chore: replace tsc with tsgo (#9409)

* replace tsc with tsgo

* stricter types fixes

* patch @types/jsdom

* fix patch

Author: reidbarber

package.json

@@ -9,7 +9,9 @@
   },
   "packageManager": "yarn@4.2.2",
   "scripts": {
-    "check-types": "tsc",
+    "tsgo": "tsgo",
+    "check-types": "tsgo --noEmit",
+    "check-types:tsc": "tsc",
     "clean": "make clean",
     "clean:all": "make clean_all",
     "install-16": "node scripts/react-16-install-prep.mjs && yarn add react@^16.8.0 react-dom@^16.8.0 @testing-library/react@^12 @testing-library/react-hooks@^8 @testing-library/dom@^8 react-test-renderer@^16.9.0 && node scripts/oldReactSupport.mjs",
@@ -134,6 +136,7 @@
     "@testing-library/user-event": "patch:@testing-library/user-event@npm%3A14.6.1#~/.yarn/patches/@testing-library-user-event-npm-14.6.1-5da7e1d4e2.patch",
     "@types/react": "^19.0.0",
     "@types/react-dom": "^19.0.0",
+    "@typescript/native-preview": "^7.0.0-dev.20251223.1",
     "@yarnpkg/types": "^4.0.0",
     "autoprefixer": "^9.6.0",
     "axe-playwright": "^1.1.11",

packages/@react-spectrum/utils/src/Slots.tsx

@@ -24,7 +24,7 @@ export function useSlotProps<T>(props: T & {id?: string}, defaultSlot?: string):
   // @ts-ignore TODO why is slot an object and not just string or undefined?
   let {[slot]: slotProps = {}} = useContext(SlotContext) || {};
 
-  return mergeProps(props, mergeProps(slotProps, {id: props.id}));
+  return mergeProps(props, mergeProps(slotProps, {id: props.id})) as T;
 }
 
 export function cssModuleToSlots(cssModule: {[cssmodule: string]: string}): {[slot: string]: {UNSAFE_className: string}} {

packages/dev/s2-docs/src/zip.tsx

@@ -85,5 +85,5 @@ export function zip(files: {[name: string]: string}): Blob {
   putUint32s(eocd, 12, cdSz, offset);
   records.push(eocd);
 
-  return new Blob(records, {type: 'application/zip'});
+  return new Blob(records as BlobPart[], {type: 'application/zip'});
 }

patches/@types+jsdom+20.0.1.patch

@@ -0,0 +1,14 @@
+diff --git a/node_modules/@types/jsdom/base.d.ts b/node_modules/@types/jsdom/base.d.ts
+index 67d7514..144a595 100755
+--- a/node_modules/@types/jsdom/base.d.ts
++++ b/node_modules/@types/jsdom/base.d.ts
+@@ -191,7 +191,9 @@ declare module "jsdom" {
+ 
+         /* ECMAScript Globals */
+         globalThis: DOMWindow;
++        // @ts-ignore - conflicts with Window's numeric index signature
+         readonly ["Infinity"]: number;
++        // @ts-ignore - conflicts with Window's numeric index signature
+         readonly ["NaN"]: number;
+         readonly undefined: undefined;
+ 

