1 files changed, 0 insertions, 98 deletions
diff --git a/cli/util/text_encoding.rs b/cli/util/text_encoding.rs
index 56b02e7de..25d827eb6 100644
--- a/cli/util/text_encoding.rs
+++ b/cli/util/text_encoding.rs
@@ -3,58 +3,6 @@
 use base64::prelude::BASE64_STANDARD;
 use base64::Engine;
 use deno_core::ModuleCodeString;
-use encoding_rs::*;
-use std::borrow::Cow;
-use std::io::Error;
-use std::io::ErrorKind;
-
-pub const BOM_CHAR: char = '\u{FEFF}';
-
-/// Attempts to detect the character encoding of the provided bytes.
-///
-/// Supports UTF-8, UTF-16 Little Endian and UTF-16 Big Endian.
-pub fn detect_charset(bytes: &'_ [u8]) -> &'static str {
-  const UTF16_LE_BOM: &[u8] = b"\xFF\xFE";
-  const UTF16_BE_BOM: &[u8] = b"\xFE\xFF";
-
-  if bytes.starts_with(UTF16_LE_BOM) {
-    "utf-16le"
-  } else if bytes.starts_with(UTF16_BE_BOM) {
-    "utf-16be"
-  } else {
-    // Assume everything else is utf-8
-    "utf-8"
-  }
-}
-
-/// Attempts to convert the provided bytes to a UTF-8 string.
-///
-/// Supports all encodings supported by the encoding_rs crate, which includes
-/// all encodings specified in the WHATWG Encoding Standard, and only those
-/// encodings (see: <https://encoding.spec.whatwg.org/>).
-pub fn convert_to_utf8<'a>(
-  bytes: &'a [u8],
-  charset: &'_ str,
-) -> Result<Cow<'a, str>, Error> {
-  match Encoding::for_label(charset.as_bytes()) {
-    Some(encoding) => encoding
-      .decode_without_bom_handling_and_without_replacement(bytes)
-      .ok_or_else(|| ErrorKind::InvalidData.into()),
-    None => Err(Error::new(
-      ErrorKind::InvalidInput,
-      format!("Unsupported charset: {charset}"),
-    )),
-  }
-}
-
-/// Strips the byte order mark from the provided text if it exists.
-pub fn strip_bom(text: &str) -> &str {
-  if text.starts_with(BOM_CHAR) {
-    &text[BOM_CHAR.len_utf8()..]
-  } else {
-    text
-  }
-}
 
 static SOURCE_MAP_PREFIX: &[u8] =
   b"//# sourceMappingURL=data:application/json;base64,";
@@ -91,52 +39,6 @@ pub fn code_without_source_map(mut code: ModuleCodeString) -> ModuleCodeString {
 mod tests {
   use super::*;
 
-  fn test_detection(test_data: &[u8], expected_charset: &str) {
-    let detected_charset = detect_charset(test_data);
-    assert_eq!(
-      expected_charset.to_lowercase(),
-      detected_charset.to_lowercase()
-    );
-  }
-
-  #[test]
-  fn test_detection_utf8_no_bom() {
-    let test_data = "Hello UTF-8 it is \u{23F0} for Deno!"
-      .to_owned()
-      .into_bytes();
-    test_detection(&test_data, "utf-8");
-  }
-
-  #[test]
-  fn test_detection_utf16_little_endian() {
-    let test_data = b"\xFF\xFEHello UTF-16LE".to_owned().to_vec();
-    test_detection(&test_data, "utf-16le");
-  }
-
-  #[test]
-  fn test_detection_utf16_big_endian() {
-    let test_data = b"\xFE\xFFHello UTF-16BE".to_owned().to_vec();
-    test_detection(&test_data, "utf-16be");
-  }
-
-  #[test]
-  fn test_decoding_unsupported_charset() {
-    let test_data = Vec::new();
-    let result = convert_to_utf8(&test_data, "utf-32le");
-    assert!(result.is_err());
-    let err = result.expect_err("Err expected");
-    assert!(err.kind() == ErrorKind::InvalidInput);
-  }
-
-  #[test]
-  fn test_decoding_invalid_utf8() {
-    let test_data = b"\xFE\xFE\xFF\xFF".to_vec();
-    let result = convert_to_utf8(&test_data, "utf-8");
-    assert!(result.is_err());
-    let err = result.expect_err("Err expected");
-    assert!(err.kind() == ErrorKind::InvalidData);
-  }
-
   #[test]
   fn test_source_without_source_map() {
     run_test("", "");