chore!: remove typescript 3 support

Author: danielpza

package.json

@@ -66,8 +66,7 @@
     "@types/node": "^24.3.0",
     "@types/ts-expose-internals": "npm:ts-expose-internals@4.9.5",
     "@types/ts-node": "npm:ts-node@^10.9.2",
-    "@types/typescript-3": "npm:typescript@3.x",
-    "@types/typescript-4.7": "npm:typescript@4.9.x",
+    "@types/typescript-4.7": "npm:typescript@4.7.x",
     "changelogen": "^0.5.5",
     "eslint": "9.x",
     "globals": "^15.9.0",
@@ -78,8 +77,7 @@
     "typescript-eslint": "^8.3.0"
   },
   "peerDependencies": {
-    "ts-node": ">=10",
-    "typescript": ">=3.6.5"
+    "typescript": ">=4"
   },
   "peerDependenciesMeta": {
     "ts-node": {

src/harmony/harmony-factory.ts

@@ -1,6 +1,6 @@
 import TS from "typescript";
 import { TsTransformPathsContext } from "../types";
-import { TsFourSeven, TsThreeEight } from "./versions";
+import { TsFourSeven } from "./versions";
 
 /* ****************************************************************************************************************** */
 // region: Types
@@ -18,9 +18,7 @@ export interface HarmonyFactory extends TS.NodeFactory {}
 export function createHarmonyFactory(context: TsTransformPathsContext): HarmonyFactory {
   return new Proxy(context.tsFactory ?? context.tsInstance, {
     get(target, prop) {
-      if (TsThreeEight.predicate(context)) {
-        return TsThreeEight.handler(context, prop);
-      } else if (TsFourSeven.predicate(context)) {
+      if (TsFourSeven.predicate(context)) {
         return TsFourSeven.handler(context, prop);
       } else {
         // @ts-expect-error TS(7053) FIXME: Element implicitly has an 'any' type because expression of type 'string | symbol' can't be used to index type 'typeof import("typescript") | NodeFactory'.

src/harmony/versions/index.ts

@@ -1,2 +1 @@
-export * as TsThreeEight from "./three-eight";
 export * as TsFourSeven from "./four-seven";

src/harmony/versions/three-eight.ts

@@ -1,12 +1,10 @@
 import ts from "typescript";
-import tsThree from "typescript-3";
 import tsFourSeven from "typescript-4.7";
 import tsFiveFive from "typescript-5.5";
 import tsFiveSix from "typescript-5.6";
 import path from "node:path";
 
 export const tsModules = <const>[
-  ["3.6.5", tsThree, "typescript-3"],
   ["4.7.4", tsFourSeven, "typescript-4.7"],
   ["5.5.4", tsFiveFive, "typescript-5.5"],
   ["5.6.3", tsFiveSix, "typescript-5.6"],

test/config.ts

@@ -22,7 +22,6 @@
     "tsp1": "npm:ts-patch@1.*.*",
     "tsp2": "npm:ts-patch@2.*.*",
     "typescript": "^5.7.2",
-    "typescript-3": "npm:typescript@3.6.5",
     "typescript-4.7": "npm:typescript@4.7.4",
     "typescript-5.5": "npm:typescript@5.5.4",
     "typescript-5.6": "npm:typescript@5.6.3",

test/package.json

@@ -4,7 +4,6 @@ import { symlink } from "node:fs/promises";
 import { dirname, resolve } from "node:path";
 import { fileURLToPath } from "node:url";
 import { patch } from "ts-patch";
-import { patch as patch1 } from "tsp1";
 import { patch as patch2 } from "tsp2";
 
 const __dirname = dirname(fileURLToPath(import.meta.url)); // https://stackoverflow.com/questions/46745014/alternative-for-dirname-in-node-js-when-using-es6-modules
@@ -28,7 +27,6 @@ function patchTsModules() {
     tspatch(["tsc.js", "typescript.js"], { basedir, dir: basedir });
   }
 
-  patchTypescript("typescript-3", patch1);
   patchTypescript("typescript-4.7", patch2);
   patchTypescript("typescript-5.5", patch);
   patchTypescript("typescript-5.6", patch);

test/prepare.mjs

@@ -8095,7 +8095,6 @@ __metadata:
     tsp1: "npm:ts-patch@1.*.*"
     tsp2: "npm:ts-patch@2.*.*"
     typescript: "npm:^5.7.2"
-    typescript-3: "npm:typescript@3.6.5"
     typescript-4.7: "npm:typescript@4.7.4"
     typescript-5.5: "npm:typescript@5.5.4"
     typescript-5.6: "npm:typescript@5.6.3"
@@ -9237,16 +9236,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript-3@npm:typescript@3.6.5":
-  version: 3.6.5
-  resolution: "typescript@npm:3.6.5"
-  bin:
-    tsc: bin/tsc
-    tsserver: bin/tsserver
-  checksum: 10c0/b6f0d5d2e2325b28460b8cf3a4a1237d79aec9951ad727014d4ca570327cc5947decec5d262044979cc0a9ab63746b58e6d8438d73d33ce8415e5369d0490dff
-  languageName: node
-  linkType: hard
-
 "typescript-4.7@npm:typescript@4.7.4":
   version: 4.7.4
   resolution: "typescript@npm:4.7.4"
@@ -9283,8 +9272,7 @@ __metadata:
   dependencies:
     minimatch: "npm:^9.0.5"
   peerDependencies:
-    ts-node: ">=10"
-    typescript: ">=3.6.5"
+    typescript: ">=4"
   peerDependenciesMeta:
     ts-node:
       optional: true