filenamify
Advanced tools
Package description
The filenamify npm package is used to convert a string into a valid and safe filename by removing or replacing invalid characters that are not allowed in filenames on certain file systems. It can be used to sanitize user input for filenames, ensuring that the resulting string can be safely used as a filename on most platforms.
Sanitize a string to be safe as a filename
This feature allows you to take any string and convert it into a string that is safe to use as a filename by replacing or removing invalid characters.
const filenamify = require('filenamify');
console.log(filenamify('foo/bar')); // 'foo!bar'Customize replacement character
This feature allows you to specify a custom replacement character for invalid filename characters, giving you control over how the sanitized filename looks.
const filenamify = require('filenamify');
console.log(filenamify('foo:bar', {replacement: '-'})); // 'foo-bar'Limit filename length
This feature allows you to limit the length of the resulting filename, which can be useful for file systems with length restrictions on filenames.
const filenamify = require('filenamify');
console.log(filenamify('a very long filename that will be truncated', {maxLength: 10})); // 'a very lon'The sanitize-filename package is similar to filenamify in that it sanitizes input to be safe for use as a filename. It removes or replaces invalid characters and is a straightforward alternative to filenamify.
While slugify is primarily used for creating URL slugs from strings, it can also be used to generate safe filenames. It converts strings into a URL-friendly format, which is also generally safe for filenames, though its primary use case is not for sanitizing filenames like filenamify.
Readme
Convert a string to a valid safe filename
On Unix-like systems, / is reserved. On Windows, <>:"/\|?* along with trailing periods are reserved.
$ npm install filenamify
const filenamify = require('filenamify');
filenamify('<foo/bar>');
//=> 'foo!bar'
filenamify('foo:"bar"', {replacement: '🐴'});
//=> 'foo🐴bar'
Convert a string to a valid filename.
Convert the filename in a path a valid filename and return the augmented path.
Type: object
Type: string
Default: '!'
String to use as replacement for reserved filename characters.
Cannot contain: < > : " / \ | ? *
Type: number
Default: 100
Truncate the filename to the given length.
Systems generally allow up to 255 characters, but we default to 100 for usability reasons.
You can also import filenamify/browser, which only imports filenamify and not filenamify.path, which relies on path being available or polyfilled. Importing filenamify this way is therefore useful when it is shipped using webpack or similar tools, and if filenamify.path is not needed.
const filenamify = require('filenamify/browser');
filenamify('<foo/bar>');
//=> 'foo!bar'
FAQs
Convert a string to a valid safe filename
We found that filenamify demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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