CSSTransformers.CSSTransformerBase()

CSS AST transformer. To apply this transformer call CSSTransformerBase.transform(el). Base class for CSS AST transformer. Advanced usage notes: You can subclass it to implement your own transformer. Just remember to call this.transformSubElements(el.children) if you deal with multi-level items (roots, rules, at rules).

new CSSTransformerBase()
CSSTransformers/CSSTransformerBase.js, line 17

Internal state initializer. To apply transformer use CSSTransformerBase.transform(el) instead.

Methods

static transform(el)
CSSTransformers/CSSTransformerBase.js, line 22

Transform AST using this transformer.

Parameters:
Name Type Description
el ASTNode | Array.<ASTNode>

Element.

atRule(el, i, parentChildren, cbnullable)
CSSTransformers/CSSTransformerBase.js, line 85

At rule transformer.

Parameters:
Name Type Attributes Description
el AtRule

Element.
i number

Element index.
parentChildren Array.<ASTNode>

Element's parent children list.
cb function <nullable>

Callback.

comment(el, i, parentChildren, cbnullable)
CSSTransformers/CSSTransformerBase.js, line 118

Comment transformer.

Parameters:
Name Type Attributes Description
el Comment

Element.
i number

Element index.
parentChildren Array.<ASTNode>

Element's parent children list.
cb function <nullable>

Callback.

declaration(el, i, parentChildren, cbnullable)
CSSTransformers/CSSTransformerBase.js, line 107

Declaration transformer.

Parameters:
Name Type Attributes Description
el Declaration

Element.
i number

Element index.
parentChildren Array.<ASTNode>

Element's parent children list.
cb function <nullable>

Callback.

getTransformer(el) → {function}
CSSTransformers/CSSTransformerBase.js, line 56

Get node transformer.

Parameters:
Name Type Description
el ASTNode

Element.
Returns:
function -

Node transformer.

root(el, inullable, parentChildrennullable, cbnullable)
CSSTransformers/CSSTransformerBase.js, line 67

Root node transformer.

Parameters:
Name Type Attributes Description
el Array.<Rule>

Root element.
i number <nullable>

Root element index if any.
parentChildren Array.<ASTNode> <nullable>

Children of root element parent if there is any parent.
cb function <nullable>

Callback.

rule(el, i, parentChildren, cbnullable)
CSSTransformers/CSSTransformerBase.js, line 96

Rule transformer.

Parameters:
Name Type Attributes Description
el Rule

Element.
i number

Element index.
parentChildren Array.<ASTNode>

Element's parent children list.
cb function <nullable>

Callback.

transformSubElements(elements, listnullable, whitelistnullable)
CSSTransformers/CSSTransformerBase.js, line 38

Transform all (or with exclusions) provided sub elements.

Parameters:
Name Type Attributes Description
elements Array.<ASTNode>

Array of elements.
list Array.<string> <nullable>

Blacklist or whitelist of types.
whitelist boolean <nullable>

Whether list is whitelist or blacklist.