From 37b0a263bfb44a358c810348554ac7bfdb3745d4 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jo@mein.io>
Date: Tue, 28 Jan 2020 11:14:15 +0100
Subject: [PATCH] luci-base: add L.media() URL construction helper

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit b60b4790d1b1b8d52657c0c9ba91da86d0b8a28d)
---
 .../htdocs/luci-static/resources/luci.js      | 22 +++++++++++++++++++
 modules/luci-base/luasrc/view/header.htm      |  1 +
 2 files changed, 23 insertions(+)

diff --git a/modules/luci-base/htdocs/luci-static/resources/luci.js b/modules/luci-base/htdocs/luci-static/resources/luci.js
index 808ab0c5c..b281da5e5 100644
--- a/modules/luci-base/htdocs/luci-static/resources/luci.js
+++ b/modules/luci-base/htdocs/luci-static/resources/luci.js
@@ -1748,6 +1748,28 @@
 			return this.path(this.env.resource, arguments);
 		},
 
+		/**
+		 * Construct an URL path relative to the media resource path of the
+		 * LuCI ui (usually `/luci-static/$theme_name`).
+		 *
+		 * The resulting URL is guaranteed to only contain the characters
+		 * `a-z`, `A-Z`, `0-9`, `_`, `.`, `%`, `,`, `;`, and `-` as well
+		 * as `/` for the path separator.
+		 *
+		 * @instance
+		 * @memberof LuCI
+		 *
+		 * @param {string[]} [parts]
+		 * An array of parts to join into an URL path. Parts may contain
+		 * slashes and any of the other characters mentioned above.
+		 *
+		 * @return {string}
+		 * Returns the resulting URL path.
+		 */
+		media: function() {
+			return this.path(this.env.media, arguments);
+		},
+
 		/**
 		 * Return the complete URL path to the current view.
 		 *
diff --git a/modules/luci-base/luasrc/view/header.htm b/modules/luci-base/luasrc/view/header.htm
index 1ef0e5b01..08911c7f5 100644
--- a/modules/luci-base/luasrc/view/header.htm
+++ b/modules/luci-base/luasrc/view/header.htm
@@ -18,6 +18,7 @@
 <script type="text/javascript">
 	L = new LuCI(<%= luci.http.write_json({
 		token          = token,
+		media          = media,
 		resource       = resource,
 		scriptname     = luci.http.getenv("SCRIPT_NAME"),
 		pathinfo       = luci.http.getenv("PATH_INFO"),
-- 
2.25.1