writeJson(file, object, [options, callback])

Writes an object to a JSON file.

Alias: writeJSON()

• file <String>
• object <Object>
• options <Object>
  • spaces <Number|String> Number of spaces to indent; or a string to use for indentation (i.e. pass '\t' for tab indentation). See the docs for more info.
  • EOL <String> Set EOL character. Default is \n.
  • replacer JSON replacer
  • Also accepts fs.writeFile options
• callback <Function>

Example:

const fs = require('fs-extra')
fs.writeJson('./package.json', {name: 'fs-extra'}, err => {
  if (err) return console.error(err)
  console.log('success!')
})
// With Promises
fs.writeJson('./package.json', {name: 'fs-extra'})
.then(() => {
  console.log('success!')
})
.catch(err => {
  console.error(err)
})

See also: outputJson()