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55 lines
1.1 KiB
Markdown
55 lines
1.1 KiB
Markdown
# import-fresh
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> Import a module while bypassing the [cache](https://nodejs.org/api/modules.html#modules_caching)
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Useful for testing purposes when you need to freshly import a module.
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## ESM
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For ESM, you can use this snippet:
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```js
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const importFresh = moduleName => import(`${moduleName}?${Date.now()}`);
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const {default: foo} = await importFresh('foo');
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```
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**This snippet causes a memory leak, so only use it for short-lived tests.**
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## Install
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```sh
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npm install import-fresh
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```
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## Usage
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```js
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// foo.js
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let i = 0;
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module.exports = () => ++i;
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```
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```js
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const importFresh = require('import-fresh');
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require('./foo')();
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//=> 1
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require('./foo')();
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//=> 2
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importFresh('./foo')();
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//=> 1
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importFresh('./foo')();
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//=> 1
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```
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## Related
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- [clear-module](https://github.com/sindresorhus/clear-module) - Clear a module from the import cache
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- [import-from](https://github.com/sindresorhus/import-from) - Import a module from a given path
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- [import-cwd](https://github.com/sindresorhus/import-cwd) - Import a module from the current working directory
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- [import-lazy](https://github.com/sindresorhus/import-lazy) - Import modules lazily
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