Function buildForTarget

scripts/binding-wasm.ts:14–41

(env = {})

  emptyDir(tmpBuildDir);

  async function buildForTarget(env = {}) {
    const cmd = `wasm-pack`;
    const args = [`build`, '--target', 'web', `--out-dir`, tmpBuildDir, srcWasmDir];
    if (!config.dev) {
      args.push(`--release`);
    }

    await new Promise((resolve, reject) => {
      const child = spawn(cmd, args, {
        stdio: 'inherit',
        shell: true,
        env: {
          ...process.env,
          ...env,
        },
      });
      child.on('error', reject);

      child.on('close', (code) => {
        if (code === 0) {
          resolve(child.stdout);
        } else {
          reject(`wasm-pack exited with code ${code}`);
        }
      });
    });
    return join(tmpBuildDir, 'qwik_wasm.js');
  }

  const wasmJsBuildPath = await buildForTarget({
    CARGO_PROFILE_RELEASE_LTO: true,