fix a bunch of typescript problems in our test suite

bun.lock

@@ -41,6 +41,7 @@
   },
   "overrides": {
     "@types/bun": "workspace:packages/@types/bun",
+    "@types/node": "24.3.1",
     "bun-types": "workspace:packages/bun-types",
   },
   "packages": {
@@ -160,7 +161,7 @@
 
     "@types/ms": ["@types/ms@2.1.0", "", {}, "sha512-GsCCIZDE/p3i96vtEqx+7dBUGXrc7zeSK3wwPHIaRThS+9OhWIXRqzs4d6k1SVU8g91DrNRWxWUGhp5KXQb2VA=="],
 
-    "@types/node": ["@types/node@24.2.1", "", { "dependencies": { "undici-types": "~7.10.0" } }, "sha512-DRh5K+ka5eJic8CjH7td8QpYEV6Zo10gfRkjHCO3weqZHWDtAaSTFtl4+VMqOJ4N5jcuhZ9/l+yy8rVgw7BQeQ=="],
+    "@types/node": ["@types/node@24.3.1", "", { "dependencies": { "undici-types": "~7.10.0" } }, "sha512-3vXmQDXy+woz+gnrTvuvNrPzekOi+Ds0ReMxw0LzBiK3a+1k0kQn9f2NWk+lgD4rJehFUmYy2gMhJ2ZI+7YP9g=="],
 
     "@types/react": ["@types/react@19.1.10", "", { "dependencies": { "csstype": "^3.0.2" } }, "sha512-EhBeSYX0Y6ye8pNebpKrwFJq7BoQ8J5SO6NlvNwwHjSj6adXJViPQrKlsyPw7hLBLvckEMO1yxeGdR82YBBlDg=="],
 

package.json

@@ -23,7 +23,8 @@
   },
   "resolutions": {
     "bun-types": "workspace:packages/bun-types",
-    "@types/bun": "workspace:packages/@types/bun"
+    "@types/bun": "workspace:packages/@types/bun",
+    "@types/node": "24.3.1"
   },
   "scripts": {
     "build": "bun --silent run build:debug",

test/bun.lock

@@ -118,7 +118,7 @@
     },
   },
   "overrides": {
-    "react": "../node_modules/react",
+    "@types/node": "24.3.1",
   },
   "packages": {
     "@adobe/css-tools": ["@adobe/css-tools@4.4.1", "", {}, "sha512-12WGKBQzjUAI4ayyF4IAtfw2QR/IDoqk6jTddXDhtYTJF9ASmoE1zst7cVtP0aL/F1jUJL5r+JxKXKEgHNbEUQ=="],
@@ -709,7 +709,7 @@
 
     "@types/nlcst": ["@types/nlcst@2.0.3", "", { "dependencies": { "@types/unist": "*" } }, "sha512-vSYNSDe6Ix3q+6Z7ri9lyWqgGhJTmzRjZRqyq15N0Z/1/UnVsno9G/N40NBijoYx2seFDIl0+B2mgAb9mezUCA=="],
 
-    "@types/node": ["@types/node@20.14.6", "", { "dependencies": { "undici-types": "~5.26.4" } }, "sha512-JbA0XIJPL1IiNnU7PFxDXyfAwcwVVrOoqyzzyQTyMeVhBzkJVMSkC1LlVsRQ2lpqiY4n6Bb9oCS6lzDKVQxbZw=="],
+    "@types/node": ["@types/node@24.3.1", "", { "dependencies": { "undici-types": "~7.10.0" } }, "sha512-3vXmQDXy+woz+gnrTvuvNrPzekOi+Ds0ReMxw0LzBiK3a+1k0kQn9f2NWk+lgD4rJehFUmYy2gMhJ2ZI+7YP9g=="],
 
     "@types/oboe": ["@types/oboe@2.1.4", "", { "dependencies": { "@types/node": "*" } }, "sha512-bXt4BXSQy0N/buSIak1o0TjYAk2SAeK1aZV9xKcb+xVGWYP8NcMOFy2T7Um3kIvEcQJzrdgJ8R6fpbRcp/LEww=="],
 
@@ -2549,7 +2549,7 @@
 
     "undici": ["undici@5.20.0", "", { "dependencies": { "busboy": "^1.6.0" } }, "sha512-J3j60dYzuo6Eevbawwp1sdg16k5Tf768bxYK4TUJRH7cBM4kFCbf3mOnM/0E3vQYXvpxITbbWmBafaDbxLDz3g=="],
 
-    "undici-types": ["undici-types@5.26.5", "", {}, "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="],
+    "undici-types": ["undici-types@7.10.0", "", {}, "sha512-t5Fy/nfn+14LuOc2KNYg75vZqClpAiqscVvMygNnlsHBFpSXdJaYtXMcdNLpl/Qvc3P2cB3s6lOV51nqsFq4ag=="],
 
