From 838904656a8b38d32a1ab897b93ab35f8b688118 Mon Sep 17 00:00:00 2001
From: Louis Pilfold <louis@lpil.uk>
Date: Wed, 28 Jul 2021 19:00:08 +0100
Subject: Bit string JS functions

---
 src/gleam_stdlib.js | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'src/gleam_stdlib.js')

diff --git a/src/gleam_stdlib.js b/src/gleam_stdlib.js
index 89908de..d18cd5e 100644
--- a/src/gleam_stdlib.js
+++ b/src/gleam_stdlib.js
@@ -107,7 +107,9 @@ export function join(xs) {
 }
 
 export function byte_size(data) {
-  if (typeof Blob === "function") {
+  if (data instanceof ArrayBuffer) {
+    return data.byteLength;
+  } else if (typeof Blob === "function") {
     return new Blob([data]).size;
   } else if (typeof Buffer === "function") {
     return Buffer.byteLength(data);
@@ -158,3 +160,18 @@ export function trim_left(string) {
 export function trim_right(string) {
   return string.trimRight();
 }
+
+export function bit_string_from_string(string) {
+  return new TextEncoder().encode(string).buffer;
+}
+
+export function bit_string_append(first, second) {
+  let array = new Uint8Array(first.byteLength + second.byteLength);
+  array.set(new Uint8Array(first), 0);
+  array.set(new Uint8Array(second), first.byteLength);
+  return array.buffer;
+}
+
+export function log(term) {
+  console.log(term);
+}
-- 
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