138 lines
3.0 KiB
Stylus
138 lines
3.0 KiB
Stylus
_bem_context = {
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_alias_map: {}
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_alias_stacks: {
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}
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}
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work_stack(stack, callback)
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while length(stack) > 0
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entry = pop(stack)
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if entry != ()
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callback(entry)
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set_alias(alias, name)
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if name != null && alias != null
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_bem_context._alias_map[alias] = name
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lookup_alias(name)
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if name in _bem_context._alias_map
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return _bem_context._alias_map[name]
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else
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return name
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store_alias(alias)
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level_name = called-from[1]
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if not level_name in _bem_context._alias_stacks
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_bem_context._alias_stacks[level_name] = () ()
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if alias != null
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push(_bem_context._alias_stacks[level_name], alias)
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pop_last_alias()
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level_name = called-from[1]
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if not level_name in _bem_context._alias_stacks
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return null
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return pop(_bem_context._alias_stacks[level_name])
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apply_alias_stack(name)
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level_name = called-from[1]
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if level_name in _bem_context._alias_stacks
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work_stack(_bem_context._alias_stacks[level_name], @(element){
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set_alias(element, name)
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})
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auto_name(delimiter)
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if length(called-from) < 3
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return null
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name = split(delimiter, called-from[2])[-1]
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if name in ('RV-Element' 'RV-Block' 'RV-Element--modifier' 'RV-Block--modifier')
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return null
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return name
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is_nested(mixin_name=null)
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_free_hits = 0
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if mixin_name == null
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shift(called-from)
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mixin_name = shift(called-from)
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else
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_free_hits = 1
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for parent in called-from
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if parent == mixin_name
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if _free_hits == 0
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return true
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else
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_free_hits = _free_hits - 1
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return false
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is_nested_in(parent_name)
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return parent_name in called-from
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not_nested_in(parent_name)
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return !(parent_name in called-from)
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is_any_parent_nested()
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//RV-Level RV-Element--modifier RV-Element RV-Block--modifier RV-BreakPoint--horizontal RV-Block--modifier RV-Fan--horizontal RV-Block
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for i in (length(called-from)...0)
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i = i - 1
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if i != index(called-from, called-from[i])
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return true
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return false
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RV-Level(name, name_delimiter, allowed_parent_levels, selector_callback, squash_if_parent_nested=false)
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if name == null
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name = auto_name(name_delimiter)
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not_in_parent = true
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for parent_level in allowed_parent_levels
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not_in_parent = not_in_parent && not_nested_in(parent_level)
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if not_in_parent || is_nested_in('RV-Squash')
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{block}
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else if is_nested()
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store_alias(name)
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{block}
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else
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if name == null
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name = pop_last_alias()
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name = lookup_alias(name)
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apply_alias_stack(name)
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if squash_if_parent_nested && is_any_parent_nested()
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{block}
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else
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{selector_callback(name)}
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{block}
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RV-Block(name)
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.{name}
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{block}
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_bem_context._alias_map = {}
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_bem_context._alias_stacks = {}
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RV-Element(name=null)
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+RV-Level(name, '__', ('RV-Block' 'RV-Block--modifier'), @(name){
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if is_nested_in('RV-Block--modifier') {
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return '& ^[-1]__' + name
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}
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else {
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return '& &__' + name
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}
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})
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{block}
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RV-Element--modifier(name=null)
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+RV-Level(name, '--', ('RV-Element'), @(name){return '&--' + name}, true)
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{block}
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RV-Block--modifier(name=null)
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+RV-Level(name, '--', ('RV-Block'), @(name){return '&--' + name}, true)
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{block}
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RV-Squash()
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{block} |