chore: switch back to nodejs 16, use imports in tests

Author: mdevils

.github/workflows/build.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [16.x]
     steps:
       - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}

test/ast.test.ts

@@ -1,6 +1,5 @@
+import {ast} from './import';
 import {AstEntity} from '../src';
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const {ast} = require('./import');
 
 const lcFirst = (s: string) => s[0].toLowerCase() + s.slice(1);
 

test/import.ts

@@ -1,4 +1,6 @@
 import * as Lib from '../src';
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires
-export = require(process.env.TEST_LIB ? '../lib' : '../src') as typeof Lib;
+const {ast, render, createParser} = require(process.env.TEST_LIB ? '../lib' : '../src') as typeof Lib;
+
+export {ast, render, createParser};

test/parser.test.ts

@@ -1,5 +1,4 @@
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const {createParser, ast} = require('./import');
+import {createParser, ast} from './import';
 
 describe('parse()', () => {
     const parse = createParser({

test/render.test.ts

@@ -1,5 +1,4 @@
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const {createParser, render} = require('./import');
+import {createParser, render} from './import';
 
 const testCases = {
     '.class': '.class',