@babel/plugin-syntax-top-level-await

2023-06-08 16:07 更新
NOTE: This plugin is included in @babel/preset-env, in ES2022.Syntax only?This plugin only enables parsing of this feature. Babel doesn't support transforming top-level await, but you can use Rollup's experimentalTopLevelAwait or webpack@5's experiments.topLevelAwait options.

提示

You can safely remove this plugin from your Babel config if using @babel/core 7.15.0 or above.

JavaScript

const val = await promise;

export { val };

Installation?

  • npm
  • Yarn
  • pnpm
pnpm add --save-dev @babel/plugin-syntax-top-level-await

Usage?

With a configuration file (Recommended)?

babel.config.json

{
"plugins": ["@babel/plugin-syntax-top-level-await"]
}

Via CLI?

Shell

babel --plugins @babel/plugin-syntax-top-level-await script.js

Via Node API?

JavaScript

require("@babel/core").transformSync(code, {
plugins: ["@babel/plugin-syntax-top-level-await"],
});


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