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Versions: 4
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Stored size: 1.57 KB
Contents
u = up.util
class up.ExtractPlan
constructor: (selector, options) ->
@origin = options.origin
@selector = up.dom.resolveSelector(selector, options.origin)
@transition = options.transition
@response = options.response
@oldLayer = options.layer
@steps = @parseSteps()
findOld: =>
u.each @steps, (step) =>
step.$old = up.dom.first(step.selector, layer: @oldLayer)
findNew: =>
u.each @steps, (step) =>
# The response has no layers. It's always just the page.
step.$new = @response.first(step.selector)
oldExists: =>
@findOld()
u.all @steps, (step) -> step.$old
newExists: =>
@findNew()
u.all @steps, (step) -> step.$new
matchExists: =>
@oldExists() && @newExists()
###*
Example:
parseSelector('foo, bar:before', transition: 'cross-fade')
[
{ selector: 'foo', pseudoClass: undefined, transition: 'cross-fade' },
{ selector: 'bar', pseudoClass: 'before', transition: 'cross-fade' }
]
###
parseSteps: =>
comma = /\ *,\ */
disjunction = @selector.split(comma)
u.map disjunction, (literal, i) =>
literalParts = literal.match(/^(.+?)(?:\:(before|after))?$/)
literalParts or up.fail('Could not parse selector literal "%s"', literal)
selector = literalParts[1]
if selector == 'html'
# If someone really asked us to replace the <html> root, the best
# we can do is replace the <body>.
selector = 'body'
pseudoClass = literalParts[2]
selector: selector
pseudoClass: pseudoClass
transition: @transition
Version data entries
4 entries across 4 versions & 1 rubygems