62 lines
1.3 KiB
Markdown
62 lines
1.3 KiB
Markdown
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# load-json-file [](https://travis-ci.org/sindresorhus/load-json-file)
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> Read and parse a JSON file
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[Strips UTF-8 BOM](https://github.com/sindresorhus/strip-bom), uses [`graceful-fs`](https://github.com/isaacs/node-graceful-fs), and throws more [helpful JSON errors](https://github.com/sindresorhus/parse-json).
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## Install
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```
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$ npm install load-json-file
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```
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## Usage
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```js
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const loadJsonFile = require('load-json-file');
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loadJsonFile('foo.json').then(json => {
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console.log(json);
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//=> {foo: true}
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});
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```
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## API
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### loadJsonFile(filePath, [options])
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Returns a promise for the parsed JSON.
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### loadJsonFile.sync(filepath, [options])
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Returns the parsed JSON.
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#### options
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Type: `Object`
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##### beforeParse
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Type: `Function`
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Applies a function to the JSON string before parsing.
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##### reviver
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Type: `Function`
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Prescribes how the value originally produced by parsing is transformed, before being returned. See the [`JSON.parse` docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#Using_the_reviver_parameter) for more.
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## Related
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- [write-json-file](https://github.com/sindresorhus/write-json-file) - Stringify and write JSON to a file atomically
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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