build: bundle code into one JS module

.github/workflows/benchmark.yml

@@ -25,8 +25,10 @@ jobs:
           node-version: 20
       - name: Install dependencies
         run: npm install
-      - name: Compile sources
-        run: npm run compile
+      - name: Build bundle
+        run: npm run build:bundle
+      - name: Replace the entrypoint with a bundle
+        run: npm run build:bundle:replace
       - name: Benchmark (async)
         run: npm run bench:product:async
       - name: Benchmark (stream)

.github/workflows/main.yml

@@ -36,8 +36,10 @@ jobs:
           node-version: ${{ matrix.node_version }}
       - name: Install dependencies
         run: npm install
-      - name: Compile sources
-        run: npm run compile
+      - name: Build bundle
+        run: npm run build:bundle
+      - name: Replace the entrypoint with a bundle
+        run: npm run build:bundle:replace
       - name: Run Hygiene Checks
         run: npm run lint
       - name: Run unit tests

.gitignore

@@ -15,6 +15,7 @@ node_modules/
 .tmp/
 .benchmark/
 out/
+build/
 
 # Other files
 package-lock.json

package.json

@@ -11,13 +11,13 @@
   "engines": {
     "node": ">=16.14.0"
   },
-  "main": "out/index.js",
-  "typings": "out/index.d.ts",
+  "main": "build/index.js",
+  "typings": "build/index.d.ts",
   "files": [
-    "out",
-    "!out/{benchmark,tests}",
-    "!out/**/*.map",
-    "!out/**/*.spec.*"
+    "build",
+    "!build/{benchmark,tests}",
+    "!build/**/*.map",
+    "!build/**/*.spec.*"
   ],
   "keywords": [
     "glob",
@@ -35,6 +35,7 @@
     "@types/picomatch": "^2.3.0",
     "@types/sinon": "^10.0.15",
     "bencho": "^0.1.1",
+    "esbuild": "^0.19.5",
     "eslint": "^8.46.0",
     "eslint-config-mrmlnc": "^4.0.1",
     "execa": "^7.2.0",
@@ -56,16 +57,22 @@
     "micromatch": "^4.0.5"
   },
   "scripts": {
-    "clean": "rimraf out",
+    "clean": "rimraf out build",
     "lint": "eslint \"src/**/*.ts\" --cache",
     "compile": "tsc",
     "test": "mocha \"out/**/*.spec.js\" -s 0",
     "test:e2e": "mocha \"out/**/*.e2e.js\" -s 0",
     "test:e2e:sync": "mocha \"out/**/*.e2e.js\" -s 0 --grep \"\\(sync\\)\"",
     "test:e2e:async": "mocha \"out/**/*.e2e.js\" -s 0 --grep \"\\(async\\)\"",
     "test:e2e:stream": "mocha \"out/**/*.e2e.js\" -s 0 --grep \"\\(stream\\)\"",
-    "build": "npm run clean && npm run compile && npm run lint && npm test",
-    "watch": "npm run clean && npm run compile -- --sourceMap --watch",
+    "_build:compile": "npm run clean && npm run compile",
+    "build": "npm run _build:compile && npm run lint && npm test",
+    "watch": "npm run _build:compile -- --sourceMap --watch",
+    "_build:bundle:dts": "tsc --emitDeclarationOnly --outDir ./build",
+    "_build:bundle:ts": "esbuild --bundle ./src/index.ts --outfile=./build/index.js --platform=node --target=node16.14",
+    "_build:bundle": "npm run _build:bundle:dts && npm run _build:bundle:ts",
+    "build:bundle": "npm run _build:compile && npm run _build:bundle",
+    "build:bundle:replace": "npm run _build:bundle:ts -- --outfile=./out/index.js",
     "bench:async": "npm run bench:product:async && npm run bench:regression:async",
     "bench:stream": "npm run bench:product:stream && npm run bench:regression:stream",
     "bench:sync": "npm run bench:product:sync && npm run bench:regression:sync",

src/utils/pattern.ts

@@ -1,6 +1,8 @@
 import * as path from 'node:path';
 
-import * as globParent from 'glob-parent';
+// https://stackoverflow.com/a/39415662
+// eslint-disable-next-line @typescript-eslint/no-require-imports
+import globParent = require('glob-parent');
 import * as micromatch from 'micromatch';
 
 import type { MicromatchOptions, Pattern, PatternRe } from '../types';

src/utils/stream.ts

@@ -1,4 +1,6 @@
-import * as merge2 from 'merge2';
+// https://stackoverflow.com/a/39415662
+// eslint-disable-next-line @typescript-eslint/no-require-imports
+import merge2 = require('merge2');
 
 import type { Readable } from 'node:stream';