refactor(cli): add tsc2 (#7942)

Ref #7225 

1 files changed, 20 insertions, 3 deletions

diff --git a/cli/checksum.rs b/cli/checksum.rs
index 41e15db2f..a86f527c0 100644
--- a/cli/checksum.rs
+++ b/cli/checksum.rs
@@ -1,9 +1,12 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
-pub fn gen(v: &[&[u8]]) -> String {
-  let mut ctx = ring::digest::Context::new(&ring::digest::SHA256);
+use ring::digest::Context;
+use ring::digest::SHA256;
+
+pub fn gen(v: &[impl AsRef<[u8]>]) -> String {
+  let mut ctx = Context::new(&SHA256);
   for src in v {
-    ctx.update(src);
+    ctx.update(src.as_ref());
   }
   let digest = ctx.finish();
   let out: Vec<String> = digest
@@ -13,3 +16,17 @@ pub fn gen(v: &[&[u8]]) -> String {
     .collect();
   out.join("")
 }
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+
+  #[test]
+  fn test_gen() {
+    let actual = gen(&[b"hello world"]);
+    assert_eq!(
+      actual,
+      "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
+    );
+  }
+}