From e8f50a19640990392f6dcd0a08e43d80328a6db9 Mon Sep 17 00:00:00 2001
From: Nathan Shively-Sanders <293473+sandersn@users.noreply.github.com>
Date: Tue, 1 Nov 2022 08:56:18 -0700
Subject: [PATCH] Add Typescript 5.0 to typescript-versions (#560)

5.0 is the new nightly version
---
 packages/header-parser/test/index.test.ts | 7 ++++---
 packages/typescript-versions/src/index.ts | 6 ++++--
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/packages/header-parser/test/index.test.ts b/packages/header-parser/test/index.test.ts
index 562f77b5..4e79a303 100644
--- a/packages/header-parser/test/index.test.ts
+++ b/packages/header-parser/test/index.test.ts
@@ -169,7 +169,7 @@ describe("isTypeScriptVersion", () => {
 
 describe("range", () => {
   it("works", () => {
-    expect(TypeScriptVersion.range("4.1")).toEqual(["4.1", "4.2", "4.3", "4.4", "4.5", "4.6", "4.7", "4.8", "4.9"]);
+    expect(TypeScriptVersion.range("4.1")).toEqual(["4.1", "4.2", "4.3", "4.4", "4.5", "4.6", "4.7", "4.8", "4.9", "5.0"]);
   });
   it("includes 4.1 onwards", () => {
     expect(TypeScriptVersion.range("4.1")).toEqual(TypeScriptVersion.supported);
@@ -188,6 +188,7 @@ describe("tagsToUpdate", () => {
       "ts4.7",
       "ts4.8",
       "ts4.9",
+      "ts5.0",
       "latest",
     ]);
   });
@@ -248,8 +249,8 @@ describe("makeTypesVersionsForPackageJson", () => {
 }`);
   });
   it("asserts when trying to redirect from newest version and below", () => {
-    expect(() => makeTypesVersionsForPackageJson(["4.9"])).toThrow(
-      /ts4.9 is too new: it covers all versions of typescript/
+    expect(() => makeTypesVersionsForPackageJson(["5.0"])).toThrow(
+      /ts5.0 is too new: it covers all versions of typescript/
     );
   });
 });
diff --git a/packages/typescript-versions/src/index.ts b/packages/typescript-versions/src/index.ts
index 8af68d56..e3962c2f 100644
--- a/packages/typescript-versions/src/index.ts
+++ b/packages/typescript-versions/src/index.ts
@@ -7,11 +7,13 @@ import assert from "assert";
   For the RC:
 
   1. Add a new version to the end of `TypeScriptVersion` and `supported`.
+    `supported` now contains the shipped versions, the RC, and the nightly.
   2. Update failing tests.
 
   For the release:
 
   1. Move the newly-released version from `supported` to `shipped`.
+    `supported` now contains the shipped versions and the nightly.
   2. Update failing tests.
 
   # How to deprecate an old version on Definitely Typed #
@@ -52,7 +54,7 @@ export type UnsupportedTypeScriptVersion =
  * Parseable and supported TypeScript versions.
  * Only add to this list if we will support this version on Definitely Typed.
  */
-export type TypeScriptVersion = "4.1" | "4.2" | "4.3" | "4.4" | "4.5" | "4.6" | "4.7" | "4.8" | "4.9";
+export type TypeScriptVersion = "4.1" | "4.2" | "4.3" | "4.4" | "4.5" | "4.6" | "4.7" | "4.8" | "4.9" | "5.0";
 
 export type AllTypeScriptVersion = UnsupportedTypeScriptVersion | TypeScriptVersion;
 
@@ -60,7 +62,7 @@ export namespace TypeScriptVersion {
   /** Add to this list when a version actually ships.  */
   export const shipped: readonly TypeScriptVersion[] = ["4.1", "4.2", "4.3", "4.4", "4.5", "4.6", "4.7", "4.8"];
   /** Add to this list when a version is available as typescript@next */
-  export const supported: readonly TypeScriptVersion[] = [...shipped, "4.9"];
+  export const supported: readonly TypeScriptVersion[] = [...shipped, "4.9", "5.0"];
   /** Add to this list when it will no longer be supported on Definitely Typed */
   export const unsupported: readonly UnsupportedTypeScriptVersion[] = [
     "2.0",