fast-element

Classes

Class	Description
AttributeDefinition	An implementation of Accessor that supports reactivity, change callbacks, attribute reflection, and type conversion for custom elements.
ElementStyles	Represents styles that can be applied to a custom element.
FASTElementDefinition	Defines metadata for a FASTElement.
HTMLView	The standard View implementation, which also implements ElementView and SyntheticView.
Schema	A constructed JSON schema from a template
TemplateParser	Converts declarative HTML template markup into the `strings` and `values` arrays that `ViewTemplate.create()` consumes. This class is intentionally stateless across invocations — all mutable parsing state lives on the call stack or in the `TemplateResolutionContext`. The parsing pipeline is fully synchronous — no promises are allocated during template resolution.
ViewTemplate	A template capable of creating HTMLView instances or rendering directly to DOM.

Functions

Function	Description
declarativeTemplate()	Returns a declarative template resolver that waits for the matching `<f-template>` element and resolves it into a concrete `ViewTemplate`.

Interfaces

Interface	Description
AccessCachedPath	A path discovered from an access expression.
Accessor	Represents a getter/setter property accessor on an object.
CachedPathCommon	Common metadata for paths cached while parsing a template.
CaptureType	A marker interface used to capture types when interpolating Directive helpers into templates.
ChildrenMap	Describes a child custom element binding referenced by a schema path.
DefaultCachedPath	A path discovered from a default binding.
DOMPolicy	A policy that controls whether values can be written to DOM sinks.
ElementView	A View representing DOM nodes specifically for rendering the view of a custom element.
ElementViewTemplate	A template capable of creating views specifically for rendering custom elements.
EventCachedPath	A path discovered from an event binding.
HTMLTemplateCompilationResult	The result of a template compilation operation.
JSONSchema	A JSON schema describing a root property.
JSONSchemaCommon	Common properties shared by schema nodes.
JSONSchemaDefinition	A reusable JSON schema definition.
PartialFASTElementDefinition	Represents metadata configuration for a custom element.
RegisterPathConfig	Configuration for registering a path with a schema.
RepeatCachedPath	A path discovered from a repeat directive.
ResolvedStringsAndValues	The return type for TemplateParser.parse().
ShadowRootOptions	Shadow root initialization options.
StyleStrategy	Implemented to provide specific behavior when adding/removing styles for elements.
StyleTarget	A node that can be targeted by styles.
SyntheticViewTemplate	A template capable of rendering views not specifically connected to custom elements.
ValueConverter	Represents objects that can convert values to and from view or model representations.
ViewBehavior	Represents an object that can contribute behavior to a view.
ViewBehaviorFactory	A factory that can create a ViewBehavior associated with a particular location within a DOM fragment.

Variables

Variable	Description
AttributeConfiguration	Metadata used to configure a custom attribute's behavior.
DOMAspect	The type of HTML aspect to target.
DOMPolicy	A helper for creating DOM policies.
schemaRegistry	Module-level registry that maps custom element names to their schema maps. Used for cross-element `$ref` resolution (e.g. nested element schemas). Each Schema instance registers itself here on construction.

Type Aliases

Type Alias	Description
AttributeConfiguration	Metadata used to configure a custom attribute's behavior.
AttributeMode	The mode that specifies the runtime behavior of the attribute.
CachedPath	A path discovered while parsing a template.
CachedPathMap	A map from element names and root properties to JSON schemas.
ComposableStyles	Represents styles that can be composed into the ShadowDOM of a custom element.
Constructable	Represents a type which can be constructed with the new operator.
ConstructibleStyleStrategy	A type that instantiates a StyleStrategy.
DOMAspect	The type of HTML aspect to target.
DOMAspectGuards	Aspect-specific guards for a DOM Policy.
DOMElementGuards	Element-specific guards for a DOM Policy.
DOMGuards	Guard configuration for a DOM Policy.
DOMPolicyOptions	Options for creating a DOM Policy.
DOMSink	A function used to send values to a DOM sink.
DOMSinkGuards	A specific DOM sink guard for a node aspect.
FASTElementExtension	A callback that receives a FASTElementDefinition during element registration. Extensions are invoked before the element is registered with the platform, allowing plugins to inspect or act on the resolved definition.
FASTElementTemplateResolver	Resolves an element template from a composed definition.
TemplateValue	Represents the types of values that can be interpolated into a template.
TrustedTypesPolicy	A policy for use with the standard trustedTypes platform API.