copyfiles vs cpx vs fs-extra vs ncp
File Copying Utilities in Node.js
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File Copying Utilities in Node.js

File copying utilities in Node.js are essential tools that simplify the process of copying files and directories within a project. They provide various functionalities to handle file operations efficiently, ensuring that developers can automate tasks related to file management without delving into the complexities of the Node.js file system module. These packages vary in features, performance, and ease of use, catering to different needs in the development workflow.

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copyfiles0422-575 years agoMIT
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fs-extra09,62257.7 kB12a month agoMIT
ncp0682-8011 years agoMIT

Feature Comparison: copyfiles vs cpx vs fs-extra vs ncp

Ease of Use

  • copyfiles:

    copyfiles offers a simple command-line interface that allows users to specify source and destination paths easily, along with glob patterns for file selection. This makes it user-friendly for quick copying tasks without extensive configuration.

  • cpx:

    cpx provides an intuitive command-line interface with options for watching files and directories. Its straightforward syntax allows developers to set up file copying with minimal effort, making it accessible for both beginners and experienced users.

  • fs-extra:

    fs-extra enhances the native fs module, providing a familiar API while adding convenience methods for file operations. Its seamless integration with existing Node.js code makes it easy to adopt without a steep learning curve.

  • ncp:

    ncp is designed for simplicity, focusing solely on copying directories. Its minimalistic approach makes it easy to use for straightforward tasks, requiring little setup or configuration.

Functionality

  • copyfiles:

    copyfiles supports glob patterns, allowing for flexible file selection based on naming conventions. It can copy multiple files and directories in a single command, making it versatile for various use cases.

  • cpx:

    cpx not only copies files but also watches for changes in the source files, automatically copying them to the destination. This feature is particularly useful in development environments where files are frequently updated.

  • fs-extra:

    fs-extra provides a wide range of file system methods, including copy, move, remove, and ensureFile. This comprehensive functionality makes it suitable for complex file management tasks beyond simple copying.

  • ncp:

    ncp focuses on recursively copying directories, ensuring that all files and subdirectories are included in the operation. It is efficient for tasks that require duplication of entire directory structures.

Performance

  • copyfiles:

    copyfiles is optimized for speed in copying files, especially when dealing with multiple files. However, it may not be as efficient for large directory structures due to its reliance on the underlying file system operations.

  • cpx:

    cpx is designed for performance in development workflows, efficiently copying files and minimizing overhead when watching for changes. Its ability to handle incremental updates makes it suitable for rapid development cycles.

  • fs-extra:

    fs-extra is built on top of the native fs module, ensuring good performance for file operations. Its additional methods are optimized for common tasks, making it a reliable choice for performance-sensitive applications.

  • ncp:

    ncp is lightweight and optimized for directory copying, providing good performance for recursive operations. However, it may not offer the same level of optimization as more comprehensive libraries for complex file management tasks.

Use Cases

  • copyfiles:

    copyfiles is ideal for quick tasks such as copying build artifacts or assets in a project. Its simplicity makes it suitable for use in npm scripts for automation during build processes.

  • cpx:

    cpx is perfect for development environments where files need to be synchronized frequently. It is particularly useful for projects that require live reloading or automatic updates during development.

  • fs-extra:

    fs-extra is best suited for applications that require extensive file manipulation, such as build tools, deployment scripts, or any project that needs robust file management capabilities.

  • ncp:

    ncp is well-suited for straightforward tasks like copying static assets or templates. Its focus on directory copying makes it a good choice for projects that need to duplicate folder structures.

Community and Support

  • copyfiles:

    copyfiles has a smaller community compared to some other file utilities, but it is actively maintained and provides basic documentation for users to get started quickly.

  • cpx:

    cpx has a growing community and is well-documented, making it easier for users to find support and examples for common use cases, especially in development environments.

