AST topic
Classes representing Sass's abstract syntax tree.
Certain AST classes, most notably Stylesheet
, have parse()
constructors
that parse ASTs from string sources.
Classes
- Argument AST
- An argument declared as part of an ArgumentDeclaration.
- ArgumentDeclaration AST Parsing
- An argument declaration, as for a function or mixin definition.
- ArgumentInvocation AST
- A set of arguments passed in to a function or mixin.
- AstNode AST
- A node in an abstract syntax tree.
- AtRootRule AST
-
An
@at-root
rule. - AtRule AST
- An unknown at-rule.
- AttributeSelector AST
- An attribute selector.
- BinaryOperationExpression AST
-
A binary operator, as in
1 + 2
or$this and $other
. - BooleanExpression AST
-
A boolean literal,
true
orfalse
. - CallableDeclaration AST
- An abstract class for callables (functions or mixins) that are declared in user code.
- CallableInvocation AST
- An abstract class for invoking a callable (a function or mixin).
- ClassSelector AST
- A class selector.
- ColorExpression AST
- A color literal.
- ComplexSelector AST Parsing
- A complex selector.
- ComplexSelectorComponent AST
- A component of a ComplexSelector.
- CompoundSelector AST Parsing
- A compound selector.
- ConfiguredVariable AST
-
A variable configured by a
with
clause in a@use
or@forward
rule. - ContentBlock AST
- An anonymous block of code that's invoked for a ContentRule.
- ContentRule AST
-
A
@content
rule. - DebugRule AST
-
A
@debug
rule. - Declaration AST
-
A declaration (that is, a
name: value
pair). - DynamicImport AST
- An import that will load a Sass file at runtime.
- EachRule AST
-
An
@each
rule. - ElseClause AST
-
An
@else
clause in an@if
rule. - ErrorRule AST
-
An
@error
rule. - Expression AST Parsing
- A SassScript expression in a Sass syntax tree.
- ExtendRule AST
-
An
@extend
rule. - ForRule AST
-
A
@for
rule. - ForwardRule AST
-
A
@forward
rule. - FunctionExpression AST
- A function invocation.
- FunctionRule AST
- A function declaration.
- IDSelector AST
- An ID selector.
- IfClause AST
-
An
@if
or@else if
clause in an@if
rule. - IfExpression AST
- A ternary expression.
- IfRule AST
-
An
@if
rule. - IfRuleClause AST
-
The superclass of
@if
and@else
clauses. - Import AST
- An abstract superclass for different types of import.
- ImportRule AST
-
An
@import
rule. - IncludeRule AST
- A mixin invocation.
- InterpolatedFunctionExpression AST
- An interpolated function invocation.
- Interpolation AST
- Plain text interpolated with Sass expressions.
- ListExpression AST
- A list literal.
- LoudComment AST
- A loud CSS-style comment.
- MapExpression AST
- A map literal.
- MediaRule AST
-
A
@media
rule. - MixinRule AST
- A mixin declaration.
- NullExpression AST
- A null literal.
- NumberExpression AST
- A number literal.
- ParenthesizedExpression AST
- An expression wrapped in parentheses.
- ParentSelector AST
- A selector that matches the parent in the Sass stylesheet.
-
ParentStatement<
T extends List< ASTStatement> ?> - A Statement that can have child statements.
- PlaceholderSelector AST
- A placeholder selector.
- PseudoSelector AST
- A pseudo-class or pseudo-element selector.
- QualifiedName AST
- A qualified name.
- ReturnRule AST
-
A
@return
rule. - SassDeclaration AST
- A common interface for any node that declares a Sass member.
- SassDependency AST
- A common interface for UseRules, ForwardRules, and DynamicImports.
- SassNode AST
- A node in the abstract syntax tree for an unevaluated Sass or SCSS file.
- SassReference AST
- A common interface for any node that references a Sass member.
- Selector AST
- A node in the abstract syntax tree for a selector.
- SelectorExpression AST
-
A parent selector reference,
&
. - SelectorList AST Parsing
- A selector list.
- SilentComment AST
- A silent Sass-style comment.
- SimpleSelector AST Parsing
- An abstract superclass for simple selectors.
- Statement AST
- A statement in a Sass syntax tree.
- StaticImport AST
-
An import that produces a plain CSS
@import
rule. - StringExpression AST
- A string literal.
- StyleRule AST
- A style rule.
- Stylesheet AST Parsing
- A Sass stylesheet.
- SupportsAnything AST
-
A supports condition that represents the forwards-compatible
<general-enclosed>
production. - SupportsCondition AST
-
An abstract class for defining the condition a
@supports
rule selects. - SupportsDeclaration AST
- A condition that selects for browsers where a given declaration is supported.
- SupportsExpression AST
-
An expression-level
@supports
condition. - SupportsFunction AST
- A function-syntax condition.
- SupportsInterpolation AST
- An interpolated condition.
- SupportsNegation AST
- A negated condition.
- SupportsOperation AST
- An operation defining the relationship between two conditions.
- SupportsRule AST
-
A
@supports
rule. - TypeSelector AST
- A type selector.
- UnaryOperationExpression AST
-
A unary operator, as in
+$var
ornot fn()
. - UniversalSelector AST
- Matches any element in the given namespace.
- UseRule AST
-
A
@use
rule. - ValueExpression AST
- An expression that directly embeds a Value.
- VariableDeclaration AST
- A variable declaration.
- VariableExpression AST
- A Sass variable.
- WarnRule AST
-
A
@warn
rule. - WhileRule AST
-
A
@while
rule.
Enums
- BinaryOperator AST
- A binary operator constant.
- Combinator AST
- A combinator that defines the relationship between selectors in a ComplexSelector.
- UnaryOperator AST
- A unary operator constant.