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76332c76bd
* Move src/app to src/ * Move src/stdlib to src/ * Remove src/app and src/stdlib from NODE_PATH
121 lines
3.0 KiB
CoffeeScript
121 lines
3.0 KiB
CoffeeScript
_ = require 'underscore'
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fs = require 'fs'
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path = require 'path'
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fsUtils = require 'fs-utils'
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pathWatcher = require 'pathwatcher'
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File = require 'file'
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EventEmitter = require 'event-emitter'
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# Public: Represents a directory in the project.
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#
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# Directories contain an array of {File}s.
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module.exports =
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class Directory
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path: null
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realPath: null
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### Public ###
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# Creates a new directory.
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#
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# path - A {String} representing the file directory
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# symlink - A {Boolean} indicating if the path is a symlink (default: false)
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constructor: (@path, @symlink=false) ->
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# Retrieves the basename of the directory.
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#
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# Returns a {String}.
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getBaseName: ->
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path.basename(@path)
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# Retrieves the directory's path.
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#
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# Returns a {String}.
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getPath: -> @path
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# Retrieves this directory's real path.
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#
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# Returns a {String}.
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getRealPath: ->
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unless @realPath?
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try
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@realPath = fs.realpathSync(@path)
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catch e
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@realPath = @path
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@realPath
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# Is the given path inside this directory?
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#
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# pathToCheck - the {String} path to check.
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#
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# Returns a {Boolean}.
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contains: (pathToCheck) ->
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return false unless pathToCheck
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if pathToCheck.indexOf(path.join(@getPath(), path.sep)) is 0
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true
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else if pathToCheck.indexOf(path.join(@getRealPath(), path.sep)) is 0
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true
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else
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false
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# Make a full path relative to this directory's path.
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#
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# fullPath - The {String} path to convert.
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#
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# Returns a {String}.
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relativize: (fullPath) ->
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return fullPath unless fullPath
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if fullPath is @getPath()
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''
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else if fullPath.indexOf(path.join(@getPath(), path.sep)) is 0
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fullPath.substring(@getPath().length + 1)
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else if fullPath is @getRealPath()
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''
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else if fullPath.indexOf(path.join(@getRealPath(), path.sep)) is 0
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fullPath.substring(@getRealPath().length + 1)
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else
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fullPath
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# Retrieves the file entries in the directory.
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#
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# This does follow symlinks.
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#
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# Returns an {Array} of {Files}.
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getEntries: ->
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directories = []
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files = []
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for entryPath in fsUtils.listSync(@path)
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try
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stat = fs.lstatSync(entryPath)
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symlink = stat.isSymbolicLink()
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stat = fs.statSync(entryPath) if symlink
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catch e
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continue
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if stat.isDirectory()
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directories.push(new Directory(entryPath, symlink))
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else if stat.isFile()
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files.push(new File(entryPath, symlink))
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directories.concat(files)
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### Internal ###
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afterSubscribe: ->
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@subscribeToNativeChangeEvents() if @subscriptionCount() == 1
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afterUnsubscribe: ->
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@unsubscribeFromNativeChangeEvents() if @subscriptionCount() == 0
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subscribeToNativeChangeEvents: ->
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@watchSubscription = pathWatcher.watch @path, (eventType) =>
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@trigger "contents-changed" if eventType is "change"
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unsubscribeFromNativeChangeEvents: ->
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if @watchSubscription?
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@watchSubscription.close()
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@watchSubscription = null
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_.extend Directory.prototype, EventEmitter
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