Reland "Create an old program to be used in snapshot." (#3747)

* read CLI assets from disk during snapshotting

1 files changed, 4 insertions, 1 deletions

diff --git a/cli/js/dispatch.ts b/cli/js/dispatch.ts
index 073c32f7a..f5049cca8 100644
--- a/cli/js/dispatch.ts
+++ b/cli/js/dispatch.ts
@@ -70,12 +70,15 @@ export let OP_TRUNCATE: number;
 export let OP_MAKE_TEMP_DIR: number;
 export let OP_CWD: number;
 export let OP_CONNECT_TLS: number;
-export let OP_FETCH_ASSET: number;
 export let OP_HOSTNAME: number;
 export let OP_OPEN_PLUGIN: number;
 export let OP_COMPILE: number;
 export let OP_TRANSPILE: number;
 
+/** **WARNING:** This is only available during the snapshotting process and is
+ * unavailable at runtime. */
+export let OP_FETCH_ASSET: number;
+
 const PLUGIN_ASYNC_HANDLER_MAP: Map<number, AsyncHandler> = new Map();
 
 export function setPluginAsyncHandler(