file-exists

2018-10-11 admin

file-exists是什么

什么是file-exists,Check if filepath exists and is a file

file-exists使用教程帮助文档

file-exists

Check if filepath exists and is a file. Returns false for directories.

(Requires node >=6.0.0)

Install

npm install file-exists --save

Usage

const fileExists = require('file-exists');

fileExists('/index.html', (err, exists) => console.log(exists)) // OUTPUTS: true or false

fileExists('/index.html').then(exists => {
  console.log(exists) // OUTPUTS: true or false
})

const exists = await fileExists('/index.html')

console.log(fileExists.sync('/index.html')) // OUTPUTS: true or false

Options

fileExists(filepath[, options, callback])

  • filepath - the path to the file to check if it exists
  • options - an object of options
    • root - the root directory to look in (or cwd)
  • callback(err, exists) - gets called when checking is done

fileExists.sync(filepath[, options])

  • filepath - the path to the file to check if it exists
  • options - an object of options
    • root - the root directory to look in (or cwd)

Run Tests

npm install
npm test

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