ui · function ·

BuildYuiRetainedReplayDisplayList

Materialize only the immutable registry closure referenced by local replay commands. Idle/semantic/composite-only plans produce an empty replay without rescanning or revalidating unrelated payloads. Concrete adapters still require a persistent target before executing the subset against native pixels.

cpufunctionsource-exampleuiyeho

Build YUI's reusable control, layout, interaction, text, accessibility, and retained-rendering models.

external BuildYuiRetainedReplayDisplayList(yuiDisplayList original baseline, yuiRetainedFramePlan original plan) returns yuiDisplayList

Status: source-declared

Parameters

yuiDisplayList original baseline
Supply baseline as yuiDisplayList original.
yuiRetainedFramePlan original plan
Supply plan as yuiRetainedFramePlan original.

Use BuildYuiRetainedReplayDisplayList

A complete small caller. Values are illustrative; check the returned result and package requirements before connecting live resources.

cpu · source-example · type checked

using ui

// Build YUI's reusable control, layout, interaction, text, accessibility, and retained-rendering models.
yuiDisplayList baseline = yuiDisplayList("surface Id")
yuiRetainedFramePlan plan = yuiRetainedFramePlan("surface Id", "reason")
yuiDisplayList result = BuildYuiRetainedReplayDisplayList(baseline, plan)
Console.Log("Inspect result in your debugger")
project.mech
manifestVersion = "2"
package = "api.example.ui__buildyuiretainedreplaydisplaylist"
version = "0.1.0"
languageEdition = "yeho-core-2026.1"

[app]
kind = "headless"

[[dependencies]]
package = "graphics.image"
version = "0.1.0"
path = "../../../yeho/packages/graphics/image"

[[dependencies]]
package = "graphics.text"
version = "0.1.0"
path = "../../../yeho/packages/graphics/text"

[[dependencies]]
package = "host.ui_services"
version = "0.1.0"
path = "../../../yeho/packages/host/ui_services"

[[dependencies]]
package = "ui"
version = "0.2.0"
path = "../../../yeho/packages/ui"
Notes and source

Package presence and a declaration do not establish support on every host. Host services need their platform and lifecycle setup.

yeho/packages/ui/render-50-retained-fragments.yh:1333