From 2f167a844741d2e619c493a16aa239ffd4dfeb3b Mon Sep 17 00:00:00 2001
From: Kai WU <kaiwu2004@gmail.com>
Date: Sat, 3 Aug 2024 09:52:35 +0800
Subject: [PATCH] hash and hmac

---
 src/njs/crypto.gleam | 24 +++++++++++++++++++++++-
 src/njs/fs.gleam     |  1 -
 src/njs/misc.gleam   |  1 -
 src/njs/njs_ffi.mjs  |  0
 src/njs/stream.gleam |  1 -
 src/njs/xml.gleam    |  1 -
 src/njs/zlib.gleam   |  1 -
 7 files changed, 23 insertions(+), 6 deletions(-)
 delete mode 100644 src/njs/fs.gleam
 delete mode 100644 src/njs/misc.gleam
 delete mode 100644 src/njs/njs_ffi.mjs
 delete mode 100644 src/njs/stream.gleam
 delete mode 100644 src/njs/xml.gleam
 delete mode 100644 src/njs/zlib.gleam

diff --git a/src/njs/crypto.gleam b/src/njs/crypto.gleam
index 4e3ceee..f2f7097 100644
--- a/src/njs/crypto.gleam
+++ b/src/njs/crypto.gleam
@@ -1,6 +1,10 @@
 import gleam/javascript/array.{type Array}
 import gleam/javascript/promise.{type Promise}
-import njs/buffer.{type ArrayBuffer, type TypedArray}
+import njs/buffer.{type ArrayBuffer, type Encoding, type TypedArray}
+
+pub type Hmac
+
+pub type Hash
 
 pub type CryptoKey
 
@@ -71,3 +75,21 @@ pub fn import_key(
   extractable e: Bool,
   usages ku: Array(String),
 ) -> Promise(CryptoKey)
+
+@external(javascript, "./crypto_ffi.mjs", "create_hash")
+pub fn create_hash(algorithm a: String) -> Hash
+
+@external(javascript, "./crypto_ffi.mjs", "hash_update")
+pub fn hash_update(hash h: Hash, data d: BitArray) -> Hash
+
+@external(javascript, "./crypto_ffi.mjs", "hash_digest")
+pub fn hash_digest(hash h: Hash, encoding e: Encoding) -> String
+
+@external(javascript, "./crypto_ffi.mjs", "create_hmac")
+pub fn create_hmac(algorithm a: String, secret k: String) -> Hmac
+
+@external(javascript, "./crypto_ffi.mjs", "hmac_update")
+pub fn hmac_update(hmac h: Hmac, data d: BitArray) -> Hmac
+
+@external(javascript, "./crypto_ffi.mjs", "hmac_digest")
+pub fn hmac_digest(hmac h: Hmac, encoding e: Encoding) -> String
diff --git a/src/njs/fs.gleam b/src/njs/fs.gleam
deleted file mode 100644
index 8b13789..0000000
--- a/src/njs/fs.gleam
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/src/njs/misc.gleam b/src/njs/misc.gleam
deleted file mode 100644
index 8b13789..0000000
--- a/src/njs/misc.gleam
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/src/njs/njs_ffi.mjs b/src/njs/njs_ffi.mjs
deleted file mode 100644
index e69de29..0000000
diff --git a/src/njs/stream.gleam b/src/njs/stream.gleam
deleted file mode 100644
index 8b13789..0000000
--- a/src/njs/stream.gleam
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/src/njs/xml.gleam b/src/njs/xml.gleam
deleted file mode 100644
index 8b13789..0000000
--- a/src/njs/xml.gleam
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/src/njs/zlib.gleam b/src/njs/zlib.gleam
deleted file mode 100644
index 8b13789..0000000
--- a/src/njs/zlib.gleam
+++ /dev/null
@@ -1 +0,0 @@
-