Bump typescript to 4.9.3

package.json

@@ -73,7 +73,7 @@
     "shelljs": "^0.8.5",
     "test262-stream": "^1.4.0",
     "through2": "^4.0.0",
-    "typescript": "~4.8.3"
+    "typescript": "~4.9.3"
   },
   "workspaces": [
     "codemods/*",

packages/babel-core/src/config/validation/option-assertions.ts

@@ -85,6 +85,7 @@ export function assertRootMode(
       `${msg(loc)} must be a "root", "upward", "upward-optional" or undefined`,
     );
   }
+  // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
   return value;
 }
 
@@ -102,6 +103,7 @@ export function assertSourceMaps(
       `${msg(loc)} must be a boolean, "inline", "both", or undefined`,
     );
   }
+  // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
   return value;
 }
 
@@ -112,6 +114,7 @@ export function assertCompact(
   if (value !== undefined && typeof value !== "boolean" && value !== "auto") {
     throw new Error(`${msg(loc)} must be a boolean, "auto", or undefined`);
   }
+  // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
   return value;
 }
 
@@ -129,6 +132,7 @@ export function assertSourceType(
       `${msg(loc)} must be "module", "script", "unambiguous", or undefined`,
     );
   }
+  // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
   return value;
 }
 
@@ -186,6 +190,7 @@ export function assertString(loc: GeneralPath, value: unknown): string | void {
   if (value !== undefined && typeof value !== "string") {
     throw new Error(`${msg(loc)} must be a string, or undefined`);
   }
+  // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
   return value;
 }
 
@@ -196,6 +201,7 @@ export function assertFunction(
   if (value !== undefined && typeof value !== "function") {
     throw new Error(`${msg(loc)} must be a function, or undefined`);
   }
+  // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
   return value;
 }
 
@@ -206,6 +212,7 @@ export function assertBoolean(
   if (value !== undefined && typeof value !== "boolean") {
     throw new Error(`${msg(loc)} must be a boolean, or undefined`);
   }
+  // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
   return value;
 }
 
@@ -263,7 +270,10 @@ export function assertConfigApplicableTest(
   loc: OptionPath,
   value: unknown,
 ): ConfigApplicableTest | void {
-  if (value === undefined) return value;
+  if (value === undefined) {
+    // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
+    return value;
+  }
 
   if (Array.isArray(value)) {
     value.forEach((item, i) => {
@@ -303,15 +313,18 @@ export function assertConfigFileSearch(
         `got ${JSON.stringify(value)}`,
     );
   }
-
+  // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
   return value;
 }
 
 export function assertBabelrcSearch(
   loc: OptionPath,
   value: unknown,
 ): BabelrcSearch | void {
-  if (value === undefined || typeof value === "boolean") return value;
+  if (value === undefined || typeof value === "boolean") {
+    // @ts-expect-error: TS can only narrow down the type when "strictNullCheck" is true
+    return value;
+  }
 
   if (Array.isArray(value)) {
     value.forEach((item, i) => {

packages/babel-parser/src/parse-error.ts

@@ -47,7 +47,7 @@ export type ParseErrorConstructor<ErrorDetails> = (a: {
   details: ErrorDetails;
 }) => ParseError<ErrorDetails>;
 
-function toParseErrorConstructor<ErrorDetails>({
+function toParseErrorConstructor<ErrorDetails extends object>({
   toMessage,
   ...properties
 }: ParseErrorCredentials<ErrorDetails>): ParseErrorConstructor<ErrorDetails> {

yarn.lock

@@ -5971,7 +5971,7 @@ __metadata:
     shelljs: ^0.8.5
     test262-stream: ^1.4.0
     through2: ^4.0.0
-    typescript: ~4.8.3
+    typescript: ~4.9.3
   dependenciesMeta:
     core-js:
       built: false
@@ -14707,23 +14707,23 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
-"typescript@npm:~4.8.3":
-  version: 4.8.4
-  resolution: "typescript@npm:4.8.4"
+"typescript@npm:~4.9.3":
+  version: 4.9.3
+  resolution: "typescript@npm:4.9.3"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 3e4f061658e0c8f36c820802fa809e0fd812b85687a9a2f5430bc3d0368e37d1c9605c3ce9b39df9a05af2ece67b1d844f9f6ea8ff42819f13bcb80f85629af0
+  checksum: 17b8f816050b412403e38d48eef0e893deb6be522d6dc7caf105e54a72e34daf6835c447735fd2b28b66784e72bfbf87f627abb4818a8e43d1fa8106396128dc
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@~4.8.3#~builtin<compat/typescript>":
-  version: 4.8.4
-  resolution: "typescript@patch:typescript@npm%3A4.8.4#~builtin<compat/typescript>::version=4.8.4&hash=701156"
+"typescript@patch:typescript@~4.9.3#~builtin<compat/typescript>":
+  version: 4.9.3
+  resolution: "typescript@patch:typescript@npm%3A4.9.3#~builtin<compat/typescript>::version=4.9.3&hash=701156"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 301459fc3eb3b1a38fe91bf96d98eb55da88a9cb17b4ef80b4d105d620f4d547ba776cc27b44cc2ef58b66eda23fe0a74142feb5e79a6fb99f54fc018a696afa
+  checksum: ef65c22622d864497d0a0c5db693523329b3284c15fe632e93ad9aa059e8dc38ef3bd767d6f26b1e5ecf9446f49bd0f6c4e5714a2eeaf352805dc002479843d1
   languageName: node
   linkType: hard