From 3ea39841c8049525e31e9f4d6300f0c60cdb42de Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 24 Jan 2023 13:33:51 +0100
Subject: Adding upstream version 5.2.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 js/src/dom/data.js | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 js/src/dom/data.js

(limited to 'js/src/dom/data.js')

diff --git a/js/src/dom/data.js b/js/src/dom/data.js
new file mode 100644
index 0000000..2c6a46e
--- /dev/null
+++ b/js/src/dom/data.js
@@ -0,0 +1,55 @@
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v5.2.3): dom/data.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+/**
+ * Constants
+ */
+
+const elementMap = new Map()
+
+export default {
+  set(element, key, instance) {
+    if (!elementMap.has(element)) {
+      elementMap.set(element, new Map())
+    }
+
+    const instanceMap = elementMap.get(element)
+
+    // make it clear we only want one instance per element
+    // can be removed later when multiple key/instances are fine to be used
+    if (!instanceMap.has(key) && instanceMap.size !== 0) {
+      // eslint-disable-next-line no-console
+      console.error(`Bootstrap doesn't allow more than one instance per element. Bound instance: ${Array.from(instanceMap.keys())[0]}.`)
+      return
+    }
+
+    instanceMap.set(key, instance)
+  },
+
+  get(element, key) {
+    if (elementMap.has(element)) {
+      return elementMap.get(element).get(key) || null
+    }
+
+    return null
+  },
+
+  remove(element, key) {
+    if (!elementMap.has(element)) {
+      return
+    }
+
+    const instanceMap = elementMap.get(element)
+
+    instanceMap.delete(key)
+
+    // free up element references if there are no instances left for an element
+    if (instanceMap.size === 0) {
+      elementMap.delete(element)
+    }
+  }
+}
-- 
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