Switch from webpack to esbuild; upgrade devDependencies

.eslintignore

@@ -0,0 +1,2 @@
+lib/
+!.eslintrc.js

.eslintrc.js

@@ -5,11 +5,7 @@ module.exports = {
   },
   parser: '@typescript-eslint/parser',
   plugins: ['@typescript-eslint'],
-  extends: [
-    'eslint:recommended',
-    'plugin:@typescript-eslint/recommended',
-    'plugin:prettier/recommended',
-  ],
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'plugin:prettier/recommended'],
   rules: {
     '@typescript-eslint/ban-ts-comment': 'off',
     '@typescript-eslint/no-explicit-any': 'off',

esbuild.mjs

@@ -0,0 +1,26 @@
+import * as esbuild from 'esbuild';
+
+const options = {
+  entryPoints: ['src/index.ts'],
+  bundle: true,
+  minify: process.env.NODE_ENV !== 'development',
+  sourcemap: process.env.NODE_ENV === 'development',
+  mainFields: ['module', 'main'],
+  external: ['coc.nvim'],
+  platform: 'node',
+  target: 'node16',
+  outfile: 'lib/index.js',
+  // https://esbuild.github.io/api/#log-level
+  logLevel: process.env.NODE_ENV === 'development' ? 'info' : 'error',
+};
+
+if (process.argv.length > 2 && process.argv[2] === '--watch') {
+  const ctx = await esbuild.context(options);
+  await ctx.watch();
+  console.log('watching...');
+} else {
+  const result = await esbuild.build(options);
+  if (result.errors.length) {
+    console.error(result.errors);
+  }
+}

gulpfile.js

@@ -1,29 +1,22 @@
-const gulp = require("gulp");
-const cp = require('child_process');
+const gulp = require('gulp'); // eslint-disable-line @typescript-eslint/no-var-requires
+const cp = require('child_process'); // eslint-disable-line @typescript-eslint/no-var-requires
 
 const server_dir = '../java-debug';
 
 gulp.task('build_server', () => {
   cp.execSync(mvnw() + ' clean package', {
     cwd: server_dir,
-    stdio: [0, 1, 2]
+    stdio: [0, 1, 2],
   });
-  return gulp.src(server_dir + '/com.microsoft.java.debug.plugin/target/com.microsoft.java.debug.*.jar')
+  return gulp
+    .src(server_dir + '/com.microsoft.java.debug.plugin/target/com.microsoft.java.debug.*.jar')
     .pipe(gulp.dest('./server'));
 });
 
 function isWin() {
   return /^win/.test(process.platform);
 }
 
-function isMac() {
-  return /^darwin/.test(process.platform);
-}
-
-function isLinux() {
-  return /^linux/.test(process.platform);
-}
-
 function mvnw() {
-  return isWin() ? "mvnw.cmd" : "./mvnw";
+  return isWin() ? 'mvnw.cmd' : './mvnw';
 }