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node_modules/svelte-toolbelt/dist/utils/events.js

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+/**
+ * Adds an event listener to the specified target element(s) for the given event(s), and returns a function to remove it.
+ * @param target The target element(s) to add the event listener to.
+ * @param event The event(s) to listen for.
+ * @param handler The function to be called when the event is triggered.
+ * @param options An optional object that specifies characteristics about the event listener.
+ * @returns A function that removes the event listener from the target element(s).
+ */
+export function addEventListener(target, event, handler, options) {
+    const events = Array.isArray(event) ? event : [event];
+    // Add the event listener to each specified event for the target element(s).
+    events.forEach((_event) => target.addEventListener(_event, handler, options));
+    // Return a function that removes the event listener from the target element(s).
+    return () => {
+        events.forEach((_event) => target.removeEventListener(_event, handler, options));
+    };
+}