mirror of
https://github.com/codeninjasllc/codecombat.git
synced 2024-11-29 18:45:48 -05:00
132 lines
4.3 KiB
CoffeeScript
132 lines
4.3 KiB
CoffeeScript
module.exports.clone = (obj) ->
|
|
return obj if obj is null or typeof (obj) isnt 'object'
|
|
temp = obj.constructor()
|
|
for key of obj
|
|
temp[key] = module.exports.clone(obj[key])
|
|
temp
|
|
|
|
module.exports.combineAncestralObject = (obj, propertyName) ->
|
|
combined = {}
|
|
while obj?[propertyName]
|
|
for key, value of obj[propertyName]
|
|
continue if combined[key]
|
|
combined[key] = value
|
|
if obj.__proto__
|
|
obj = obj.__proto__
|
|
else
|
|
# IE has no __proto__. TODO: does this even work? At most it doesn't crash.
|
|
obj = Object.getPrototypeOf(obj)
|
|
combined
|
|
|
|
module.exports.normalizeFunc = (func_thing, object) ->
|
|
# func could be a string to a function in this class
|
|
# or a function in its own right
|
|
object ?= {}
|
|
if _.isString(func_thing)
|
|
func = object[func_thing]
|
|
if not func
|
|
console.error "Could not find method #{func_thing} in object", object
|
|
return => null # always return a func, or Mediator will go boom
|
|
func_thing = func
|
|
return func_thing
|
|
|
|
module.exports.hexToHSL = (hex) ->
|
|
rgbToHsl(hexToR(hex), hexToG(hex), hexToB(hex))
|
|
|
|
hexToR = (h) -> parseInt (cutHex(h)).substring(0, 2), 16
|
|
hexToG = (h) -> parseInt (cutHex(h)).substring(2, 4), 16
|
|
hexToB = (h) -> parseInt (cutHex(h)).substring(4, 6), 16
|
|
cutHex = (h) -> (if (h.charAt(0) is '#') then h.substring(1, 7) else h)
|
|
|
|
module.exports.hslToHex = (hsl) ->
|
|
'#' + (toHex(n) for n in hslToRgb(hsl...)).join('')
|
|
|
|
toHex = (n) ->
|
|
h = Math.floor(n).toString(16)
|
|
h = '0'+h if h.length is 1
|
|
h
|
|
|
|
module.exports.i18n = (say, target, language=me.lang(), fallback='en') ->
|
|
generalResult = null
|
|
fallbackResult = null
|
|
fallforwardResult = null # If a general language isn't available, the first specific one will do
|
|
matches = (/\w+/gi).exec(language)
|
|
generalName = matches[0] if matches
|
|
|
|
for localeName, locale of say.i18n
|
|
continue if localeName is '-'
|
|
if target of locale
|
|
result = locale[target]
|
|
else continue
|
|
return result if localeName is language
|
|
generalResult = result if localeName is generalName
|
|
fallbackResult = result if localeName is fallback
|
|
fallforwardResult = result if localeName.indexOf(language) is 0 and not fallforwardResult?
|
|
|
|
return generalResult if generalResult?
|
|
return fallforwardResult if fallforwardResult?
|
|
return fallbackResult if fallbackResult?
|
|
return say[target] if target of say
|
|
null
|
|
|
|
module.exports.getByPath = (target, path) ->
|
|
throw new Error 'Expected an object to match a query against, instead got null' unless target
|
|
pieces = path.split('.')
|
|
obj = target
|
|
for piece in pieces
|
|
return undefined unless piece of obj
|
|
obj = obj[piece]
|
|
obj
|
|
|
|
module.exports.isID = (id) -> _.isString(id) and id.length is 24 and id.match(/[a-f0-9]/gi)?.length is 24
|
|
|
|
module.exports.round = _.curry (digits, n) ->
|
|
n = +n.toFixed(digits)
|
|
|
|
positify = (func) -> (params) -> (x) -> if x > 0 then func(params)(x) else 0
|
|
|
|
# f(x) = ax + b
|
|
createLinearFunc = (params) ->
|
|
(x) -> (params.a or 1) * x + (params.b or 0)
|
|
|
|
# f(x) = ax² + bx + c
|
|
createQuadraticFunc = (params) ->
|
|
(x) -> (params.a or 1) * x * x + (params.b or 1) * x + (params.c or 0)
|
|
|
|
# f(x) = a log(b (x + c)) + d
|
|
createLogFunc = (params) ->
|
|
(x) -> if x > 0 then (params.a or 1) * Math.log((params.b or 1) * (x + (params.c or 0))) + (params.d or 0) else 0
|
|
|
|
module.exports.functionCreators =
|
|
linear: positify(createLinearFunc)
|
|
quadratic: positify(createQuadraticFunc)
|
|
logarithmic: positify(createLogFunc)
|
|
|
|
# Call done with true to satisfy the 'until' goal and stop repeating func
|
|
module.exports.keepDoingUntil = (func, wait=100, totalWait=5000) ->
|
|
waitSoFar = 0
|
|
(done = (success) ->
|
|
if (waitSoFar += wait) <= totalWait and not success
|
|
_.delay (-> func done), wait) false
|
|
|
|
module.exports.grayscale = (imageData) ->
|
|
d = imageData.data
|
|
for i in [0..d.length] by 4
|
|
r = d[i]
|
|
g = d[i+1]
|
|
b = d[i+2]
|
|
v = 0.2126*r + 0.7152*g + 0.0722*b
|
|
d[i] = d[i+1] = d[i+2] = v
|
|
imageData
|
|
|
|
# Deep compares l with r, with the exception that undefined values are considered equal to missing values
|
|
# Very practical for comparing Mongoose documents where undefined is not allowed, instead fields get deleted
|
|
module.exports.kindaEqual = compare = (l, r) ->
|
|
if _.isObject(l) and _.isObject(r)
|
|
for key in _.union Object.keys(l), Object.keys(r)
|
|
return false unless compare l[key], r[key]
|
|
return true
|
|
else if l is r
|
|
return true
|
|
else
|
|
return false
|