diff --git a/Cargo.lock b/Cargo.lock
index bd89f185b39..7d47aa81c96 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -225,6 +225,15 @@ dependencies = [
  "vec_map",
 ]
 
+[[package]]
+name = "cloudabi"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4344512281c643ae7638bbabc3af17a11307803ec8f0fcad9fae512a8bf36467"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "cloudflare-zlib"
 version = "0.2.9"
@@ -437,7 +446,7 @@ checksum = "975ccf83d8d9d0d84682850a38c8169027be83368805971cc4f238c2b245bc98"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.2.10",
  "winapi",
 ]
 
@@ -1049,6 +1058,7 @@ version = "0.1.0"
 dependencies = [
  "js-sys",
  "parcel-js-swc-core",
+ "parking_lot_core",
  "serde",
  "serde-wasm-bindgen",
  "wasm-bindgen",
@@ -1056,9 +1066,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.11.2"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
+checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
 dependencies = [
  "instant",
  "lock_api",
@@ -1067,14 +1077,15 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.8.5"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
+checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
 dependencies = [
- "cfg-if 1.0.0",
+ "cfg-if 0.1.10",
+ "cloudabi",
  "instant",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "smallvec",
  "winapi",
 ]
@@ -1288,6 +1299,12 @@ dependencies = [
  "num_cpus",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.1.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.10"
diff --git a/packages/core/cache/package.json b/packages/core/cache/package.json
index 9f88d43d7de..5d7a5ddd1a0 100644
--- a/packages/core/cache/package.json
+++ b/packages/core/cache/package.json
@@ -30,5 +30,12 @@
   },
   "peerDependencies": {
     "@parcel/core": "^2.0.0"
+  },
+  "devDependencies": {
+    "idb": "^5.0.8"
+  },
+  "browser": {
+    "./src/IDBCache.js": "./src/IDBCache.browser.js",
+    "./src/LMDBCache.js": false
   }
 }
diff --git a/packages/core/cache/src/IDBCache.browser.js b/packages/core/cache/src/IDBCache.browser.js
new file mode 100644
index 00000000000..382d0b9c463
--- /dev/null
+++ b/packages/core/cache/src/IDBCache.browser.js
@@ -0,0 +1,120 @@
+// @flow strict-local
+import type {Cache} from './types';
+
+import {Readable} from 'stream';
+import {serialize, deserialize, registerSerializableClass} from '@parcel/core';
+import {bufferStream} from '@parcel/utils';
+// $FlowFixMe[untyped-import]
+import packageJson from '../package.json';
+// $FlowFixMe[untyped-import]
+import {openDB} from 'idb';
+
+const STORE_NAME = 'cache';
+
+export class IDBCache implements Cache {
+  // $FlowFixMe
+  store: any;
+
+  constructor() {
+    this.store = openDB('REPL-parcel-cache', 1, {
+      upgrade(db) {
+        db.createObjectStore(STORE_NAME);
+      },
+      blocked() {},
+      blocking() {},
+      terminated() {},
+    });
+  }
+
+  ensure(): Promise<void> {
+    return Promise.resolve();
+  }
+
+  serialize(): {||} {
+    return {...null};
+  }
+
+  static deserialize(): IDBCache {
+    return new IDBCache();
+  }
+
+  has(key: string): Promise<boolean> {
+    return Promise.resolve(this.store.get(key) != null);
+  }
+
+  async get<T>(key: string): Promise<?T> {
+    let data = await (await this.store).get(STORE_NAME, key);
+    if (data == null) {
+      return null;
+    }
+
+    return Promise.resolve(deserialize(data));
+  }
+
+  async set(key: string, value: mixed): Promise<void> {
+    await (await this.store).put(STORE_NAME, serialize(value), key);
+  }
+
+  getStream(key: string): Readable {
+    let dataPromise = this.store
+      .then(s => s.get(STORE_NAME, key))
+      .then(d => Buffer.from(d))
+      .catch(e => e);
+    const stream = new Readable({
+      // $FlowFixMe(incompatible-call)
+      async read() {
+        let data = await dataPromise;
+        if (data instanceof Error) {
+          stream.emit('error', data);
+        } else {
