switch to vitest, deprecate support for node v18

Author: williamstein

.github/workflows/test.yml

@@ -28,7 +28,6 @@ jobs:
       matrix:
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
         node-version:
-          - "18"
           - "20"
           - "22"
           - "24"

README.md

@@ -51,7 +51,7 @@ I've been adding load tests to the unit tests in various places. Generally speak
 
 We run GitHUB CI on the following:
 
-- nodejs versions 18, 20, 22, and 24
+- nodejs versions 20, 22, and 24
 
 **Development:**
 

lib/test/http/empty-req-url.test.ts

@@ -2,6 +2,7 @@ import express from "express";
 import getPort from "../get-port";
 import ProxyServer, { createServer } from "../..";
 import http from "node:http";
+import { describe, it, expect } from "vitest";
 
 describe("test empty req.url", () => {
   let port: number, server: http.Server;
@@ -27,7 +28,7 @@ describe("test empty req.url", () => {
       res.end("Something went wrong.");
     });
     httpServer = http.createServer((req, res) => {
-      req.url = '' + new URL(`http://example.com${req.url}`).search;
+      req.url = "" + new URL(`http://example.com${req.url}`).search;
       proxy.web(req, res, { target: `http://localhost:${port}/test` });
     });
 
@@ -41,8 +42,8 @@ describe("test empty req.url", () => {
 
   it("get using the proxy", async () => {
     expect(await getProxy("")).toBe("Test Page!: {}");
-    expect(await getProxy("?foo")).toBe("Test Page!: {\"foo\":\"\"}");
-    expect(await getProxy("?foo=bar")).toBe("Test Page!: {\"foo\":\"bar\"}");
+    expect(await getProxy("?foo")).toBe('Test Page!: {"foo":""}');
+    expect(await getProxy("?foo=bar")).toBe('Test Page!: {"foo":"bar"}');
   });
 
   it("clean up", () => {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "http-proxy-3",
-  "version": "1.20.14",
+  "version": "1.20.15",
   "repository": {
     "type": "git",
     "url": "https://github.com/sagemathinc/http-proxy-3.git"
@@ -56,7 +56,7 @@
   "scripts": {
     "test": "NODE_TLS_REJECT_UNAUTHORIZED=0 pnpm exec vitest run",
     "test-all": "pnpm audit && TEST_EXTERNAL_REVERSE_PROXY=yes pnpm test --pool threads --poolOptions.threads.singleThread",
-    "test-versions": ". \"$NVM_DIR/nvm.sh\" && nvm use 18 && pnpm test && nvm use 20 && pnpm test && nvm use 22 && pnpm test && nvm use 24 && pnpm test && nvm use 20",
+    "test-versions": "bash -c '. \"$NVM_DIR/nvm.sh\" && nvm use 20 && pnpm test && nvm use 22 && pnpm test && nvm use 24 && pnpm test'",
     "clean": "rm -rf dist node_modules",
     "build": "pnpm exec tsc --build",
     "make": "pnpm clean && pnpm install && pnpm build && pnpm test",