typings: improve internal binding types

- Add typing for 'encoding_binding'

PR-URL: #59351
Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>

Author: meteorqz6

typings/globals.d.ts

@@ -4,6 +4,7 @@ import { BlobBinding } from './internalBinding/blob';
 import { ConfigBinding } from './internalBinding/config';
 import { ConstantsBinding } from './internalBinding/constants';
 import { DebugBinding } from './internalBinding/debug';
+import { EncodingBinding } from './internalBinding/encoding_binding';
 import { HttpParserBinding } from './internalBinding/http_parser';
 import { InspectorBinding } from './internalBinding/inspector';
 import { FsBinding } from './internalBinding/fs';
@@ -34,6 +35,7 @@ interface InternalBindingMap {
   config: ConfigBinding;
   constants: ConstantsBinding;
   debug: DebugBinding;
+  encoding_binding: EncodingBinding;
   fs: FsBinding;
   fs_dir: FsDirBinding;
   http_parser: HttpParserBinding;

typings/internalBinding/encoding_binding.d.ts

@@ -0,0 +1,8 @@
+export interface EncodingBinding {
+  encodeInto(source: string, dest: Uint8Array): void;
+  encodeUtf8String(str: string): Uint8Array;
+  decodeUTF8(buffer: ArrayBufferView | ArrayBuffer | SharedArrayBuffer, ignoreBOM?: boolean, hasFatal?: boolean): string;
+  toASCII(input: string): string;
+  toUnicode(input: string): string;
+  decodeLatin1(buffer: ArrayBufferView | ArrayBuffer | SharedArrayBuffer, ignoreBOM?: boolean, hasFatal?: boolean): string;
+}