+          stream.push(Buffer.from(data));
+          stream.push(null);
+        }
+      },
+    });
+
+    return stream;
+  }
+
+  async setStream(key: string, stream: Readable): Promise<void> {
+    let buf = await bufferStream(stream);
+    await (await this.store).put(STORE_NAME, buf, key);
+  }
+
+  async getBlob(key: string): Promise<Buffer> {
+    let data = await (await this.store).get(STORE_NAME, key);
+    if (data == null) {
+      return Promise.reject(new Error(`Key ${key} not found in cache`));
+    }
+    return Buffer.from(data.buffer);
+  }
+
+  async setBlob(key: string, contents: Buffer | string): Promise<void> {
+    let data =
+      contents instanceof Uint8Array ? contents : Buffer.from(contents);
+    await (await this.store).put(STORE_NAME, data, key);
+  }
+
+  async getBuffer(key: string): Promise<?Buffer> {
+    let data = await (await this.store).get(STORE_NAME, key);
+    if (data == null) {
+      return null;
+    }
+
+    return Buffer.from(data.buffer);
+  }
+
+  hasLargeBlob(key: string): Promise<boolean> {
+    return this.has(key);
+  }
+
+  getLargeBlob(key: string): Promise<Buffer> {
+    return this.getBlob(key);
+  }
+
+  setLargeBlob(key: string, contents: Buffer | string): Promise<void> {
+    return this.setBlob(key, contents);
+  }
+}
+
+registerSerializableClass(`${packageJson.version}:IDBCache`, IDBCache);
diff --git a/packages/core/cache/src/IDBCache.js b/packages/core/cache/src/IDBCache.js
new file mode 100644
index 00000000000..515e8480a6b
--- /dev/null
+++ b/packages/core/cache/src/IDBCache.js
@@ -0,0 +1,9 @@
+// @flow strict-local
+import type {Cache} from './types';
+
+// $FlowFixMe
+export class IDBCache implements Cache {
+  constructor() {
+    throw new Error('IDBCache is only supported in the browser');
+  }
+}
diff --git a/packages/core/cache/src/index.js b/packages/core/cache/src/index.js
index a38d6ae1da6..a83c15f59cc 100644
--- a/packages/core/cache/src/index.js
+++ b/packages/core/cache/src/index.js
@@ -2,3 +2,4 @@
 export type {Cache} from './types';
 export * from './LMDBCache';
 export * from './FSCache';
+export * from './IDBCache';
diff --git a/packages/core/core/package.json b/packages/core/core/package.json
index e198bc99124..8296f1195aa 100644
--- a/packages/core/core/package.json
+++ b/packages/core/core/package.json
@@ -45,6 +45,7 @@
     "dotenv-expand": "^5.1.0",
     "json-source-map": "^0.6.1",
     "json5": "^1.0.1",
+    "msgpackr": "^1.5.1",
     "micromatch": "^4.0.2",
     "nullthrows": "^1.1.1",
     "semver": "^5.7.1"
@@ -52,5 +53,8 @@
   "devDependencies": {
     "graphviz": "^0.0.9",
     "tempy": "^0.2.1"
+  },
+  "browser": {
+    "./src/serializerCore.js": "./src/serializerCore.browser.js"
   }
 }
diff --git a/packages/core/core/src/PackagerRunner.js b/packages/core/core/src/PackagerRunner.js
index a2b778e05a2..3c18a16c10b 100644
--- a/packages/core/core/src/PackagerRunner.js
+++ b/packages/core/core/src/PackagerRunner.js
@@ -648,10 +648,11 @@ export default class PackagerRunner {
       );
       hash = h.finish();
     } else if (typeof contents === 'string') {
-      size = Buffer.byteLength(contents);
-      hash = hashString(contents);
+      let buffer = Buffer.from(contents);
+      size = buffer.byteLength;
+      hash = hashBuffer(buffer);
       hashReferences = contents.match(HASH_REF_REGEX) ?? [];
-      await this.options.cache.setBlob(cacheKeys.content, contents);
+      await this.options.cache.setBlob(cacheKeys.content, buffer);
     } else {
       size = contents.length;
       hash = hashBuffer(contents);
diff --git a/packages/core/core/src/serializer.js b/packages/core/core/src/serializer.js
index 57b770c533d..b93fc71b141 100644
--- a/packages/core/core/src/serializer.js
+++ b/packages/core/core/src/serializer.js
@@ -1,11 +1,8 @@
 // @flow
-import v8 from 'v8';
 import {createBuildCache} from './buildCache';
+import {serializeRaw, deserializeRaw} from './serializerCore';
 
