From e4fa1e69e7ebfb627c7198fd1a9881e9327ec4d4 Mon Sep 17 00:00:00 2001
From: Pinapelz <yukais@pinapelz.com>
Date: Sat, 28 Jun 2025 17:26:46 -0700
Subject: initial commit: scaffolding

---
 node_modules/rxjs/src/internal/util/Immediate.ts | 45 ++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 node_modules/rxjs/src/internal/util/Immediate.ts

(limited to 'node_modules/rxjs/src/internal/util/Immediate.ts')

diff --git a/node_modules/rxjs/src/internal/util/Immediate.ts b/node_modules/rxjs/src/internal/util/Immediate.ts
new file mode 100644
index 0000000..f01f546
--- /dev/null
+++ b/node_modules/rxjs/src/internal/util/Immediate.ts
@@ -0,0 +1,45 @@
+let nextHandle = 1;
+// The promise needs to be created lazily otherwise it won't be patched by Zones
+let resolved: Promise<any>;
+const activeHandles: { [key: number]: any } = {};
+
+/**
+ * Finds the handle in the list of active handles, and removes it.
+ * Returns `true` if found, `false` otherwise. Used both to clear
+ * Immediate scheduled tasks, and to identify if a task should be scheduled.
+ */
+function findAndClearHandle(handle: number): boolean {
+  if (handle in activeHandles) {
+    delete activeHandles[handle];
+    return true;
+  }
+  return false;
+}
+
+/**
+ * Helper functions to schedule and unschedule microtasks.
+ */
+export const Immediate = {
+  setImmediate(cb: () => void): number {
+    const handle = nextHandle++;
+    activeHandles[handle] = true;
+    if (!resolved) {
+      resolved = Promise.resolve();
+    }
+    resolved.then(() => findAndClearHandle(handle) && cb());
+    return handle;
+  },
+
+  clearImmediate(handle: number): void {
+    findAndClearHandle(handle);
+  },
+};
+
+/**
+ * Used for internal testing purposes only. Do not export from library.
+ */
+export const TestTools = {
+  pending() {
+    return Object.keys(activeHandles).length;
+  }
+};
-- 
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