chore: use es2018

Author: Victor Ayogu

.github/workflows/nodejs.yml

@@ -27,8 +27,6 @@ jobs:
       - name: Update npm to 8.x
         run: |
           npm i -g npm@8
-          npm --version
-          node --version
       - name: npm install, build, and test
         run: |
           npm install

tsconfig.base.json

@@ -5,7 +5,7 @@
     "target": "es2018" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */,
     "module": "commonjs" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
     "lib": [
-      "es2017",
+      "es2018",
       "dom"
     ] /* Specify library files to be included in the compilation. */,
     // "allowJs": true /* Allow javascript files to be compiled. */,