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common-path-prefix

1.0.0 • Public • Published

common-path-prefix

Computes the longest prefix string that is common to each path, excluding the base component. Tested with Node 0.10 and above.

Installation

npm install --save common-path-prefix

Usage

The module has one default export, the commonPathPrefix function:

var commonPathPrefix = require('common-path-prefix')

Call commonPathPrefix() with an array of paths (strings) and an optional separator character:

var paths = ['templates/main.handlebars', 'templates/_partial.handlebars']
 
commonPathPrefix(paths, '/') // returns 'templates/'

If the separator is not provided the first / or \ found in the first path string is used. This means the module works correctly no matter the platform:

commonPathPrefix(['templates/main.handlebars', 'templates/_partial.handlebars']) // returns 'templates/'
commonPathPrefix(['templates\\main.handlebars', 'templates\\_partial.handlebars']) // returns 'templates\\'

You can provide any separator, for example:

commonPathPrefix(['foo$bar', 'foo$baz'], '$') // returns 'foo$''

An empty string is returned if no common prefix exists:

commonPathPrefix(['foo/bar', 'baz/qux']) // returns ''

Note that the following does have a common prefix:

commonPathPrefix(['/foo/bar', '/baz/qux']) // returns '/'

Keywords

none

install

npm i common-path-prefix

Downloadsweekly downloads

141,145

version

1.0.0

license

ISC

homepage

github.com

repository

Gitgithub

last publish

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