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# This class scans your stylesheets for pseudo classes, then inserts a new CSS
# rule with the same properties, but named 'psuedo-class-{{name}}'.
#
# Supported pseudo classes: hover, disabled, active, visited, focus, target.
#
# Example:
#
# a:hover{ color:blue; }
# => a.pseudo-class-hover{ color:blue; }
class KssStateGenerator
pseudo_selectors = [
'hover',
'enabled',
'disabled',
'active',
'visited',
'focus',
'target',
'checked',
'empty',
'first-of-type',
'last-of-type',
'first-child',
'last-child']
constructor: ->
pseudos = new RegExp "(\\:#{pseudo_selectors.join('|\\:')})", "g"
try
for stylesheet in document.styleSheets
if stylesheet.href and stylesheet.href.indexOf(document.domain) >= 0
idxs = []
for rule, idx in stylesheet.cssRules
if (rule.type == CSSRule.STYLE_RULE) and pseudos.test(rule.selectorText)
replaceRule = (matched, stuff) ->
return matched.replace(/\:/g, '.pseudo-class-')
@insertRule(rule.cssText.replace(pseudos, replaceRule))
pseudos.lastIndex = 0
# Takes a given style and attaches it to the current page.
#
# rule - A CSS rule String (ex: ".test{ display:none; }").
#
# Returns nothing.
insertRule: (rule) ->
headEl = document.getElementsByTagName('head')[0]
styleEl = document.createElement('style')
styleEl.type = 'text/css'
if styleEl.styleSheet
styleEl.styleSheet.cssText = rule
else
styleEl.appendChild(document.createTextNode(rule))
headEl.appendChild(styleEl)
new KssStateGenerator
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