1 files changed, 64 insertions, 0 deletions
diff --git a/vanilla/node_modules/@exodus/bytes/multi-byte.d.ts b/vanilla/node_modules/@exodus/bytes/multi-byte.d.ts
new file mode 100644
index 0000000..a62313f
--- /dev/null
+++ b/vanilla/node_modules/@exodus/bytes/multi-byte.d.ts
@@ -0,0 +1,64 @@
+/**
+ * Decode / encode the legacy multi-byte encodings according to the
+ * [Encoding standard](https://encoding.spec.whatwg.org/)
+ * ([§10](https://encoding.spec.whatwg.org/#legacy-multi-byte-chinese-(simplified)-encodings),
+ * [§11](https://encoding.spec.whatwg.org/#legacy-multi-byte-chinese-(traditional)-encodings),
+ * [§12](https://encoding.spec.whatwg.org/#legacy-multi-byte-japanese-encodings),
+ * [§13](https://encoding.spec.whatwg.org/#legacy-multi-byte-korean-encodings)).
+ *
+ * ```js
+ * import { createMultibyteDecoder, createMultibyteEncoder } from '@exodus/bytes/multi-byte.js'
+ * ```
+ *
+ * > [!WARNING]
+ * > This is a lower-level API for legacy multi-byte encodings.
+ * >
+ * > For a safe WHATWG Encoding-compatible API, see `@exodus/bytes/encoding.js` import (and variants of it).
+ * >
+ * > Be sure to know what you are doing and check documentation when directly using encodings from this file.
+ *
+ * Supports all legacy multi-byte encodings listed in the WHATWG Encoding standard:
+ * `gbk`, `gb18030`, `big5`, `euc-jp`, `iso-2022-jp`, `shift_jis`, `euc-kr`.
+ *
+ * @module @exodus/bytes/multi-byte.js
+ */
+
+/// <reference types="node" />
+
+import type { Uint8ArrayBuffer } from './array.js';
+
+/**
+ * Create a decoder for a supported legacy multi-byte `encoding`, given its lowercased name `encoding`.
+ *
+ * Returns a function `decode(arr, stream = false)` that decodes bytes to a string.
+ *
+ * The returned function will maintain internal state while `stream = true` is used, allowing it to
+ * handle incomplete multi-byte sequences across multiple calls.
+ * State is reset when `stream = false` or when the function is called without the `stream` parameter.
+ *
+ * @param encoding - The encoding name (e.g., 'gbk', 'gb18030', 'big5', 'euc-jp', 'iso-2022-jp', 'shift_jis', 'euc-kr')
+ * @param loose - If true, replaces unmapped bytes with replacement character instead of throwing (default: false)
+ * @returns A function that decodes bytes to string, with optional streaming support
+ */
+export function createMultibyteDecoder(
+  encoding: string,
+  loose?: boolean
+): (arr: Uint8Array, stream?: boolean) => string;
+
+/**
+ * Create an encoder for a supported legacy multi-byte `encoding`, given its lowercased name `encoding`.
+ *
+ * Returns a function `encode(string)` that encodes a string to bytes.
+ *
+ * In `'fatal'` mode (default), will throw on non well-formed strings or any codepoints which could
+ * not be encoded in the target encoding.
+ *
+ * @param encoding - The encoding name (e.g., 'gbk', 'gb18030', 'big5', 'euc-jp', 'iso-2022-jp', 'shift_jis', 'euc-kr')
+ * @param options - Encoding options
+ * @param options.mode - Encoding mode (default: 'fatal'). Currently, only 'fatal' mode is supported.
+ * @returns A function that encodes string to bytes
+ */
+export function createMultibyteEncoder(
+  encoding: string,
+  options?: { mode?: 'fatal' }
+): (string: string) => Uint8ArrayBuffer;