A tiny library for experimenting with CPS-based functional streams.
The underlying currency of kink is the "channel" or "procedure", which does something with its arguments and returns void:
function (/* ... */) {
// ...
}Most of the work in kink is handled by the "conduit" or "procedure transformer":
function (output) {
return function input (/* ... */) {
output.apply (this, arguments)
}
}These conduits are composed from the inside out, starting with kink.end (a procedure that does nothing):
kink.map.each (func) (kink.log (kink.end))This can be simplified using left-to-right function composition via kink.join:
kink.join (kink.map.each (func), kink.log) (kink.end)The function kink itself combines composition and kink.end:
kink (kink.map.each (func), kink.log)In any case, what results from the above composition is a procedure that can be used as a callback:
jQuery (document).on ('keypress', kink (kink.get ('key'), kink.log))Here are a few more examples, using the following prelude (open kink.html to try it out...):
key = jQuery.fn.on.bind (jQuery (document), 'keypress')
kinky = function (/* ... */) {
return key (kink.apply (null, arguments))
}Logging keypress events:
kinky(
kink.log
)Logging the key property:
kinky(
kink.get('key'),
kink.log
)Logging numerical keys:
kinky(
kink.get ('key'),
kink.scan.each (/\b[0-9]+\b/),
kink.log
)Logging numerical values:
kinky(
kink.get ('key'),
kink.scan.each (/\b[0-9]+\b/),
kink.parseIntegers,
kink.log
)Logging numerical values * 100:
kinky(
kink.get ('key'),
kink.scan.each (/\b[0-9]+\b/),
kink.parseIntegers,
kink.map.each (function (n) { return n * 100 }),
kink.log
)Logging the 5-value moving average of numerical values * 100:
kinky(
kink.get ('key'),
kink.scan.each (/\b[0-9]+\b/),
kink.parseIntegers,
kink.map.each (function (n) { return n * 100 }),
kink.avg (5),
kink.log
)Logging the key property in gestures separated by > 200ms:
kinky(
kink.get ('key'),
kink.win (200),
kink.bundle,
kink.log
)
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