mirror of
https://github.com/codeninjasllc/codecombat.git
synced 2024-11-24 08:08:15 -05:00
133 lines
4.4 KiB
CoffeeScript
133 lines
4.4 KiB
CoffeeScript
CocoClass = require 'core/CocoClass'
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locale = require 'locale/locale'
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LOG = false
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module.exports = ModuleLoader = class ModuleLoader extends CocoClass
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@WADS = [
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'lib'
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'views/play'
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'views/editor'
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]
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constructor: ->
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super()
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@loaded = {}
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@queue = new createjs.LoadQueue()
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@queue.on('fileload', @onFileLoad, @)
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wrapped = _.wrap window.require, (func, name, loaderPath) ->
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# vendor libraries aren't actually wrapped with common.js, so short circuit those requires
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return {} if _.string.startsWith(name, 'vendor/')
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return {} if name is 'tests'
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return {} if name is 'demo-app'
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name = 'core/auth' if name is 'lib/auth' # proxy for iPad until it's been updated to use the new, refactored location. TODO: remove this
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return func(name, loaderPath)
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_.extend wrapped, window.require # for functions like 'list'
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window.require = wrapped
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@updateProgress = _.throttle _.bind(@updateProgress, @), 700
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@lastShownProgress = 0
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load: (path, first=true) ->
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$('#module-load-progress').css('opacity', 1)
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if first
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@recentPaths = []
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@recentLoadedBytes = 0
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originalPath = path
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wad = _.find ModuleLoader.WADS, (wad) -> _.string.startsWith(path, wad)
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path = wad if wad
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return false if @loaded[path]
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@loaded[path] = true
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@recentPaths.push(path)
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console.debug 'Loading js file:', "/javascripts/app/#{path}.js" if LOG
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@queue.loadFile({
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id: path
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src: "/javascripts/app/#{path}.js"
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type: createjs.LoadQueue.JAVASCRIPT
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})
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return true
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loadLanguage: (langCode='en-US') ->
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loading = @load("locale/#{langCode}")
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firstBit = langCode[...2]
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return loading if firstBit is langCode
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return loading unless locale[firstBit]?
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return @load("locale/#{firstBit}", false) or loading
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onFileLoad: (e) =>
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# load dependencies if it's not a vendor library
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if not _.string.startsWith(e.item.id, 'vendor')
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have = window.require.list()
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console.group('Dependencies', e.item.id) if LOG
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@recentLoadedBytes += e.rawResult.length
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dependencies = @parseDependencies(e.rawResult)
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console.groupEnd() if LOG
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missing = _.difference dependencies, have
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@load(module, false) for module in missing
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# update locale data
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if _.string.startsWith(e.item.id, 'locale')
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locale.update()
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# just a bit of cleanup to get the script objects out of the body element
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$(e.result).remove()
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# get treema set up only when the library loads, if it loads
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if e.item.id is 'vendor/treema'
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treemaExt = require 'core/treema-ext'
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treemaExt.setup()
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# a module and its dependencies have loaded!
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if @queue.progress is 1
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@recentPaths.sort()
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# console.debug @recentPaths.join('\n')
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# console.debug 'loaded', @recentPaths.length, 'files,', parseInt(@recentLoadedBytes/1024), 'KB'
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@trigger 'load-complete'
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@trigger 'loaded', e.item
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@updateProgress()
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updateProgress: ->
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return if @queue.progress < @lastShownProgress
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$('#module-load-progress .progress-bar').css('width', (100*@queue.progress)+'%')
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if @queue.progress is 1
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$('#module-load-progress').css('opacity', 0)
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parseDependencies: (raw) ->
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bits = raw.match(/(require\(['"](.+?)['"])|(register\(['"].+?['"])/g) or []
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rootFolder = null
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dependencies = []
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for bit in bits
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if _.string.startsWith(bit, 'register')
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root = bit.slice(10, bit.length-1) # remove 'register("' and final double quote
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console.groupEnd() if rootFolder if LOG
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rootFolder = (root.match('.+/')[0] or '')[...-1]
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console.group('register', rootFolder, "(#{bit})") if LOG
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else
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dep = bit.slice(9, bit.length-1) # remove "require('" and final single quote
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dep = dep[1...] if dep[0] is '/'
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dep = @expand(rootFolder, dep)
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continue if dep is 'memwatch'
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continue if _.string.startsWith(dep, 'ace/')
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dependencies.push(dep)
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console.debug dep if LOG
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console.groupEnd() if LOG
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return dependencies
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# basically ripped out of commonjs definition
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expand: (root, name) ->
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results = []
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if /^\.\.?(\/|$)/.test(name)
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parts = [root, name].join('/').split('/')
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else
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parts = name.split('/')
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for part in parts
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if part is '..'
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results.pop()
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else if (part isnt '.' and part isnt '')
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results.push(part)
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return results.join('/')
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