Enum PropertyDefinition

pub enum PropertyDefinition {
    IdentifierReference(Box<str>),
    Property(PropertyName, Node),
    MethodDefinition(MethodDefinitionKind, PropertyName, FunctionExpr),
    SpreadObject(Node),
}

A JavaScript property is a characteristic of an object, often describing attributes associated with a data structure.

A property has a name (a string) and a value (primitive, method, or object reference). Note that when we say that “a property holds an object”, that is shorthand for “a property holds an object reference”. This distinction matters because the original referenced object remains unchanged when you change the property’s value.

More information:

• ECMAScript reference
• MDN documentation

Variants

IdentifierReference(Box<str>)

Puts a variable into an object.

More information:

• ECMAScript reference
• MDN documentation

Property(PropertyName, Node)

Binds a property name to a JavaScript value.

More information:

• ECMAScript reference
• MDN documentation

MethodDefinition(MethodDefinitionKind, PropertyName, FunctionExpr)

A property of an object can also refer to a function or a getter or setter method.

More information:

• ECMAScript reference
• MDN documentation

SpreadObject(Node)

The Rest/Spread Properties for ECMAScript proposal (stage 4) adds spread properties to object literals. It copies own enumerable properties from a provided object onto a new object.

Shallow-cloning (excluding prototype) or merging objects is now possible using a shorter syntax than Object.assign().

More information:

• ECMAScript reference
• MDN documentation

Implementations

impl PropertyDefinition

pub fn identifier_reference<I>(ident: I) -> Self

where I: Into<Box<str>>,

Creates an IdentifierReference property definition.

pub fn property<N, V>(name: N, value: V) -> Self

where N: Into<PropertyName>, V: Into<Node>,

Creates a Property definition.

pub fn method_definition<N>( kind: MethodDefinitionKind, name: N, body: FunctionExpr, ) -> Self

where N: Into<PropertyName>,

Creates a MethodDefinition.

pub fn spread_object<O>(obj: O) -> Self

where O: Into<Node>,

Creates a SpreadObject.

Trait Implementations

impl Clone for PropertyDefinition

fn clone(&self) -> PropertyDefinition

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PropertyDefinition

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Drop for PropertyDefinition

fn drop(&mut self)

Executes the destructor for this type.

impl Finalize for PropertyDefinition

fn finalize(&self)

impl PartialEq for PropertyDefinition

fn eq(&self, other: &PropertyDefinition) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Trace for PropertyDefinition

unsafe fn trace(&self)

Marks all contained Gcs.

unsafe fn root(&self)

Increments the root-count of all contained Gcs.

unsafe fn unroot(&self)

Decrements the root-count of all contained Gcs.

fn finalize_glue(&self)

Runs Finalize::finalize() on this object and all contained subobjects

impl StructuralPartialEq for PropertyDefinition