chore: Remove support for Node 14

BREAKING CHANGE: Support for Node 14 has been removed.
Official support ended more than two months ago.

README.md

@@ -16,7 +16,7 @@
 
 Supported platforms:
 * Mainstream os: Linux distros, macOS, and Windows.
-* Node.js: any up-to-date major versions that is not in end-of-life -- ie: 14, 16, 18, and 19.
+* Node.js: any up-to-date major versions that is not in end-of-life -- ie: 16, 18, and 19.
 * Express.js: 4.
 * git is highly recommended.
 * mocha >= 8.0.0 is required for recording AppMaps from test cases (earlier versions do not support required root hooks).

components/status/node/index.mjs

@@ -66,11 +66,7 @@ export const run = (root) => {
 
   const mocha_info = externals.lsPackage(root, "mocha");
   const package_json = parseJSON(mocha_info);
-  // It's possible we'll be run in a pre-14 Node VM, so don't use the
-  // optional-chaining operator here.
-  const deps = package_json.dependencies;
-  const mocha = deps && deps.mocha;
-  const mocha_version = mocha && mocha.version;
+  const mocha_version = package_json.dependencies?.mocha?.version;
   if (mocha_version) {
     if (!semver.satisfies(mocha_version, ">= 8")) {
       errors.push({

components/status/node/status.spec.mjs

@@ -14,7 +14,7 @@ describe("the status command", () => {
     externals.getPlatform = sinon.stub().returns("darwin");
     externals.lsPackage = sinon.stub().returns("{}");
     externals.showResults = sinon.stub();
-    externals.getNodeVersion = sinon.stub().returns("14.19.0");
+    externals.getNodeVersion = sinon.stub().returns("16.18.1");
 
     // Make sure we got them all, notCalled will be undefined if the function
     // hasn't been replaced.
@@ -40,7 +40,7 @@ describe("the status command", () => {
 
   describe("run", () => {
     it("fails for unsupported node", () => {
-      const node_version = "13.0";
+      const node_version = "14.19.0";
       externals.getNodeVersion = sinon.stub().returns(node_version);
       const result = JSON.parse(run(process));
       assert(externals.getNodeVersion.calledOnce);

package.json

@@ -7,7 +7,7 @@
   "main": "lib/node/recorder-api.mjs",
   "license": "MIT",
   "engines": {
-    "node": "14.x.x || 16.x.x || 17.x.x || 18.x.x || 19.x.x"
+    "node": "16.x.x || 17.x.x || 18.x.x || 19.x.x"
   },
   "licence": "MIT",
   "keywords": [