     "unified": ["unified@11.0.5", "", { "dependencies": { "@types/unist": "^3.0.0", "bail": "^2.0.0", "devlop": "^1.0.0", "extend": "^3.0.0", "is-plain-obj": "^4.0.0", "trough": "^2.0.0", "vfile": "^6.0.0" } }, "sha512-xKvGhPWw3k84Qjh8bI3ZeJjqnyadK+GEFtazSfZv/rKeTkTjOJho6mFqh2SM96iIcZokxiOpg78GazTSg8+KHA=="],
 
@@ -3109,8 +3109,6 @@
 
     "https-proxy-agent/debug": ["debug@4.3.5", "", { "dependencies": { "ms": "2.1.2" } }, "sha512-pt0bNEmneDIvdL1Xsd9oDQ/wrQRkXDT4AUWlNZNPKvW5x/jyO9VFXkJUP07vQ2upmw5PlaITaPKc31jK13V+jg=="],
 
-    "image-q/@types/node": ["@types/node@16.9.1", "", {}, "sha512-QpLcX9ZSsq3YYUUnD3nFDY8H7wctAhQj/TFKL8Ya8v5fMm3CFXxo8zStsLAl780ltoYoo1WvKUVGBQK+1ifr7g=="],
-
     "import-fresh/resolve-from": ["resolve-from@4.0.0", "", {}, "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g=="],
 
     "jest-diff/chalk": ["chalk@4.1.2", "", { "dependencies": { "ansi-styles": "^4.1.0", "supports-color": "^7.1.0" } }, "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA=="],
@@ -3353,8 +3351,6 @@
 
     "upper-case-first/tslib": ["tslib@2.8.1", "", {}, "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w=="],
 
-    "v8-heapsnapshot/@types/node": ["@types/node@18.19.69", "", { "dependencies": { "undici-types": "~5.26.4" } }, "sha512-ECPdY1nlaiO/Y6GUnwgtAAhLNaQ53AyIVz+eILxpEo5OvuqE6yWkqWBIb5dU0DqhKQtMeny+FBD3PK6lm7L5xQ=="],
-
     "verdaccio/@verdaccio/config": ["@verdaccio/config@8.0.0-next-8.1", "", { "dependencies": { "@verdaccio/core": "8.0.0-next-8.1", "@verdaccio/utils": "7.0.1-next-8.1", "debug": "4.3.7", "js-yaml": "4.1.0", "lodash": "4.17.21", "minimatch": "7.4.6" } }, "sha512-goDVOH4e8xMUxjHybJpi5HwIecVFqzJ9jeNFrRUgtUUn0PtFuNMHgxOeqDKRVboZhc5HK90yed8URK/1O6VsUw=="],
 
     "verdaccio/@verdaccio/core": ["@verdaccio/core@8.0.0-next-8.1", "", { "dependencies": { "ajv": "8.17.1", "core-js": "3.37.1", "http-errors": "2.0.0", "http-status-codes": "2.3.0", "process-warning": "1.0.0", "semver": "7.6.3" } }, "sha512-kQRCB2wgXEh8H88G51eQgAFK9IxmnBtkQ8sY5FbmB6PbBkyHrbGcCp+2mtRqqo36j0W1VAlfM3XzoknMy6qQnw=="],

test/harness.ts

@@ -15,8 +15,6 @@ import os from "node:os";
 import { dirname, isAbsolute, join } from "path";
 import { execSync } from "child_process";
 
-type Awaitable<T> = T | Promise<T>;
-
 export const BREAKING_CHANGES_BUN_1_2 = false;
 
 export const isMacOS = process.platform === "darwin";
@@ -183,7 +181,7 @@ export type DirectoryTree = {
     | string
     | Buffer
     | DirectoryTree
-    | ((opts: { root: string }) => Awaitable<string | Buffer | DirectoryTree>);
+    | ((opts: { root: string }) => Bun.MaybePromise<string | Buffer | DirectoryTree>);
 };
 
 export async function makeTree(base: string, tree: DirectoryTree) {
@@ -204,6 +202,7 @@ export async function makeTree(base: string, tree: DirectoryTree) {
       makeTree(joined, contents);
       continue;
     }
+    contents;
     fs.writeFileSync(joined, contents);
   }
 }
@@ -1221,6 +1220,7 @@ export async function runBunInstall(
     stderr: "pipe",
     env,
   });
+
   expect(stdout).toBeDefined();
   expect(stderr).toBeDefined();
   let err: string = stderrForInstall(await stderr.text());

test/package.json

@@ -1,5 +1,8 @@
 {
   "name": "test",
+  "overrides": {
+    "@types/node": "24.3.1"
+  },
   "devDependencies": {
     "@types/react": "18.0.28",
     "@types/react-dom": "18.0.11",

test/tsconfig.json

@@ -1,7 +1,7 @@
 {
   "extends": "../tsconfig.base.json",
   "compilerOptions": {
-    "lib": ["ESNext"],
+    "lib": ["ESNext", "DOM.Iterable", "DOM.AsyncIterable"],
     // Path remapping
     "baseUrl": ".",
     "paths": {