Vendor lz4js

This allows the browser tests to run fine, also convert to TS code for
more type accuracy

Author: coyotte508

packages/hub/.eslintignore

@@ -1,2 +1,3 @@
 dist
 sha256.js
+src/vendor

packages/hub/package.json

@@ -59,11 +59,9 @@
 	"author": "Hugging Face",
 	"license": "MIT",
 	"devDependencies": {
-		"@types/lz4js": "^0.2.1",
 		"@types/node": "^20.11.28"
 	},
 	"dependencies": {
-		"@huggingface/tasks": "workspace:^",
-		"lz4js": "^0.2.0"
+		"@huggingface/tasks": "workspace:^"
 	}
 }

packages/hub/pnpm-lock.yaml

@@ -3,7 +3,7 @@ import { createApiError } from "../error";
 import type { CredentialsParams, RepoDesignation, RepoId } from "../types/public";
 import { checkCredentials } from "./checkCredentials";
 import { toRepoId } from "./toRepoId";
-import lz4 from "lz4js";
+import { decompress as lz4Decompress } from "../vendor/lz4js";
 
 const JWT_SAFETY_PERIOD = 60_000;
 const JWT_CACHE_SIZE = 1_000;
@@ -272,10 +272,7 @@ export class XetBlob extends Blob {
 
 							const uncompressed =
 								chunkHeader.compression_scheme === CompressionScheme.LZ4
-									? lz4.decompress(
-											result.value.slice(0, chunkHeader.compressed_length),
-											chunkHeader.uncompressed_length
-									  )
+									? lz4Decompress(result.value.slice(0, chunkHeader.compressed_length), chunkHeader.uncompressed_length)
 									: result.value.slice(0, chunkHeader.compressed_length);
 
 							if (readBytesToSkip) {

packages/hub/src/utils/XetBlob.ts

@@ -0,0 +1,11 @@
+ISC License
+
+Copyright 2019 John Chadwick
+
+Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+---
+
+Note: this license is not actually included in https://github.com/Benzinga/lz4js, but the package.json specifies the ISC license