From 970bd325f1740bc38b9c0bd9dfc67938189c31d9 Mon Sep 17 00:00:00 2001
From: 3urobeat <35304405+HerrEurobeat@users.noreply.github.com>
Date: Mon, 26 Jun 2023 12:20:27 +0200
Subject: [PATCH 1/4] Add clearPicsCache() function to clear cache content

---
 components/apps.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/components/apps.js b/components/apps.js
index 8acf06f2..1bf7bcae 100644
--- a/components/apps.js
+++ b/components/apps.js
@@ -567,6 +567,23 @@ class SteamUserApps extends SteamUserAppAuth {
 		}
 	}
 
+	/**
+	 * Clears the current picsCache content.
+	 * Make sure to disable 'changelistUpdateInterval' if the cache should not get repopulated.
+	 */
+	clearPicsCache() {
+		if (!this.options.enablePicsCache) {
+			throw new Error("PICS cache is not enabled.");
+		}
+
+		// Reset cache back to default
+		this.picsCache = {
+			changenumber: 0,
+			apps: {},
+			packages: {}
+		};
+	}
+
 	/**
 	 * @protected
 	 */

From 3adef959802fd19d74b1116c4c1b66b8bf24625b Mon Sep 17 00:00:00 2001
From: 3urobeat <35304405+HerrEurobeat@users.noreply.github.com>
Date: Mon, 26 Jun 2023 13:38:31 +0200
Subject: [PATCH 2/4] Save type of stored jobs

---
 components/03-messages.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/03-messages.js b/components/03-messages.js
index 80022c26..25a5e2c7 100644
--- a/components/03-messages.js
+++ b/components/03-messages.js
@@ -438,6 +438,7 @@ class SteamUserMessages extends SteamUserConnection {
 		if (callback) {
 			jobIdSource = ++this._currentJobID;
 			this._jobs[jobIdSource] = callback;
+			this._jobs[jobIdSource].type = emsg; // Save type of this job to be able to filter the object later on
 
 			// Clean up old job callbacks after 2 minutes
 			this._jobCleanupTimers.push(setTimeout(() => delete this._jobs[jobIdSource], 1000 * 60 * 2));

From f2827d6c2dcd3f9126c8a64483c46032e16363c0 Mon Sep 17 00:00:00 2001
From: 3urobeat <35304405+HerrEurobeat@users.noreply.github.com>
Date: Mon, 26 Jun 2023 13:51:08 +0200
Subject: [PATCH 3/4] Filter jobs object for PICS data for garbage collection

---
 components/apps.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/components/apps.js b/components/apps.js
index 1bf7bcae..fd718bb2 100644
--- a/components/apps.js
+++ b/components/apps.js
@@ -582,6 +582,17 @@ class SteamUserApps extends SteamUserAppAuth {
 			apps: {},
 			packages: {}
 		};
+
+		// Filter jobs object for left over references to the old picsCache content so it will be garbage collected instantly
+		Object.keys(this._jobs).forEach((e) => {
+			let k = this._jobs[e];
+
+			if (k.type && [ EMsg.ClientPICSChangesSinceRequest, EMsg.ClientPICSProductInfoRequest, EMsg.ClientPICSAccessTokenRequest ].includes(k.type)) {
+				delete this._jobs[e];
+				clearTimeout(this._jobCleanupTimers[e]);
+				delete this._jobCleanupTimers[e];
+			}
+		});
 	}
 
 	/**

From 38180a2cb6e15a14a0f91db9a20ec018235e8710 Mon Sep 17 00:00:00 2001
From: 3urobeat <35304405+HerrEurobeat@users.noreply.github.com>
Date: Mon, 26 Jun 2023 14:11:50 +0200
Subject: [PATCH 4/4] Add clearPicsCache() to documentation

---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 33613527..4569ea9f 100644
--- a/README.md
+++ b/README.md
@@ -1059,6 +1059,15 @@ If `filter` is a boolean, it is interpreted as `excludeShared` for backward comp
 `ownsPackage(16018, true)` is the same as `ownsPackage(16018, {excludeShared: true})`.
 This usage is deprecated and will be removed in a future release.
 
+### clearPicsCache()
+
+**v4.xx.x or later is required to use this method**  
+
+Clears the content of the `picsCache` object and removes any associated jobs to free memory.  
+Make sure to disable [`changelistUpdateInterval`](#changelistUpdateInterval) if the cache should not get repopulated.  
+
+`enablePicsCache` must be `true` to use this method. Otherwise, an `Error` will be thrown.  
+
 ### getStoreTagNames(language, tagIDs, callback)
 - `language` - The language you want tag names in, e.g. "english" or "spanish"
 - `tagIDs` - An array of one or more tag IDs