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- # util.promisify
- Polyfill for util.promisify in node versions < v8
-
- node v8.0.0 added support for a built-in `util.promisify`: https://github.com/nodejs/node/pull/12442/
-
- This package provides the built-in `util.promisify` in node v8.0.0 and later, and a replacement in other environments.
-
- ## Usage
-
- **Direct**
- ```js
- const promisify = require('util.promisify');
- // Use `promisify` just like the built-in method on `util`
- ```
-
- **Shim**
- ```js
- require('util.promisify/shim')();
- // `util.promisify` is now defined
- const util = require('util');
- // Use `util.promisify`
- ```
-
- Note: this package requires a native ES5 environment, and for `Promise` to be globally available. It will throw upon requiring it if these are not present.
-
- ## Promisifying modules
-
- If you want to promisify a whole module, like the `fs` module, you can use [`util.promisify-all`](https://www.npmjs.com/package/util.promisify-all).
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