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atom/src/stdlib/fs.coffee

96 lines
2.6 KiB
CoffeeScript

# commonjs fs module
# http://ringojs.org/api/v0.8/fs/
_ = require 'underscore'
$ = require 'jquery'
module.exports =
# Make the given path absolute by resolving it against the
# current working directory.
absolute: (path) ->
$native.absolute(path)
# Return the basename of the given path. That is the path with
# any leading directory components removed. If specified, also
# remove a trailing extension.
base: (path, ext) ->
base = path.replace(/\/$/, '').split("/").pop()
if ext then base.replace(RegExp(ext + "$"), "") else base
# Returns the path of a file's containing directory, albeit the
# parent directory if the file is a directory. A terminal directory
# separator is ignored.
directory: (path) ->
path.replace(new RegExp("/#{@base(path)}\/?$"), '')
# Returns true if the file specified by path exists
exists: (path) ->
$native.exists path
# Returns the extension of a file. The extension of a file is the
# last dot (excluding any number of initial dots) followed by one or
# more non-dot characters. Returns an empty string if no valid
# extension exists.
extension: (path) ->
match = @base(path).match(/\.[^\.]+$/)
if match
match[0]
else
""
join: (paths...) ->
return paths[0] if paths.length == 1
[first, rest...] = paths
first.replace(/\/?$/, "/") + @join(rest...)
# Returns true if the file specified by path exists and is a
# directory.
isDirectory: (path) ->
$native.isDirectory path
# Returns true if the file specified by path exists and is a
# regular file.
isFile: (path) ->
$native.isFile path
# Returns an array with all the names of files contained
# in the directory path.
list: (path) ->
$native.list(path, false)
listTree: (path) ->
$native.list(path, true)
move: (source, target) ->
$native.move(source, target)
# Remove a file at the given path. Throws an error if path is not a
# file or a symbolic link to a file.
remove: (path) ->
$native.remove path
# Open, read, and close a file, returning the file's contents.
read: (path) ->
$native.read(path)
# Open, write, flush, and close a file, writing the given content.
write: (path, content) ->
$native.write(path, content)
makeDirectory: (path) ->
$native.makeDirectory(path)
async:
list: (path) ->
deferred = $.Deferred()
$native.asyncList path, false, (subpaths) ->
deferred.resolve subpaths
deferred
listTree: (path) ->
deferred = $.Deferred()
$native.asyncList path, true, (subpaths) ->
deferred.resolve subpaths
deferred