From b9ae3e72577a857938fe5727bb87ee2249c76473 Mon Sep 17 00:00:00 2001
From: Alessio Vanni <vannilla@firemail.cc>
Date: Wed, 24 Jul 2019 13:06:10 +0200
Subject: Add missing function

---
 js/assets.js | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/js/assets.js b/js/assets.js
index e62bb5d..6e9c1f6 100644
--- a/js/assets.js
+++ b/js/assets.js
@@ -224,6 +224,47 @@
 	getCacheRegistry(onReady);
     };
 
+    let cacheRemove = function (pattern, callback) {
+	let onReady = function (cache) {
+	    let entries = [];
+
+	    for (let key in cache) {
+		if (pattern instanceof RegExp && !pattern.test(key)) {
+		    continue;
+		}
+
+		if (typeof pattern === 'string' && key !== pattern) {
+		    continue;
+		}
+
+		entries.push(key);
+
+		delete cache[key];
+	    }
+
+	    if (entries.length !== 0) {
+		vAPI.cacheStorage.remove(content);
+
+		let bin = {
+		    assetCacheRegistry: cache,
+		};
+		vAPI.cacheStorage.set(bin);
+	    }
+
+	    if (typeof callback === 'function') {
+		callback();
+	    }
+
+	    for (let i=0; i<entries.length; ++i) {
+		notifyObservers('after-asset-updated', {
+		    assetKey: entries[i],
+		});
+	    }
+	};
+
+	getCacheRegistry(onReady);
+    };
+
     let markDirtyCache = function (pattern, exclude, callback) {
 	let onReady = function (registry) {
 	    let entry;
-- 
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