micmarsh

COMPILED_COFFEE = ' < -'
PLAIN_JS = '<-'

thenify = (lines) ->
    [line, rest...] = lines
    if rest.length is 0
        line
    else if line.search(PLAIN_JS) > 0 or line.search(COMPILED_COFFEE) > 0
        [value, promise] = line.split if line.search(PLAIN_JS) > 0 then PLAIN_JS else COMPILED_COFFEE
        noSemiColon = promise.slice(0, -1)

micmarsh

# While coffee script offers a "class" keyword, methods still aren't that closely
# associated with class instances. Include fixScoping(this) at the beginning 
# of all of your constructors to make that class' methods well behaved by javascript standards

fixScoping = (instance) ->
    for property, value of instance
        do (property, value) -> #b/c javascript
            if typeof value is "function"
                instance[property] = (args...) -> value.apply(instance, args)

micmarsh

# use lodash/underscore, this could probably actually be a mixin for those
compose = (fns) ->
    _.reduceRight fns, (composed, currentFn) ->
        _.compose (valueOrPromise) ->
            vop = valueOrPromise
            if Boolean vop and vop.then
                vop.then (value) ->
                    currentFn value
            else
                currentFn vop

micmarsh

; Clojure actually has a queue type, but it's not easily accesible. Here's a function to help with that
(defn queue 
    ([] clojure.lang.PersistentQueue/EMPTY) 
    ([& elements] 
        (into (queue) elements)))