feat(NODE-6625)!: remove support for Node 16 and 18

.eslintrc.json

@@ -19,7 +19,7 @@
   },
   "parser": "@typescript-eslint/parser",
   "parserOptions": {
-    "ecmaVersion": 2020,
+    "ecmaVersion": 2023,
     "project": [
       "./tsconfig.json"
     ]

.evergreen/config.yml

@@ -134,37 +134,12 @@ functions:
         args:
           - .evergreen/run-spec-benchmarks.sh
 tasks:
-  - name: node-tests-v16
-    tags: ["node"]
-    commands:
-      - func: fetch source
-        vars:
-          NODE_LTS_VERSION: 16
-          NPM_VERSION: 9
-      - func: install dependencies
-        vars:
-          NODE_LTS_VERSION: 16
-          NPM_VERSION: 9
-      - func: run tests
-        vars:
-          TEST_TARGET: node
-  - name: node-tests-v18
-    tags: ["node"]
-    commands:
-      - func: fetch source
-        vars:
-          NODE_LTS_VERSION: 18
-          NPM_VERSION: 10
-      - func: install dependencies
-      - func: run tests
-        vars:
-          TEST_TARGET: node
   - name: node-tests-v20
     tags: ["node"]
     commands:
       - func: fetch source
         vars:
-          NODE_LTS_VERSION: 20
+          NODE_LTS_VERSION: "20.19.0"
       - func: install dependencies
       - func: run tests
   - name: node-tests-v22
@@ -256,8 +231,8 @@ tasks:
     commands:
       - func: fetch source
         vars:
-          # This needs to stay pinned at Node v18.16.0 for consistency across perf runs.
-          NODE_LTS_VERSION: v18.16.0
+          # This needs to stay pinned at Node v22.11.0 for consistency across perf runs.
+          NODE_LTS_VERSION: v22.11.0
           NPM_VERSION: 9
       - func: install dependencies
         vars:
@@ -273,8 +248,8 @@ tasks:
     commands:
       - func: fetch source
         vars:
-          # This needs to stay pinned at Node v18.16.0 for consistency across perf runs.
-          NODE_LTS_VERSION: v18.16.0
+          # This needs to stay pinned at Node v22.11.0 for consistency across perf runs.
+          NODE_LTS_VERSION: v22.11.0
           NPM_VERSION: 9
       - func: install dependencies
         vars:
@@ -287,8 +262,8 @@ tasks:
     commands:
       - func: fetch source
         vars:
-          # This needs to stay pinned at Node v18.16.0 for consistency across perf runs.
-          NODE_LTS_VERSION: v18.16.0
+          # This needs to stay pinned at Node v22.11.0 for consistency across perf runs.
+          NODE_LTS_VERSION: v22.11.0
           NPM_VERSION: 9
       - func: install dependencies
         vars:

.evergreen/install-dependencies.sh

@@ -5,7 +5,7 @@ set -o errexit  # Exit the script with error if any of the commands fail
 ## a nodejs major version (i.e., 16)
 ## 'latest'
 ## a full nodejs version, in the format v<major>.<minor>.patch
-export NODE_LTS_VERSION=${NODE_LTS_VERSION:-16}
+export NODE_LTS_VERSION=${NODE_LTS_VERSION:-20.19.0}
 # npm version can be defined in the environment for cases where we need to install
 # a version lower than latest to support EOL Node versions. When not provided will
 # be handled by this script in drivers tools.

.github/dependabot.yml

@@ -20,9 +20,6 @@ updates:
       # sinon-chai 4.x+ supports chai 5.x+.
       - dependency-name: "sinon-chai"
         versions: [">=4.0.0"]
-      # nyc is Node18+ only starting on nyc@16.x.
-      - dependency-name: "nyc"
-        versions: [">=16.0.0"]
       # we ignore TS as a part of quarterly dependency updates.
       - dependency-name: "typescript"
     groups:

etc/eslint/no-bigint-usage/test/no_bigint_literals.test.js

@@ -1,7 +1,7 @@
 const { rules } = require('../index');
 const { RuleTester } = require('eslint');
 
-const ruleTester = new RuleTester({ languageOptions: { ecmaVersion: 2020 } });
+const ruleTester = new RuleTester({ languageOptions: { ecmaVersion: 2023 } });
 
 ruleTester.run('no-bigint-literals', rules['no-bigint-literals'], {
   valid: [{

package.json

@@ -93,7 +93,7 @@
     "require": "./lib/bson.cjs"
   },
   "engines": {
-    "node": ">=16.20.1"
+    "node": ">=20.19.0"
   },
   "scripts": {
     "pretest": "npm run build",
@@ -117,4 +117,4 @@
     "prepare": "node etc/prepare.js",
     "release": "standard-version -i HISTORY.md"
   }
-}
+}

rollup.config.mjs

@@ -9,11 +9,11 @@ const tsConfig = {
   checkJs: false,
   strict: true,
   alwaysStrict: true,
-  target: 'es2021',
+  target: 'es2023',
   module: 'esnext',
   moduleResolution: 'node',
   removeComments: true,
-  lib: ['es2021', 'ES2022.Error'],
+  lib: ['es2023'],
   importHelpers: false,
   noEmitHelpers: false,
   noEmitOnError: true,

test/.eslintrc.json

@@ -14,7 +14,7 @@
     "globalThis": true
   },
   "parserOptions": {
-    "ecmaVersion": 2020
+    "ecmaVersion": 2023
   },
   "extends": [
     "eslint:recommended",

test/bench/custom/main.mjs

@@ -37,7 +37,9 @@ async function completeSuite() {
   if (++completedSuites >= collectedSuites.length) {
     let cpuBaselineResults;
     try {
-      cpuBaselineResults = await import('../etc/cpuBaseline.json', { assert: { type: 'json' } });
+      cpuBaselineResults = await import('../etc/cpuBaseline.json', {
+        with: { type: 'json' }
+      });
     } catch (cause) {
       throw new Error("Couldn't find baseline results", { cause });
     }

tsconfig.json

@@ -4,14 +4,13 @@
     "checkJs": false,
     "strict": true,
     "alwaysStrict": true,
-    "target": "es2021",
+    "target": "es2023",
     "module": "commonjs",
     "moduleResolution": "node",
     "skipLibCheck": true,
     "erasableSyntaxOnly": true,
     "lib": [
-      "es2021",
-      "ES2022.Error"
+      "es2023"
     ],
     "outDir": "lib",
     "importHelpers": false,
@@ -35,4 +34,4 @@
   "include": [
     "src/**/*"
   ]
-}
+}