javascript - use underscore to exclude file and directories -


i have node.js / express application uses i18next localization of site.

currently pulling list hard coded version: https://github.com/tzm/tzm-blade/blob/master/app/config/apps.coffee#l105 make list reading locales directory , making list that.

i exclude dev, readme.md , config.json being returned , have other directories can return correct country local example using node-cldr library extract language display name per https://github.com/papandreou/node-cldr#cldrextractlanguagedisplaynameslocaleidroot:

☺  node  ruby-2.0.0-p195 master 2253522"" > var cldr = require('cldr'); undefined > cldr.extractlanguagedisplaynames('ru').ru; 'русский' >

etc...

so far looking @ reject http://underscorejs.org/#reject collection don't see how remove these files , directories

  fs.readdir "./locales", (err,locales) ->     results = []     __.reject locales, (value, index, list) ->       console.log value, index, list       results.push value     console.log results

any advice appreciated on how best using reject function in underscore.

i'm not familiar coffeescript, here's you'd want (might require fixing up, don't know coffeescript):

exclude = [ 'dev', 'readme.md', 'config.json' ] results = __.reject locales, (value, index, list) ->   return exclude.indexof(value) == -1

_.reject returns new list of items iterator returns true for. in case, if item not in exclude list (indexof === -1), function returns true, , item part of list returns.


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