Schemas

Get the builder key.

Overlay these schemas onto the lower layer.

Determine whether no schemas are defined.

Get the dot-notated key this builder occupies in the Head::toArray() result.

Grouped tag builders are represented as an empty array when absent from the Head::toArray() result.

Get the supported route attribute names.

Build schemas from a route attribute.

Determine if the builder should render even when no data was set.

Mark the builder's data as belonging to the defaults layer.

Validate and resolve all schemas for the head array.

Render each schema as JSON-LD.

Return the value when it is a string.

Resolve a string or string-backed enum value.

Return the value when it is a boolean.

Return the value when it is an integer.

Normalize a route attribute value into a list of items.

Filter an array down to its string-keyed values.

Create the schema collection.

Add a schema, deduplicating objects by identity and arrays by content.

Get the ordered schema definitions.

Copy mutable schema objects for independent coroutine state.