-// $FlowFixMe - Flow doesn't know about this method yet
-export let serializeRaw = v8.serialize;
-// $FlowFixMe - Flow doesn't know about this method yet
-export let deserializeRaw = v8.deserialize;
+export {serializeRaw, deserializeRaw} from './serializerCore';
 
 const nameToCtor: Map<string, Class<any>> = new Map();
 const ctorToName: Map<Class<any>, string> = new Map();
@@ -55,7 +52,8 @@ function shallowCopy(object: any) {
 function isBuffer(object) {
   return (
     object.buffer instanceof ArrayBuffer ||
-    object.buffer instanceof SharedArrayBuffer
+    (typeof SharedArrayBuffer !== 'undefined' &&
+      object.buffer instanceof SharedArrayBuffer)
   );
 }
 
diff --git a/packages/core/core/src/serializerCore.browser.js b/packages/core/core/src/serializerCore.browser.js
new file mode 100644
index 00000000000..e587330814f
--- /dev/null
+++ b/packages/core/core/src/serializerCore.browser.js
@@ -0,0 +1,8 @@
+// @flow
+import {Buffer} from 'buffer';
+import * as msgpackr from 'msgpackr';
+
+let encoder = new msgpackr.Encoder({structuredClone: true});
+
+export let serializeRaw: any => Buffer = v => Buffer.from(encoder.encode(v));
+export let deserializeRaw: Buffer => any = v => encoder.decode(v);
diff --git a/packages/core/core/src/serializerCore.js b/packages/core/core/src/serializerCore.js
new file mode 100644
index 00000000000..124a042861f
--- /dev/null
+++ b/packages/core/core/src/serializerCore.js
@@ -0,0 +1,7 @@
+// @flow
+import v8 from 'v8';
+
+// $FlowFixMe - Flow doesn't know about this method yet
+export let serializeRaw: any => Buffer = v8.serialize;
+// $FlowFixMe - Flow doesn't know about this method yet
+export let deserializeRaw: Buffer => any = v8.deserialize;
diff --git a/packages/core/fs/package.json b/packages/core/fs/package.json
index 5e0f2ceb9d6..ad7ca36b6cc 100644
--- a/packages/core/fs/package.json
+++ b/packages/core/fs/package.json
@@ -40,5 +40,8 @@
   },
   "peerDependencies": {
     "@parcel/core": "^2.0.0"
+  },
+  "browser": {
+    "./src/NodeFS.js": "./src/NodeFS.browser.js"
   }
 }
diff --git a/packages/core/fs/src/MemoryFS.js b/packages/core/fs/src/MemoryFS.js
index 93e25fe701b..17afdcc4f75 100644
--- a/packages/core/fs/src/MemoryFS.js
+++ b/packages/core/fs/src/MemoryFS.js
@@ -11,6 +11,7 @@ import type {
 import path from 'path';
 import {Readable, Writable} from 'stream';
 import {registerSerializableClass} from '@parcel/core';
+import {SharedBuffer} from '@parcel/utils';
 import packageJSON from '../package.json';
 import WorkerFarm, {Handle} from '@parcel/workers';
 import nullthrows from 'nullthrows';
@@ -904,15 +905,12 @@ class Directory extends Entry {
 }
 
