Sync bun-polyfills branch (#4081)

* bun-polyfills: initial impl. & baseline refactor

* move @types/ws dep from root to /test/

* bun-types: remove ReadableStream.forEach method
(this does not exist, probably added by mistake)

* bun-polyfills: remove extraneous stream utils

* bun-polyfills: add types syncing file

* bun-polyfills: re-arrange global polyfills

* bun-polyfills: fix FileBlob streams types again

* bun-polyfills: sync all of @types/node

* bun-polyfills: typeguard all current polyfills

* bun-polyfills: fix import paths

* bun-polyfills: switch to wasm impl. of farmhash

* bun-polyfills: support default import of bun obj

* bun-polyfills: transpiler placeholder file

* bun-polyfills: loaderless import.meta polyfill

* bun-polyfills: refactor import.meta polyfill

* bun-polyfills: repl entrypoint & todo list index

* bun-types: Add null to return type of Bun.which

* bun-types: match Bun.sha with Bun.hash.SHA512_256

* bun-polyfills: new "repl" package.json script

* bun-polyfills: full refactor of toplevel hashes

* bun-polyfills: these are fixed

* bun-types: NODE_ENV is optional

* bun-polyfills: fix Bun.env types

* bun-types+polyfills: fix HeapSnapshot.version type

* bun-polyfills: fix some web streams type conflicts

* bun-polyfills: update internal FileBlob.slice

* bun-polyfills: fix subproc stdin conversions

* bun-polyfills: better internal fileblob types

* bun-polyfills: try to sync global performance type

* bun-polyfills: working zig wasm polyfills setup

* bun-polyfills: update scripts

* bun-polyfills: fix wasm file location resolution

* bun-polyfills: goodbye farmhash (replaced by zig)

* bun-polyfills: move all Bun.hash polyfills to zig

* bun-polyfills: reimpl. seeding of seeded hashes

* bun-polyfills: impl. undocumented murmur32v2

* bun-polyfills: switch zighash from jsdoc to .d.ts

* bun-types: partial fix of Hash types

* bun-polyfills: documented Hash.murmur32v2

* bun-polyfills: misc updates

* bun-polyfills: enable sourcemaps

* bun-polyfills: handle empty inputs to hash funcs

* bun-types: narrow down hash func types

* bun-polyfills: remove unnecessary bigint casts

* bun-polyfills: impl. Bun.isMainThread

* bun-polyfills: impl. Bun.sleep and fix sleepSync

* bun-polyfills: impl. indexOfLine

* bun-polyfills: impl. Bun.peek.status

* bun-types: fix hashing test

---------

Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/packages/bun-polyfills/src/utils/misc.ts b/packages/bun-polyfills/src/utils/misc.ts
new file mode 100644
index 000000000..74bb9aa01
--- /dev/null
+++ b/packages/bun-polyfills/src/utils/misc.ts
@@ -0,0 +1,36 @@
+import streams from 'node:stream';

+import type { SpawnOptions, FileBlob } from 'bun';

+

+export const getter = <T>(obj: T, key: string | symbol, get: () => any, enumerable = false, configurable = true): void => {

+    Object.defineProperty(obj, key, { get, configurable, enumerable });

+};

+

+export const setter = <T>(obj: T, key: string | symbol, set: () => any, enumerable = false, configurable = true): void => {

+    Object.defineProperty(obj, key, { set, configurable, enumerable });

+};

+

+export const readonly = <T>(obj: T, key: string | symbol, value: unknown, enumerable = false, configurable = true): void => {

+    Object.defineProperty(obj, key, { value, configurable, enumerable });

+};

+

+export function streamToBuffer(stream: streams.Readable | streams.Duplex): Promise<Buffer> {

+    return new Promise((resolve, reject) => {

+        const buffers: Uint8Array[] = [];

+        stream.on("data", (chunk: Uint8Array) => buffers.push(chunk));

+        stream.on("end", () => resolve(Buffer.concat(buffers)));

+        stream.on("error", (err: Error) => reject(err));

+    });

+}

+

+export function isArrayBufferView(value: any): value is ArrayBufferView {

+    return value !== null && typeof value === 'object' && 

+        value.buffer instanceof ArrayBuffer && typeof value.byteLength === 'number' && typeof value.byteOffset === 'number';

+}

+

+export function isOptions(options: any): options is SpawnOptions.OptionsObject {

+    return options !== null && typeof options === 'object';

+}

+

+export function isFileBlob(blob: any): blob is FileBlob {

+    return blob instanceof Blob && Reflect.get(blob, 'readable') instanceof ReadableStream && typeof Reflect.get(blob, 'writer') === 'function';

+}