Drop support for TypeScript 4.7, support TypeScript 5.5 (#1019)

.changeset/late-dots-look.md

@@ -0,0 +1,7 @@
+---
+"@definitelytyped/typescript-packages": patch
+"@definitelytyped/typescript-versions": patch
+"@definitelytyped/header-parser": patch
+---
+
+Drop support for TypeScript 4.7, support TypeScript 5.5

packages/header-parser/test/index.test.ts

@@ -112,10 +112,10 @@ describe("makeTypesVersionsForPackageJson", () => {
     });
   });
   it("orders versions old to new  with old-to-new input", () => {
-    expect(JSON.stringify(makeTypesVersionsForPackageJson(["4.7", "5.0", "5.2"]), undefined, 4)).toEqual(`{
-    "<=4.7": {
+    expect(JSON.stringify(makeTypesVersionsForPackageJson(["4.8", "5.0", "5.2"]), undefined, 4)).toEqual(`{
+    "<=4.8": {
         "*": [
-            "ts4.7/*"
+            "ts4.8/*"
         ]
     },
     "<=5.0": {
@@ -131,10 +131,10 @@ describe("makeTypesVersionsForPackageJson", () => {
 }`);
   });
   it("orders versions old to new  with new-to-old input", () => {
-    expect(JSON.stringify(makeTypesVersionsForPackageJson(["5.2", "5.0", "4.7"]), undefined, 4)).toEqual(`{
-    "<=4.7": {
+    expect(JSON.stringify(makeTypesVersionsForPackageJson(["5.2", "5.0", "4.8"]), undefined, 4)).toEqual(`{
+    "<=4.8": {
         "*": [
-            "ts4.7/*"
+            "ts4.8/*"
         ]
     },
     "<=5.0": {

packages/publisher/test/generate-packages.test.ts

@@ -157,7 +157,7 @@ testo({
         "@types/madeira": "^1"
     },
     "typesPublisherContentHash": "05febc04df55db2687c2ac05a291177c2f4fd90f76d679faaf1b01896fe5600c",
-    "typeScriptVersion": "4.7"
+    "typeScriptVersion": "4.8"
 }`);
   },
   basicNotNeededPackageJson() {

packages/typescript-packages/package.json

@@ -22,7 +22,6 @@
   },
   "dependencies": {
     "@definitelytyped/typescript-versions": "workspace:*",
-    "typescript-4.7": "npm:typescript@~4.7.0-0",
     "typescript-4.8": "npm:typescript@~4.8.0-0",
     "typescript-4.9": "npm:typescript@~4.9.0-0",
     "typescript-5.0": "npm:typescript@~5.0.0-0",

packages/typescript-versions/src/index.ts

@@ -41,9 +41,9 @@ export type AllTypeScriptVersion = UnsupportedTypeScriptVersion | TypeScriptVers
 
 export namespace TypeScriptVersion {
   /** Add to this list when a version actually ships.  */
-  export const shipped = ["4.7", "4.8", "4.9", "5.0", "5.1", "5.2", "5.3", "5.4"] as const;
+  export const shipped = ["4.8", "4.9", "5.0", "5.1", "5.2", "5.3", "5.4", "5.5"] as const;
   /** Add to this list when a version is available as typescript@next */
-  export const supported = [...shipped, "5.5", "5.6"] as const;
+  export const supported = [...shipped, "5.6"] as const;
   /** Add to this list when it will no longer be supported on Definitely Typed */
   export const unsupported = [
     "2.0",
@@ -73,6 +73,7 @@ export namespace TypeScriptVersion {
     "4.4",
     "4.5",
     "4.6",
+    "4.7",
   ] as const;
   export const all: readonly AllTypeScriptVersion[] = [...unsupported, ...supported];
   export const lowest = supported[0];

packages/typescript-versions/test/index.test.ts

@@ -20,11 +20,11 @@ describe("isSupported", () => {
   it("works", () => {
     expect(TypeScriptVersion.isSupported("5.1")).toBeTruthy();
   });
-  it("supports 4.7", () => {
-    expect(TypeScriptVersion.isSupported("4.7")).toBeTruthy();
+  it("supports 4.8", () => {
+    expect(TypeScriptVersion.isSupported("4.8")).toBeTruthy();
   });
-  it("does not support 4.6", () => {
-    expect(!TypeScriptVersion.isSupported("4.6")).toBeTruthy();
+  it("does not support 4.7", () => {
+    expect(!TypeScriptVersion.isSupported("4.7")).toBeTruthy();
   });
 });
 
@@ -44,8 +44,8 @@ describe("range", () => {
   it("works", () => {
     expect(TypeScriptVersion.range("4.9")).toEqual(["4.9", "5.0", "5.1", "5.2", "5.3", "5.4", "5.5", "5.6"]);
   });
-  it("includes 4.7 onwards", () => {
-    expect(TypeScriptVersion.range("4.7")).toEqual(TypeScriptVersion.supported);
+  it("includes 4.8 onwards", () => {
+    expect(TypeScriptVersion.range("4.8")).toEqual(TypeScriptVersion.supported);
   });
 });
 
@@ -62,8 +62,8 @@ describe("tagsToUpdate", () => {
       "latest",
     ]);
   });
-  it("allows 4.7 onwards", () => {
-    expect(TypeScriptVersion.tagsToUpdate("4.7")).toEqual(
+  it("allows 4.8 onwards", () => {
+    expect(TypeScriptVersion.tagsToUpdate("4.8")).toEqual(
       TypeScriptVersion.supported.map((s) => "ts" + s).concat("latest"),
     );
   });