feat: use esbuild v0.9.0 and set "logLevel" to "error"

.npmignore

@@ -5,9 +5,9 @@ tsconfig.json
 .tags
 .DS_Store
 webpack.config.js
+esbuild.js
 yarn.lock
 yarn-error.log
 .github
 .eslintrc.js
 .prettierrc
-.eslintrc.js

esbuild.js

@@ -0,0 +1,34 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+async function start(watch) {
+  await require('esbuild').build({
+    entryPoints: ['src/index.ts'],
+    bundle: true,
+    watch,
+    minify: process.env.NODE_ENV === 'production',
+    sourcemap: process.env.NODE_ENV === 'development',
+    mainFields: ['module', 'main'],
+    external: ['coc.nvim'],
+    platform: 'node',
+    target: 'node10.12',
+    outfile: 'lib/index.js',
+    logLevel: 'error',
+  });
+}
+
+let watch = false;
+if (process.argv.length > 2 && process.argv[2] === '--watch') {
+  console.log('watching...');
+  watch = {
+    onRebuild(error) {
+      if (error) {
+        console.error('watch build failed:', error);
+      } else {
+        console.log('watch build succeeded');
+      }
+    },
+  };
+}
+
+start(watch).catch((e) => {
+  console.error(e);
+});

package.json

@@ -22,9 +22,9 @@
   "scripts": {
     "lint": "eslint src --ext ts",
     "clean": "rimraf lib",
-    "watch": "webpack --watch",
-    "build": "webpack",
-    "prepare": "npm-run-all clean build"
+    "watch": "node esbuild.js --watch",
+    "build": "node esbuild.js",
+    "prepare": "node esbuild.js"
   },
   "prettier": {
     "singleQuote": true,
@@ -140,16 +140,13 @@
     "@typescript-eslint/eslint-plugin": "^4.8.2",
     "@typescript-eslint/parser": "^4.8.2",
     "coc.nvim": "^0.0.80",
+    "esbuild": "^0.9.0",
     "eslint": "^7.14.0",
-    "eslint-config-prettier": "^7.1.0",
+    "eslint-config-prettier": "^8.1.0",
     "eslint-plugin-prettier": "^3.1.4",
-    "npm-run-all": "^4.1.5",
     "prettier": "^2.2.0",
     "rimraf": "^3.0.2",
-    "ts-loader": "^8.0.11",
-    "typescript": "^4.1.2",
-    "webpack": "^5.9.0",
-    "webpack-cli": "^4.2.0"
+    "typescript": "^4.1.2"
   },
   "dependencies": {
     "mz": "^2.7.0",