repo */
+        $('a[href^="https://github.com/Microsoft/LightGBM/blob/master/R"][href*=".R"]').attr('href', (i, val) => { return val.replace('/R/', '/R-package/R/'); });
+    }
+});