 function makeShared(contents: Buffer | string): Buffer {
-  if (
-    typeof contents !== 'string' &&
-    contents.buffer instanceof SharedArrayBuffer
-  ) {
+  if (typeof contents !== 'string' && contents.buffer instanceof SharedBuffer) {
     return contents;
   }
 
   let length = Buffer.byteLength(contents);
-  let shared = new SharedArrayBuffer(length);
+  let shared = new SharedBuffer(length);
   let buffer = Buffer.from(shared);
   if (typeof contents === 'string') {
     buffer.write(contents);
diff --git a/packages/core/fs/src/NodeFS.browser.js b/packages/core/fs/src/NodeFS.browser.js
new file mode 100644
index 00000000000..43454dc61f8
--- /dev/null
+++ b/packages/core/fs/src/NodeFS.browser.js
@@ -0,0 +1,9 @@
+// @flow
+import type {FileSystem} from './types';
+
+// $FlowFixMe[prop-missing] handled by the throwing constructor
+export class NodeFS implements FileSystem {
+  constructor() {
+    throw new Error("NodeFS isn't available in the browser");
+  }
+}
diff --git a/packages/core/graph/src/AdjacencyList.js b/packages/core/graph/src/AdjacencyList.js
index 6f8d4c28f4b..5db0b5a320a 100644
--- a/packages/core/graph/src/AdjacencyList.js
+++ b/packages/core/graph/src/AdjacencyList.js
@@ -1,6 +1,7 @@
 // @flow
 import assert from 'assert';
 import nullthrows from 'nullthrows';
+import {SharedBuffer} from '@parcel/utils';
 import {fromNodeId, toNodeId} from './types';
 import {ALL_EDGE_TYPES, type NullEdgeType, type AllEdgeTypes} from './Graph';
 import type {NodeId} from './types';
@@ -610,9 +611,7 @@ export class SharedTypeMap<TItemType, THash, TAddress: number>
       let CAPACITY = SharedTypeMap.#CAPACITY;
       // $FlowFixMe[incompatible-call]
       this.data = new Uint32Array(
-        new SharedArrayBuffer(
-          this.getLength(capacityOrData) * BYTES_PER_ELEMENT,
-        ),
+        new SharedBuffer(this.getLength(capacityOrData) * BYTES_PER_ELEMENT),
       );
       this.data[CAPACITY] = capacityOrData;
     } else {
diff --git a/packages/core/package-manager/package.json b/packages/core/package-manager/package.json
index d03650aacec..5ab91f4291b 100644
--- a/packages/core/package-manager/package.json
+++ b/packages/core/package-manager/package.json
@@ -39,5 +39,10 @@
   },
   "peerDependencies": {
     "@parcel/core": "^2.0.0"
+  },
+  "browser": {
+    "./src/Npm.js": false,
+    "./src/Pnpm.js": false,
+    "./src/Yarn.js": false
   }
 }
diff --git a/packages/core/utils/package.json b/packages/core/utils/package.json
index 73335e473cf..1e752b9a81e 100644
--- a/packages/core/utils/package.json
+++ b/packages/core/utils/package.json
@@ -45,5 +45,10 @@
   "devDependencies": {
     "@babel/plugin-transform-flow-strip-types": "^7.2.0",
     "random-int": "^1.0.0"
+  },
+  "browser": {
+    "./src/generateCertificate.js": false,
+    "./src/http-server.js": false,
+    "./src/openInBrowser.js": false
   }
 }
diff --git a/packages/core/utils/src/.babelrc b/packages/core/utils/src/.babelrc
deleted file mode 100644
index be26495ef30..00000000000
--- a/packages/core/utils/src/.babelrc
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "presets": ["@parcel/babel-preset"]
-}
diff --git a/packages/core/utils/src/blob.js b/packages/core/utils/src/blob.js
index c84acd2a2c8..50988d010d4 100644
--- a/packages/core/utils/src/blob.js
+++ b/packages/core/utils/src/blob.js
@@ -2,6 +2,7 @@
 
 import type {Blob} from '@parcel/types';
 
