Mixin name based bem generator

This commit is contained in:
reverend 2021-03-19 12:00:07 +01:00
parent 3b03410b3c
commit 00f69e67c7

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@ -1,8 +1,11 @@
_bem_context = {
_alias_map: {}
_alias_stacks: {
}
},
known_names: {}
}
//bem_debug = false !default
work_stack(stack, callback)
while length(stack) > 0
@ -36,8 +39,9 @@ pop_last_alias()
return null
return pop(_bem_context._alias_stacks[level_name])
apply_alias_stack(name)
level_name = called-from[1]
apply_alias_stack(name, level_name=null)
if level_name == null
level_name = called-from[1]
if level_name in _bem_context._alias_stacks
work_stack(_bem_context._alias_stacks[level_name], @(element){
set_alias(element, name)
@ -45,16 +49,10 @@ apply_alias_stack(name)
auto_name(delimiter)
if length(called-from) < 3
return null
block_name = called-from[2]
auto_name(delimiter, caller)
if delimiter == null
return block_name
name = split(delimiter, block_name)[-1]
if name in ('RV-Element' 'RV-Block' 'RV-Block--shorthand' 'RV-Element--modifier' 'RV-Block--modifier' 'RV-Generate')
return null
return name
return caller
return split(delimiter, caller)[-1]
is_nested(mixin_name=null)
_free_hits = 0
@ -71,8 +69,13 @@ is_nested(mixin_name=null)
_free_hits = _free_hits - 1
return false
is_nested_in(parent_name)
return parent_name in called-from
is_nested_in(parent_list=null)
if parent_list == null
return false
for parent in parent_list
if parent in called-from
return true
return false
not_nested_in(parent_name)
return !(parent_name in called-from)
@ -85,94 +88,130 @@ is_any_parent_nested()
return true
return false
RV-Level(name_delimiter, allowed_parent_levels=null, selector_callback, squash_if_parent_nested=false)
name = auto_name(name_delimiter)
not_in_parent = true
for parent_level in allowed_parent_levels
not_in_parent = not_in_parent && not_nested_in(parent_level)
if not_in_parent //|| is_nested_in('RV-Squash')
{block}
else if is_nested()
store_alias(name)
{block}
else
string_contains(smaller, greater)
if smaller == null || greater == null
return true
if length(smaller) > length(greater)
return false
for i in range(0, length(smaller) - 1)
//p(i substr(smaller, i, 1) substr(greater, i, 1))
if substr(smaller, i, 1) != substr(greater, i, 1)
return false
return true
contigious_index(call_stack)
for i in range(0, length(call_stack) - 1)
if !string_contains(call_stack[i+1], call_stack[i])
return i
return -1
filter(list, value_list)
filtered = ()
for element in list
if not (element in value_list)
push(filtered, element)
return filtered
RV-Level(name_delimiter, selector_callback, name=null, super_parents=null)
call_stack = split(' ', ''+called-from)
call_stack = filter(call_stack, ('RV-Level' 'RV-Block' 'RV-Block--modifier' 'RV-Element' 'RV-Element--modifier' 'RV-Modifier'))
mixin_name = call_stack[0]
if name == null
name = auto_name(name_delimiter, mixin_name)
cindex = contigious_index(call_stack)
nested_in_super_parents = is_nested_in(super_parents)
if bem_debug
--attempt mixin_name
--cindex cindex
--nested_in_super_parents nested_in_super_parents
// TODO Clear up this logic
if cindex == -1 || nested_in_super_parents
if name == null
name = pop_last_alias()
name = lookup_alias(name)
apply_alias_stack(name)
selector_name = selector_callback(name)
if name == ''
selector_name = split(name_delimiter, selector_name)[0]
if squash_if_parent_nested && is_any_parent_nested()
{block}
if cindex != -1 && nested_in_super_parents && !(name in _bem_context.known_names)
return
else
selector_name = selector_callback(name)
if name == ''
selector_name = split(name_delimiter, selector_name)[0]
_bem_context.known_names[name] = name
define('current_selector', selector_name, true)
{selector_name}
