Concatenate all VS Code code into a single file (#34)

Signed-off-by: Juan Cruz Viotti <jv@jviotti.com>

Author: jviotti

vscode/esbuild.js

@@ -0,0 +1,51 @@
+const esbuild = require('esbuild');
+const path = require('path');
+
+const production = process.argv.includes('--production');
+const watch = process.argv.includes('--watch');
+
+async function main() {
+  const context = await esbuild.context({
+    entryPoints: ['src/extension.ts'],
+    bundle: true,
+    format: 'cjs',
+    minify: production,
+    sourcemap: production ? false : 'inline',
+    sourcesContent: false,
+    platform: 'node',
+    outfile: path.join(__dirname, '../build/vscode/extension.js'),
+    external: ['vscode'],
+    logLevel: 'silent',
+    plugins: [
+      {
+        name: 'esbuild-problem-matcher',
+        setup(build) {
+          build.onStart(() => {
+            console.log('[watch] build started');
+          });
+          build.onEnd((result) => {
+            result.errors.forEach(({ text, location }) => {
+              console.error(`✘ [ERROR] ${text}`);
+              if (location) {
+                console.error(`    ${location.file}:${location.line}:${location.column}:`);
+              }
+            });
+            console.log('[watch] build finished');
+          });
+        }
+      }
+    ]
+  });
+
+  if (watch) {
+    await context.watch();
+  } else {
+    await context.rebuild();
+    await context.dispose();
+  }
+}
+
+main().catch((error) => {
+  console.error(error);
+  process.exit(1);
+});