build(deps)!: update tooling for Node.js 18

.github/workflows/build.yml

@@ -15,25 +15,29 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v7
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v7
+        with:
+          node-version: 18.x
 
       - name: Prepare
         id: preparation
         run: |
-          export PWD=$(pwd);
-          echo "::set-output name=PROJ_ROOT::$PWD";
+          echo "PROJ_ROOT=$GITHUB_WORKSPACE" >> "$GITHUB_OUTPUT"
 
       - name: Set up Docker
         uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1
 
       - name: Install
-        run: npm install
+        run: npm ci
 
       - name: Install wabt
         env:
           PROJ_ROOT: ${{ steps.preparation.outputs.PROJ_ROOT }}
         run: |
-          cd $PROJ_ROOT;
+          cd "$PROJ_ROOT";
           cd ../;
           if [[ "$RUNNER_OS" == "Linux" ]]; then
             export WABT_OS="ubuntu";
@@ -44,17 +48,17 @@ jobs:
           if [[ "$RUNNER_OS" == "Windows" ]]; then
             export WABT_OS="windows";
           fi
-          curl -sL https://github.com/WebAssembly/wabt/releases/download/${WABT_VERSION}/wabt-${WABT_VERSION}-${WABT_OS}.tar.gz -O
+          curl -fsSL "https://github.com/WebAssembly/wabt/releases/download/${WABT_VERSION}/wabt-${WABT_VERSION}-${WABT_OS}.tar.gz" -O
           # check if package downloaded
           ls -la
-          tar xvf wabt-${WABT_VERSION}-${WABT_OS}.tar.gz
+          tar xvf "wabt-${WABT_VERSION}-${WABT_OS}.tar.gz"
           # check if wabt binaries installed
-          ls -la ./wabt-${WABT_VERSION}/bin/
+          ls -la "./wabt-${WABT_VERSION}/bin/"
       - name: Compile to Wasm & Test Wasm
         env:
           PROJ_ROOT: ${{ steps.preparation.outputs.PROJ_ROOT }}
         run: |
-          cd $PROJ_ROOT;
+          cd "$PROJ_ROOT";
           rm lib/lexer.wasm;
           npm run build-wasm;
           npm run build;
@@ -64,5 +68,5 @@ jobs:
         env:
           PROJ_ROOT: ${{ steps.preparation.outputs.PROJ_ROOT }}
         run: |
-          cd $PROJ_ROOT;
+          cd "$PROJ_ROOT";
           npm run bench;

.github/workflows/node.js.yml

@@ -1,13 +1,10 @@
-# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
-
 name: Node.js CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
@@ -16,13 +13,12 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
-        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+        node-version: [18.x, 20.x, 22.x, 24.x, 26.x]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v7
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v7
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm ci

README.md

@@ -367,7 +367,7 @@ Where the `__export(require("external"))` statement is explicitly detected as a
 
 ### Environment Support
 
-Node.js 10+, and [all browsers with Web Assembly support](https://caniuse.com/#feat=wasm).
+Node.js 18+, and [all browsers with Web Assembly support](https://caniuse.com/#feat=wasm).
 
 ### JS Grammar Support
 

bench/index.mjs

@@ -19,7 +19,8 @@ const files = fs.readdirSync('test/samples')
 		};
 	});
 
-Promise.resolve().then(async () => {
+{
+	/** @param {string} code */
 	function timeRun (code) {
 		const start = process.hrtime.bigint();
 		const parsed = parse(code);
@@ -32,7 +33,7 @@ Promise.resolve().then(async () => {
 	{
 		const start = process.hrtime.bigint();
 		var { parse } = await import('../lexer.js');
-		console.log(`> ${c.bold.green(Math.round(Number(process.hrtime.bigint() - start) / 1e6) + 'ms')}`);
+		console.log(`> ${c.bold().green(Math.round(Number(process.hrtime.bigint() - start) / 1e6) + 'ms')}`);
 	}
 
 	doRun();
@@ -43,7 +44,7 @@ Promise.resolve().then(async () => {
 		const start = process.hrtime.bigint();
 		var { parse, init } = await import('../dist/lexer.mjs');
 		await init();
-		console.log(`> ${c.bold.green(Math.round(Number(process.hrtime.bigint() - start) / 1e6) + 'ms')}`);
+		console.log(`> ${c.bold().green(Math.round(Number(process.hrtime.bigint() - start) / 1e6) + 'ms')}`);
 	}
 
 	doRun();
@@ -57,22 +58,22 @@ Promise.resolve().then(async () => {
 				totalSize += size;
 				total += timeRun(code);
 			});
-			console.log(c.bold.cyan(`test/samples/*.js (${Math.round(totalSize / 1e3)} KiB)`));
-			console.log(`> ${c.bold.green(total + 'ms')}`);
+			console.log(c.bold().cyan(`test/samples/*.js (${Math.round(totalSize / 1e3)} KiB)`));
+			console.log(`> ${c.bold().green(total + 'ms')}`);
 			gc();
 		}
 
 		console.log(`\nWarm Runs (average of ${n} runs)`);
 		files.forEach(({ file, code, size }) => {
-			console.log(c.bold.cyan(`${file} (${Math.round(size / 1e3)} KiB)`));
+			console.log(c.bold().cyan(`${file} (${Math.round(size / 1e3)} KiB)`));
 
 			let total = 0;
 			for (let i = 0; i < n; i++) {
 				total += timeRun(code);
 				gc();
 			}
 
-			console.log(`> ${c.bold.green((total / n) + 'ms')}`);
+			console.log(`> ${c.bold().green((total / n) + 'ms')}`);
 		});
 
 		console.log(`\nWarm Runs, All Samples (average of ${n} runs)`);
@@ -83,8 +84,8 @@ Promise.resolve().then(async () => {
 					total += timeRun(code);
 				});
 			}
-			console.log(c.bold.cyan(`test/samples/*.js (${Math.round(totalSize / 1e3)} KiB)`));
-			console.log(`> ${c.bold.green((total / n) + 'ms')}`);
+			console.log(c.bold().cyan(`test/samples/*.js (${Math.round(totalSize / 1e3)} KiB)`));
+			console.log(`> ${c.bold().green((total / n) + 'ms')}`);
 		}
 	}
-});
+}

build.js

@@ -1,7 +1,7 @@
-const fs = require('fs');
-const terser = require('terser');
+const fs = require('node:fs');
 
-const MINIFY = true;
+const babel = require('@babel/core');
+const terser = require('terser');
 
 try { fs.mkdirSync('./dist'); }
 catch (e) {}
@@ -12,14 +12,20 @@ const pjson = JSON.parse(fs.readFileSync('./package.json').toString());
 
 const jsSourceProcessed = jsSource.replace('WASM_BINARY', wasmBuffer.toString('base64'));
 
-const minified = MINIFY && terser.minify(jsSourceProcessed, {
+const minified = terser.minify_sync(jsSourceProcessed, {
   module: true,
   output: {
     preamble: `/* cjs-module-lexer ${pjson.version} */`
   }
 });
 
-if (minified.error)
-  throw minified.error;
+fs.writeFileSync('./dist/lexer.mjs', minified.code);
+
+const cjsSource = babel.transformSync(minified.code, {
+  babelrc: false,
+  configFile: false,
+  plugins: [['@babel/plugin-transform-modules-commonjs', { strict: true }]]
+}).code;
+const cjsMinified = terser.minify_sync(cjsSource);
 
-fs.writeFileSync('./dist/lexer.mjs', minified ? minified.code : jsSourceProcessed);
+fs.writeFileSync('./dist/lexer.js', cjsMinified.code);