Utilize the underscore symbol when iterating through an Express application

Here is a snippet of my CoffeeScript code:

  dirs = ["/assets", "/public", "/locales", "/data/topo"]
  app.configure ->
      app.use assets(build : true)
      jsPaths assets, console.log
      @use(express.favicon(process.cwd() + "/assets/images/favicon.ico", {maxAge:maxAges}))
      .use(express.compress())
      .use(express.static(process.cwd() + "/assets", {maxAge:maxAges}))
      .use(express.static(process.cwd() + "/public", {maxAge:maxAges}))
      .use(express.static(process.cwd() + "/locales", {maxAge:maxAges}))
      .use(express.static(process.cwd() + "/data/topo", {maxAge:maxAges}))
      .use(express.logger('dev'))
      .use(express.errorHandler(
            dumpException: true
            showStack: true
      ))
  #  Add template engine

I want to set the maxAge for all directories listed in 

dirs = ["/assets", "/public", "/locales", "/data/topo"]
. Can anyone provide guidance on the correct way to achieve this?

Any advice would be greatly appreciated.

javascriptexpresscoffeescript

Answer №1

Executing a method for each item in an array?

Apply maxAge setting to folders: 
setMaxAge(folder) ->
  app.use express.static( process.cwd() + folder, maxAge:maxAges )

Alternatively, in a single line:

app.use express.static(process.cwd() + folder, maxAge:maxAges) for folder in ["/assets", "/public", "/locales", "/data/topo"]

Refer to the coffeescript documentation for loops

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