{block}
// RV-Fan--horizontal RV-Fan--horizontal __ Base -- wurst
// RV-BreakPoint__Item--outside RV-Fan--horizontal__Base RV-Fan--horizontal
RV-Block(name)
.{name}
if bem_debug
--mixin_name mixin_name
--name name
else if cindex <= 0
store_alias(name)
{block}
_bem_context._alias_map = {}
_bem_context._alias_stacks = {}
if bem_debug
--mixin_name mixin_name
--name name
RV-Generate()
{block}
_bem_context._alias_map = {}
_bem_context._alias_stacks = {}
RV-Block()
+RV-Level(null, ('RV-Generate'), @(name){
define('current_block', name, true)
RV-Block(name=null)
+RV-Level(null, @(name){
return '.'+name
})
}, name)
{block}
_bem_context._alias_map = {}
_bem_context._alias_stacks = {}
_bem_context.known_names = {}
RV-Block--shorthand(name)
+RV-Block(name)
{block}
RV-Element()
+RV-Level('__', ('RV-Generate' 'RV-Block--modifier'), @(name){
return '& .' + current_block +'__' + name
})
RV-Element(name=null)
+RV-Level('__', @(name){
return '& ^[0]__'+name
}, name)
{block}
RV-Element--modifier()
+RV-Level('--', ('RV-Element'), @(name){return '&--' + name}, true)
RV-Element--modifier(name=null)
+RV-Level('--', @(name){
return '&--'+name
}, name, ('RV-Block--modifier'))
{block}
RV-Block--modifier()
+RV-Level('--', ('RV-Generate' 'RV-Block--shorthand'), @(name){
'.' + current_block +'--' + name
}, true)
if is_nested_in('RV-Block--shorthand') && length(called-from) > 0
mixin_name = split('--', called-from[0])[0]
convert(unquote(mixin_name)+'()')
RV-Block--modifier(name=null)
+RV-Level('--', @(name){
return '&--'+name
}, name)
{block}
RV-Squash()
{block}
filter(list, value)
filtered = ()
for element in list
if element != value
push(filtered, element)
return filtered
_level_types = {
'': 'block'
'__': 'element'
'--': 'modifier'
'': {
name: 'block',
selector: @(mixin_name, level_name){return '.'+level_name}
},
'__': {
name: 'element',
selector: @(mixin_name, level_name){return '&__'+level_name}
},
'--': {
name: 'modifier',
selector: @(mixin_name, level_name){return '&--'+level_name}
},
}
get_first_level_name(mixin_name)
@ -185,32 +224,9 @@ get_first_level_name(mixin_name)
return shortest_split
string_contains(smaller, greater)
if smaller == null || greater == null
return false
if length(smaller) > length(greater)
return false
p('%s'%smaller length('%s'%smaller))
for i in range(0, length(smaller))
if smaller[i] != greater[i]
return false
return true
is_contigious(call_stack)
for i in range(0, length(call_stack) - 1)
p(call_stack[i+1] call_stack[i])
p(string_contains(call_stack[i+1], call_stack[i]))
if !call_stack[i+1] in call_stack[i]
return false
return true
determine_level_type(mixin_name)
generate_selector(mixin_name)
candidate = null
candidate_level = null
candidate_delimiter = null
// This is why humanity is doomed
mixin_name = split('äöü', mixin_name)[0]
@ -222,20 +238,20 @@ determine_level_type(mixin_name)
if candidate == null || length(candidate) > length(splited_level)
candidate = splited_level
candidate_level = level
candidate_delimiter = delimiter
return unquote(candidate) candidate_level unquote(candidate_delimiter)
fn = candidate_level.selector
return fn(mixin_name, candidate)
generate_selector(mixin_name)
block_name = get_first_level_name(mixin_name)
level_info = determine_level_type(mixin_name)
return '&%s%s' % (level_info[2] level_info[0])
//generate_selector(mixin_name)
// block_name = get_first_level_name(mixin_name)
// level_info = determine_level_type(mixin_name)
// return '&%s%s' % (level_info[2] level_info[0])
RV-BEM()
call_stack = filter(called-from, 'RV-BEM')
p(cs call_stack)
call_stack = split(' ', ''+called-from)
if is_contigious(call_stack)
{generate_selector(called-from[0])}
{generate_selector(call_stack[0])}
{block}
p('###')
else
{block}