forked from lix-project/lix-website
62 lines
1.3 KiB
Markdown
62 lines
1.3 KiB
Markdown
|
# load-json-file [![Build Status](https://travis-ci.org/sindresorhus/load-json-file.svg?branch=master)](https://travis-ci.org/sindresorhus/load-json-file)
|
||
|
|
||
|
> Read and parse a JSON file
|
||
|
|
||
|
[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).
|
||
|
|
||
|
|
||
|
## Install
|
||
|
|
||
|
```
|
||
|
$ npm install load-json-file
|
||
|
```
|
||
|
|
||
|
|
||
|
## Usage
|
||
|
|
||
|
```js
|
||
|
const loadJsonFile = require('load-json-file');
|
||
|
|
||
|
loadJsonFile('foo.json').then(json => {
|
||
|
console.log(json);
|
||
|
//=> {foo: true}
|
||
|
});
|
||
|
```
|
||
|
|
||
|
|
||
|
## API
|
||
|
|
||
|
### loadJsonFile(filePath, [options])
|
||
|
|
||
|
Returns a promise for the parsed JSON.
|
||
|
|
||
|
### loadJsonFile.sync(filepath, [options])
|
||
|
|
||
|
Returns the parsed JSON.
|
||
|
|
||
|
#### options
|
||
|
|
||
|
Type: `Object`
|
||
|
|
||
|
##### beforeParse
|
||
|
|
||
|
Type: `Function`
|
||
|
|
||
|
Applies a function to the JSON string before parsing.
|
||
|
|
||
|
##### reviver
|
||
|
|
||
|
Type: `Function`
|
||
|
|
||
|
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.
|
||
|
|
||
|
|
||
|
## Related
|
||
|
|
||
|
- [write-json-file](https://github.com/sindresorhus/write-json-file) - Stringify and write JSON to a file atomically
|
||
|
|
||
|
|
||
|
## License
|
||
|
|
||
|
MIT © [Sindre Sorhus](https://sindresorhus.com)
|