lsp/esbuild.js

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

const esbuild = require('esbuild');

const production = process.argv.includes('--production');
const watch = process.argv.includes('--watch');

async function main() {
  entryPoints = production ? ['src/extension.ts'] : ['src/test/**/*.test.ts', 'src/extension.ts'];
  const ctx = await esbuild.context({
    entryPoints: entryPoints,
    bundle: true,
    format: 'cjs',
    minify: production,
    sourcemap: !production,
    sourcesContent: false,
    platform: 'node',
    outdir: 'dist',
    external: ['vscode'],
    logLevel: 'warning',
    plugins: [
      /* add to the end of plugins array */
      esbuildProblemMatcherPlugin
    ]
  });
  if (watch) {
    await ctx.watch();
  } else {
    await ctx.rebuild();
    await ctx.dispose();
  }
}

/**
 * @type {import('esbuild').Plugin}
 */
const esbuildProblemMatcherPlugin = {
  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 == null) return;
        console.error(`    ${location.file}:${location.line}:${location.column}:`);
      });
      console.log('[watch] build finished');
    });
  }
};

main().catch(e => {
  console.error(e);
  process.exit(1);
});