const { execSync } = require('node:child_process');
const fs = require('node:fs');
const path = require('node:path');

if (process.env.SKIP_WASM_BUILD === '1') {
  console.log('Skipping wasm-pack build (SKIP_WASM_BUILD=1)');
  return;
}

execSync('wasm-pack build --target bundler', { stdio: 'inherit' });

// Rewrite the generated entry to use Vite's ?init import style instead of
// the ES Module Integration style that wasm-pack generates, which Vite/rolldown
// does not support in production builds.
const entry = path.join(__dirname, 'pkg', 'yaak_templates.js');
fs.writeFileSync(
  entry,
  [
    'import init from "./yaak_templates_bg.wasm?init";',
    'export * from "./yaak_templates_bg.js";',
    'import * as bg from "./yaak_templates_bg.js";',
    'const instance = await init({ "./yaak_templates_bg.js": bg });',
    'bg.__wbg_set_wasm(instance.exports);',
    'instance.exports.__wbindgen_start();',
    '',
  ].join('\n'),
);