+import {Buffer} from 'buffer';
 import {bufferStream} from './';
 import {Readable} from 'stream';
 
diff --git a/packages/core/utils/src/index.js b/packages/core/utils/src/index.js
index be4d656b0df..4b6b20f24d8 100644
--- a/packages/core/utils/src/index.js
+++ b/packages/core/utils/src/index.js
@@ -41,6 +41,7 @@ export {DefaultMap, DefaultWeakMap} from './DefaultMap';
 export {makeDeferredWithPromise} from './Deferred';
 export {isGlob, isGlobMatch, globSync, glob} from './glob';
 export {hashStream, hashObject, hashFile} from './hash';
+export {SharedBuffer} from './shared-buffer';
 export {fuzzySearch} from './schema';
 export {createHTTPServer} from './http-server';
 export {normalizePath, normalizeSeparators, relativePath} from './path';
diff --git a/packages/core/utils/src/shared-buffer.js b/packages/core/utils/src/shared-buffer.js
new file mode 100644
index 00000000000..ba7631fbf78
--- /dev/null
+++ b/packages/core/utils/src/shared-buffer.js
@@ -0,0 +1,24 @@
+// @flow
+/* global MessageChannel:readonly */
+
+export let SharedBuffer: Class<ArrayBuffer> | Class<SharedArrayBuffer>;
+
+// $FlowFixMe[prop-missing]
+if (process.browser) {
+  SharedBuffer = ArrayBuffer;
+  // Safari has removed the constructor
+  if (typeof SharedArrayBuffer !== 'undefined') {
+    let channel = new MessageChannel();
+    try {
+      // Firefox might throw when sending the Buffer over a MessagePort
+      channel.port1.postMessage(new SharedArrayBuffer(0));
+      SharedBuffer = SharedArrayBuffer;
+    } catch (_) {
+      // NOOP
+    }
+    channel.port1.close();
+    channel.port2.close();
+  }
+} else {
+  SharedBuffer = SharedArrayBuffer;
+}
diff --git a/packages/core/workers/package.json b/packages/core/workers/package.json
index 6248ec76342..8284be26cde 100644
--- a/packages/core/workers/package.json
+++ b/packages/core/workers/package.json
@@ -30,5 +30,10 @@
   },
   "peerDependencies": {
     "@parcel/core": "^2.0.0"
+  },
+  "browser": {
+    "./src/cpuCount.js": false,
+    "./src/process/ProcessWorker.js": false,
+    "./src/threads/ThreadsWorker.js": false
   }
 }
diff --git a/packages/reporters/dev-server/src/.babelrc b/packages/reporters/dev-server/src/.babelrc
deleted file mode 100644
index be26495ef30..00000000000
--- a/packages/reporters/dev-server/src/.babelrc
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "presets": ["@parcel/babel-preset"]
-}
diff --git a/packages/transformers/js/wasm/Cargo.toml b/packages/transformers/js/wasm/Cargo.toml
index 822b1b44b42..837c416c91e 100644
--- a/packages/transformers/js/wasm/Cargo.toml
+++ b/packages/transformers/js/wasm/Cargo.toml
@@ -13,3 +13,7 @@ parcel-js-swc-core = { path = "../core" }
 serde = "1"
 serde-wasm-bindgen = "0.3.0"
 wasm-bindgen = "0.2"
+
+# https://github.com/Amanieu/parking_lot/issues/269
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+parking_lot_core = "=0.8.0"
diff --git a/packages/transformers/typescript-tsc/.babelrc b/packages/transformers/typescript-tsc/.babelrc
deleted file mode 100644
index be26495ef30..00000000000
--- a/packages/transformers/typescript-tsc/.babelrc
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "presets": ["@parcel/babel-preset"]
-}
diff --git a/packages/utils/hash/browser.js b/packages/utils/hash/browser.js
index 5012a2da1a4..7f75a142370 100644
--- a/packages/utils/hash/browser.js
+++ b/packages/utils/hash/browser.js
@@ -1,5 +1,5 @@
 // @flow
-const xxhash = require('xxhash-wasm');
+import xxhash from 'xxhash-wasm';
 