  • fs-extra:

    fs-extra has a large and active community, with extensive documentation and examples available. This support makes it a reliable choice for developers looking for help or resources.

  • ncp:

    ncp has a smaller user base but is straightforward enough that users can typically find solutions to common issues through its documentation or community forums.

How to Choose: copyfiles vs cpx vs fs-extra vs ncp

  • copyfiles:

    Choose copyfiles if you need a simple and straightforward command-line tool for copying files and directories with glob patterns. It is particularly useful for quick tasks and integrates well with npm scripts.

  • cpx:

    Opt for cpx if you require a more robust solution that supports watching files for changes and automatically copying them. It is ideal for development environments where files need to be synchronized frequently.

  • fs-extra:

    Select fs-extra if you need a comprehensive file system utility that extends the native fs module with additional methods for copying, removing, and manipulating files and directories. It is perfect for projects that require extensive file operations and additional features like JSON file handling.

  • ncp:

    Use ncp if you need a simple and efficient way to copy directories recursively. It is lightweight and focuses solely on copying, making it a good choice for straightforward directory copying tasks.

README for copyfiles

copyfiles Build Status

copy files easily

Install

npm install copyfiles -g

Command Line

  Usage: copyfiles [options] inFile [more files ...] outDirectory

  Options:
    -u, --up       slice a path off the bottom of the paths               [number]
    -a, --all      include files & directories begining with a dot (.)   [boolean]
    -f, --flat     flatten the output                                    [boolean]
    -e, --exclude  pattern or glob to exclude (may be passed multiple times)
    -E, --error    throw error if nothing is copied                      [boolean]
    -V, --verbose  print more information to console                     [boolean]
    -s, --soft     do not overwrite destination files if they exist      [boolean]
    -F, --follow   follow symbolink links                                [boolean]
    -v, --version  Show version number                                   [boolean]
    -h, --help     Show help                                             [boolean]

copy some files, give it a bunch of arguments, (which can include globs), the last one is the out directory (which it will create if necessary). Note: on windows globs must be double quoted, everybody else can quote however they please.

copyfiles foo foobar foo/bar/*.js out

you now have a directory called out, with the files foo and foobar in it, it also has a directory named foo with a directory named bar in it that has all the files from foo/bar that match the glob.

If all the files are in a folder that you don't want in the path out path, ex:

copyfiles something/*.js out

which would put all the js files in out/something, you can use the --up (or -u) option

copyfiles -u 1 something/*.js out

which would put all the js files in out

you can also just do -f which will flatten all the output into one directory, so with files ./foo/a.txt and ./foo/bar/b.txt

copyfiles -f ./foo/*.txt ./foo/bar/*.txt out

will put a.txt and b.txt into out

if your terminal doesn't support globstars then you can quote them

copyfiles -f ./foo/**/*.txt out

does not work by default on a mac

but

copyfiles -f "./foo/**/*.txt" out

does.

You could quote globstars as a part of input:

copyfiles some.json "./some_folder/*.json" ./dist/ && echo 'JSON files copied.'

You can use the -e option to exclude some files from the pattern, so to exclude all all files ending in .test.js you could do

copyfiles -e "**/*.test.js" -f ./foo/**/*.js out

Other options include

  • -a or --all which includes files that start with a dot.
  • -s or --soft to soft copy, which will not overwrite existing files.
  • -F or --follow which follows symbolinks

copyup

also creates a copyup command which is identical to copyfiles but -up defaults to 1

Programic API

var copyfiles = require('copyfiles');

copyfiles([paths], opt, callback);

takes an array of paths, last one is the destination path, also takes an optional argument which the -u option if a number, otherwise if it's true it's the flat option or if it is an object it is a hash of the various options (the long version e.g. up, all, flat, exclude, error, verbose, follow, and soft)

Tilde support for home directory

when the src/dest path start with tilde for home directory under windows, please make sure -u or -f is added in options or use copyup command. if not you will get Error: Illegal characters in path.