refactor: 💡 update esbuild config to use new esbuild API

esbuild.ts

@@ -1,88 +1,76 @@
 #!/usr/bin/env node
 
-const esbuild = require("esbuild");
+const esbuild = require('esbuild');
 
 // Automatically exclude all node_modules from the bundled version
-const { nodeExternalsPlugin } = require("esbuild-node-externals");
+const { nodeExternalsPlugin } = require('esbuild-node-externals');
 
-if (process.env.NODE_ENV === "production") {
-  esbuild
-    .build({
-      entryPoints: ["./src/main.ts"],
-      outfile: "dist/bundle.js",
-      bundle: true,
-      minify: true,
-      platform: "node",
-      sourcemap: true,
-      target: "node12",
-      plugins: [nodeExternalsPlugin()],
-    })
-    .then(() => {
-      console.log("===========================================");
-      console.log(`${new Date().toLocaleString()}: main module build succeeded.`);
-    })
-    .catch(() => process.exit(1));
-
-  esbuild
-    .build({
-      entryPoints: ["./src/cli.ts"],
-      outfile: "dist/cli-bundle.js",
-      bundle: true,
-      minify: true,
-      platform: "node",
-      sourcemap: true,
-      target: "node12",
-      plugins: [nodeExternalsPlugin()],
-    })
-    .then(() => {
-      console.log("===========================================");
-      console.log(`${new Date().toLocaleString()}: cli module build succeeded.`);
-    })
-    .catch(() => process.exit(1));
-
-  return;
-}
-
-esbuild
-  .build({
-    entryPoints: ["./src/main.ts"],
-    outfile: "dist/bundle.js",
+const build = async () => {
+  const bundleCtx = await esbuild.context({
+    entryPoints: ['./src/main.ts'],
+    outfile: 'dist/bundle.js',
     bundle: true,
-    platform: "node",
+    platform: 'node',
     sourcemap: true,
-    target: "node12",
-    plugins: [nodeExternalsPlugin()],
-    watch: {
-      onRebuild(error, result) {
-        if (error) console.error("watch build failed:", error);
-        else console.log("watch build succeeded:", result);
+    target: 'node12',
+    minify: true,
+    plugins: [
+      nodeExternalsPlugin(),
+      {
+        name: 'watch',
+        setup(build) {
+          build.onEnd((result) => {
+            console.log('===========================================');
+            // error if errors array have errors
+            if (result.errors.length > 0) {
+              console.log(`${new Date().toLocaleString()}: main module build failed.`);
+              process.exit(1);
+            } else {
+              console.log(`${new Date().toLocaleString()}: main module build succeeded.`);
+            }
+          });
+        },
       },
-    },
-  })
-  .then(() => {
-    console.log("===========================================");
-    console.log(`${new Date().toLocaleString()}: watching main build...`);
-  })
-  .catch(() => process.exit(1));
+    ],
+  });
 
-esbuild
-  .build({
-    entryPoints: ["./src/cli.ts"],
-    outfile: "dist/cli-bundle.js",
+  const cliCtx = await esbuild.context({
+    entryPoints: ['./src/cli.ts'],
+    outfile: 'dist/cli-bundle.js',
     bundle: true,
-    platform: "node",
+    platform: 'node',
     sourcemap: true,
-    target: "node12",
-    plugins: [nodeExternalsPlugin()],
-    watch: {
-      onRebuild(error, result) {
-        if (error) console.error("watch build failed:", error);
-        else console.log("watch build succeeded:", result);
+    target: 'node12',
+    minify: true,
+    plugins: [
+      nodeExternalsPlugin(),
+      {
+        name: 'watch',
+        setup(build) {
+          build.onEnd((result) => {
+            console.log('===========================================');
+            // error if errors array have errors
+            if (result.errors.length > 0) {
+              console.log(`${new Date().toLocaleString()}: cli module build failed.`);
+              process.exit(1);
+            } else {
+              console.log(`${new Date().toLocaleString()}: cli module build succeeded.`);
+            }
+          });
+        },
       },
-    },
-  })
-  .then(() => {
-    console.log("===========================================");
-    console.log(`${new Date().toLocaleString()}: watching cli build...`);
-  })
-  .catch(() => process.exit(1));
+    ],
+  });
+
+  if (process.env.NODE_ENV === 'production') {
+    await bundleCtx.rebuild();
+    bundleCtx.dispose();
+    await cliCtx.rebuild();
+    cliCtx.dispose();
+  } else {
+    await bundleCtx.watch();
+    await cliCtx.watch();
+  }
+};
+
+build();