 let h64, h64Raw;
 module.exports.init = (xxhash().then(xxh => {
diff --git a/packages/utils/hash/package.json b/packages/utils/hash/package.json
index 0180541720d..0f36288823d 100644
--- a/packages/utils/hash/package.json
+++ b/packages/utils/hash/package.json
@@ -33,7 +33,7 @@
   },
   "dependencies": {
     "detect-libc": "^1.0.3",
-    "xxhash-wasm": "^0.4.1"
+    "xxhash-wasm": "^0.4.2"
   },
   "devDependencies": {
     "@napi-rs/cli": "1.0.4",
diff --git a/packages/validators/eslint/.babelrc b/packages/validators/eslint/.babelrc
deleted file mode 100644
index be26495ef30..00000000000
--- a/packages/validators/eslint/.babelrc
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "presets": ["@parcel/babel-preset"]
-}
diff --git a/packages/validators/typescript/.babelrc b/packages/validators/typescript/.babelrc
deleted file mode 100644
index be26495ef30..00000000000
--- a/packages/validators/typescript/.babelrc
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "presets": ["@parcel/babel-preset"]
-}
diff --git a/yarn.lock b/yarn.lock
index a3c044867d7..96e8cc101ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7189,6 +7189,11 @@ icss-utils@^4.0.0, icss-utils@^4.1.1:
   dependencies:
     postcss "^7.0.14"
 
+idb@^5.0.8:
+  version "5.0.8"
+  resolved "https://registry.yarnpkg.com/idb/-/idb-5.0.8.tgz#5f2b72a69267960d222a5f104053625f203fdbb2"
+  integrity sha512-K9xInRkVbT3ZsYimD2KVj6B4E93IBvOjEQTryu99WuuN7G+7x3SzA79+yubbX0QRN9V64Gi+L+ulG5QYTVydOg==
+
 ieee754@^1.1.4:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
@@ -9045,7 +9050,7 @@ msgpackr-extract@^1.0.14:
     nan "^2.14.2"
     node-gyp-build "^4.2.3"
 
-msgpackr@^1.5.0:
+msgpackr@^1.5.0, msgpackr@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/msgpackr/-/msgpackr-1.5.1.tgz#2a8e39d25458406034b8cb50dc7d6a7abd3dfff2"
   integrity sha512-I1CXFG8BYYSeIhtDlHpUVMsdDiyvP9JAh1d9QoBnkPx3ETPeH/1lR14hweM9GETs09wCWlaOyhtXxIc9boxAAA==
@@ -14066,10 +14071,10 @@ xtend@^2.1.2:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-2.2.0.tgz#eef6b1f198c1c8deafad8b1765a04dad4a01c5a9"
   integrity sha1-7vax8ZjByN6vrYsXZaBNrUoBxak=
 
-xxhash-wasm@^0.4.1:
-  version "0.4.1"
-  resolved "https://registry.yarnpkg.com/xxhash-wasm/-/xxhash-wasm-0.4.1.tgz#4795fdf243d01f03a17ac37d2ed92d001f3a1b5e"
-  integrity sha512-sAaACjH5Th5O2Y1Pl6Mm03bHdie8htTm7ZG146by2ITXuxD1Ksx46ZEOYaDhtlCY3fHrmDfdvzTOGzO1R00COA==
+xxhash-wasm@^0.4.2:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/xxhash-wasm/-/xxhash-wasm-0.4.2.tgz#752398c131a4dd407b5132ba62ad372029be6f79"
+  integrity sha512-/eyHVRJQCirEkSZ1agRSCwriMhwlyUcFkXD5TPVSLP+IPzjsqMVzZwdoczLp1SoQU0R3dxz1RpIK+4YNQbCVOA==
 
 y18n@^3.2.1:
   version "3.2.2"