Make bit_array.inspect work on JS

2 files changed, 12 insertions, 2 deletions

diff --git a/src/gleam/bit_array.gleam b/src/gleam/bit_array.gleam
index 4a2e7bb..52da8cb 100644
--- a/src/gleam/bit_array.gleam
+++ b/src/gleam/bit_array.gleam
@@ -157,6 +157,7 @@ pub fn base16_encode(input: BitArray) -> String
 @external(javascript, "../gleam_stdlib.mjs", "base16_decode")
 pub fn base16_decode(input: String) -> Result(BitArray, Nil)
 
+@target(javascript)
 /// Converts a bit array to a string containing the decimal value of each byte.
 ///
 /// ## Examples
@@ -168,12 +169,17 @@ pub fn base16_decode(input: String) -> Result(BitArray, Nil)
 /// inspect(<<100, 5:3>>)
 /// // -> "<<100, 5:size(3)>>"
 /// ```
-/// 
+///
+@external(javascript, "../gleam_stdlib.mjs", "bit_array_inspect")
+pub fn inspect(input: BitArray) -> String
+
+@target(erlang)
 pub fn inspect(input: BitArray) -> String {
   do_inspect(input, "<<") <> ">>"
 }
 
-fn do_inspect(input: BitArray, accumulator: String) -> String {
+@target(erlang)
+pub fn do_inspect(input: BitArray, accumulator: String) -> String {
   case input {
     <<>> -> accumulator
 
diff --git a/src/gleam_stdlib.mjs b/src/gleam_stdlib.mjs
index 877e707..3f3fbb6 100644
--- a/src/gleam_stdlib.mjs
+++ b/src/gleam_stdlib.mjs
@@ -879,3 +879,7 @@ export function base16_decode(string) {
   }
   return new Ok(new BitArray(bytes));
 }
+
+export function bit_array_inspect(bits) {
+  return `<<${[...bits.buffer].join(", ")}>>`;
+}