From 57248a9890d3f32d784faeb275f1ea05bf19ebe7 Mon Sep 17 00:00:00 2001
From: Neal Beeken <neal.beeken@mongodb.com>
Date: Fri, 7 Jul 2023 14:12:34 -0400
Subject: [PATCH] feat(NODE-5415)!: bump minimum Node.js version to v16.20.1

---
 .evergreen/config.yml              | 10 ----------
 .evergreen/install-dependencies.sh |  2 +-
 package-lock.json                  |  2 +-
 package.json                       |  2 +-
 rollup.config.mjs                  |  4 ++--
 test/load_bson.js                  |  8 ++------
 tsconfig.json                      |  4 ++--
 7 files changed, 9 insertions(+), 23 deletions(-)

diff --git a/.evergreen/config.yml b/.evergreen/config.yml
index 63888967..d602f68b 100644
--- a/.evergreen/config.yml
+++ b/.evergreen/config.yml
@@ -95,16 +95,6 @@ functions:
           - .evergreen/run-bundling-test.sh
 
 tasks:
-  - name: node-tests-v14
-    tags: ["node"]
-    commands:
-      - func: fetch source
-        vars:
-          NODE_LTS_VERSION: 14
-      - func: install dependencies
-      - func: run tests
-        vars:
-          TEST_TARGET: node
   - name: node-tests-v16
     tags: ["node"]
     commands:
diff --git a/.evergreen/install-dependencies.sh b/.evergreen/install-dependencies.sh
index 152a4aa5..cfdc2d55 100755
--- a/.evergreen/install-dependencies.sh
+++ b/.evergreen/install-dependencies.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -o errexit  # Exit the script with error if any of the commands fail
 
-NODE_LTS_VERSION=${NODE_LTS_VERSION:-14}
+NODE_LTS_VERSION=${NODE_LTS_VERSION:-16}
 
 source "${PROJECT_DIRECTORY}/.evergreen/init-node-and-npm-env.sh"
 
diff --git a/package-lock.json b/package-lock.json
index 8b4eaf5d..c3dff4ca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,7 +47,7 @@
         "v8-profiler-next": "^1.9.0"
       },
       "engines": {
-        "node": ">=14.20.1"
+        "node": ">=16.20.1"
       }
     },
     "etc/eslint/no-bigint-usage": {
diff --git a/package.json b/package.json
index ae1d8b00..4c28acde 100644
--- a/package.json
+++ b/package.json
@@ -94,7 +94,7 @@
     "require": "./lib/bson.cjs"
   },
   "engines": {
-    "node": ">=14.20.1"
+    "node": ">=16.20.1"
   },
   "scripts": {
     "pretest": "npm run build",
diff --git a/rollup.config.mjs b/rollup.config.mjs
index 8da8eb9e..b44e4cd7 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -9,11 +9,11 @@ const tsConfig = {
   checkJs: false,
   strict: true,
   alwaysStrict: true,
-  target: 'es2020',
+  target: 'es2021',
   module: 'esnext',
   moduleResolution: 'node',
   removeComments: true,
-  lib: ['es2020'],
+  lib: ['es2021'],
   importHelpers: false,
   noEmitHelpers: false,
   noEmitOnError: true,
diff --git a/test/load_bson.js b/test/load_bson.js
index c35b34a0..6951d346 100644
--- a/test/load_bson.js
+++ b/test/load_bson.js
@@ -5,15 +5,11 @@ const fs = require('node:fs');
 const path = require('node:path');
 const crypto = require('node:crypto');
 
-// TODO(NODE-4787): Node.js 16 was when the atob and btoa globals were introduced, so we need replacements for testing on 14
-const shim_btoa = input => Buffer.prototype.toString.call(Buffer.from(input), 'base64');
-const shim_atob = input => Buffer.from(input, 'base64').toString('binary');
-
 const commonGlobals = {
   TextEncoder,
   TextDecoder,
-  btoa: typeof btoa !== 'undefined' ? btoa : shim_btoa,
-  atob: typeof atob !== 'undefined' ? atob : shim_atob,
+  btoa,
+  atob,
   crypto: {
     getRandomValues(buffer) {
       const random = crypto.randomBytes(buffer.byteLength);
diff --git a/tsconfig.json b/tsconfig.json
index 38aa7fd0..b439bf5b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,12 +4,12 @@
     "checkJs": false,
     "strict": true,
     "alwaysStrict": true,
-    "target": "es2020",
+    "target": "es2021",
     "module": "commonjs",
     "moduleResolution": "node",
     "skipLibCheck": true,
     "lib": [
-      "es2020",
+      "es2021",
     ],
     "outDir": "lib",
     "importHelpers": false,