From 3a042cdb48dfb982e58f68faa5f3dc019df10d5e Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Wed, 12 Oct 2022 18:09:04 -0700
Subject: [PATCH] Add a comment

---
 src/js_printer.zig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/js_printer.zig b/src/js_printer.zig
index 7fca9fdcef..edb4bc35e2 100644
--- a/src/js_printer.zig
+++ b/src/js_printer.zig
@@ -1403,6 +1403,16 @@ pub fn NewPrinter(
             const record = p.import_records[import_record_index];
 
             if (comptime is_bun_platform) {
+                // "bun" is not a real module. It's just globalThis.Bun.
+                //
+                //  transform from:
+                //      const foo = await import("bun")
+                //      const bar = require("bun")
+                //
+                //  transform to:
+                //      const foo = await Promise.resolve(globalThis.Bun)
+                //      const bar = globalThis.Bun
+                //
                 if (record.tag == .bun) {
                     if (record.kind == .dynamic) {
                         p.print("Promise.resolve(globalThis.Bun)");