yarn.lock

@@ -10882,6 +10882,87 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript/native-preview-darwin-arm64@npm:7.0.0-dev.20251223.1":
+  version: 7.0.0-dev.20251223.1
+  resolution: "@typescript/native-preview-darwin-arm64@npm:7.0.0-dev.20251223.1"
+  conditions: os=darwin & cpu=arm64
+  languageName: node
+  linkType: hard
+
+"@typescript/native-preview-darwin-x64@npm:7.0.0-dev.20251223.1":
+  version: 7.0.0-dev.20251223.1
+  resolution: "@typescript/native-preview-darwin-x64@npm:7.0.0-dev.20251223.1"
+  conditions: os=darwin & cpu=x64
+  languageName: node
+  linkType: hard
+
+"@typescript/native-preview-linux-arm64@npm:7.0.0-dev.20251223.1":
+  version: 7.0.0-dev.20251223.1
+  resolution: "@typescript/native-preview-linux-arm64@npm:7.0.0-dev.20251223.1"
+  conditions: os=linux & cpu=arm64
+  languageName: node
+  linkType: hard
+
+"@typescript/native-preview-linux-arm@npm:7.0.0-dev.20251223.1":
+  version: 7.0.0-dev.20251223.1
+  resolution: "@typescript/native-preview-linux-arm@npm:7.0.0-dev.20251223.1"
+  conditions: os=linux & cpu=arm
+  languageName: node
+  linkType: hard
+
+"@typescript/native-preview-linux-x64@npm:7.0.0-dev.20251223.1":
+  version: 7.0.0-dev.20251223.1
+  resolution: "@typescript/native-preview-linux-x64@npm:7.0.0-dev.20251223.1"
+  conditions: os=linux & cpu=x64
+  languageName: node
+  linkType: hard
+
+"@typescript/native-preview-win32-arm64@npm:7.0.0-dev.20251223.1":
+  version: 7.0.0-dev.20251223.1
+  resolution: "@typescript/native-preview-win32-arm64@npm:7.0.0-dev.20251223.1"
+  conditions: os=win32 & cpu=arm64
+  languageName: node
+  linkType: hard
+
+"@typescript/native-preview-win32-x64@npm:7.0.0-dev.20251223.1":
+  version: 7.0.0-dev.20251223.1
+  resolution: "@typescript/native-preview-win32-x64@npm:7.0.0-dev.20251223.1"
+  conditions: os=win32 & cpu=x64
+  languageName: node
+  linkType: hard
+
+"@typescript/native-preview@npm:^7.0.0-dev.20251223.1":
+  version: 7.0.0-dev.20251223.1
+  resolution: "@typescript/native-preview@npm:7.0.0-dev.20251223.1"
+  dependencies:
+    "@typescript/native-preview-darwin-arm64": "npm:7.0.0-dev.20251223.1"
+    "@typescript/native-preview-darwin-x64": "npm:7.0.0-dev.20251223.1"
+    "@typescript/native-preview-linux-arm": "npm:7.0.0-dev.20251223.1"
+    "@typescript/native-preview-linux-arm64": "npm:7.0.0-dev.20251223.1"
+    "@typescript/native-preview-linux-x64": "npm:7.0.0-dev.20251223.1"
+    "@typescript/native-preview-win32-arm64": "npm:7.0.0-dev.20251223.1"
+    "@typescript/native-preview-win32-x64": "npm:7.0.0-dev.20251223.1"
+  dependenciesMeta:
+    "@typescript/native-preview-darwin-arm64":
+      optional: true
+    "@typescript/native-preview-darwin-x64":
+      optional: true
+    "@typescript/native-preview-linux-arm":
+      optional: true
+    "@typescript/native-preview-linux-arm64":
+      optional: true
+    "@typescript/native-preview-linux-x64":
+      optional: true
+    "@typescript/native-preview-win32-arm64":
+      optional: true
+    "@typescript/native-preview-win32-x64":
+      optional: true
+  bin:
+    tsgo: bin/tsgo.js
+  checksum: 10c0/e7ce674c99fb045d72318e5a9d6d16a0f60e11e7315105197a5115f433ac86ee6a583899f0e54c8022fd799f58dc546fa1d0cd730dd6fe3de1f22751fe281bb1
+  languageName: node
+  linkType: hard
+
 "@verdaccio/auth@npm:8.0.0-next-8.7":
   version: 8.0.0-next-8.7
   resolution: "@verdaccio/auth@npm:8.0.0-next-8.7"
@@ -24759,6 +24840,7 @@ __metadata:
     "@testing-library/user-event": "patch:@testing-library/user-event@npm%3A14.6.1#~/.yarn/patches/@testing-library-user-event-npm-14.6.1-5da7e1d4e2.patch"
     "@types/react": "npm:^19.0.0"
     "@types/react-dom": "npm:^19.0.0"
+    "@typescript/native-preview": "npm:^7.0.0-dev.20251223.1"
     "@yarnpkg/types": "npm:^4.0.0"
     autoprefixer: "npm:^9.6.0"
     axe-playwright: "npm:^1.1.11"