From e077b93d77d42f805ceb7a58cdc3c42255c0a30b Mon Sep 17 00:00:00 2001
From: Kitson Kelly <me@kitsonkelly.com>
Date: Thu, 1 Oct 2020 20:33:15 +1000
Subject: refactor: add concept of 'legacy' compiler to enable non-breaking
 refactoring (#7762)

---
 cli/tsc.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'cli/tsc.rs')

diff --git a/cli/tsc.rs b/cli/tsc.rs
index 9b944125f..f1e49167a 100644
--- a/cli/tsc.rs
+++ b/cli/tsc.rs
@@ -942,6 +942,11 @@ impl TsCompiler {
   }
 }
 
+#[derive(Debug, Deserialize)]
+struct CreateHashArgs {
+  data: String,
+}
+
 fn execute_in_tsc(
   global_state: Arc<GlobalState>,
   req: String,
@@ -975,6 +980,14 @@ fn execute_in_tsc(
         Ok(json!({}))
       }),
     );
+    js_runtime.register_op(
+      "op_create_hash",
+      json_op_sync(move |_s, args, _bufs| {
+        let v: CreateHashArgs = serde_json::from_value(args)?;
+        let hash = crate::checksum::gen(&[v.data.as_bytes()]);
+        Ok(json!({ "hash": hash }))
+      }),
+    );
   }
 
   let bootstrap_script = format!(
-- 
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