Dev Commands

Dev Commands

TesseraUI registers a set of client-side commands under /tessera for development and testing purposes.

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/tessera reload

Clears the template cache. The next time any TesseraUI screen is opened, its HTML and CSS files are re-read from disk.

/tessera reload

Use this after editing a template file to see changes without restarting Minecraft.

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Test screens

Each test screen demonstrates a specific set of TesseraUI features. Open them in-game to explore what's possible.

Command	Screen	Features
/tessera test	Basic test screen	Labels, buttons, basic layout
/tessera test-medium	Medium complexity	Forms, inputs, flex layout
/tessera test-low	Low-level primitives	Panels, borders, padding
/tessera test-html	HTML rendering	Full HTML template pipeline
/tessera test-table	Tables	<table>, <thead>, <tbody>, sorting
/tessera test-radius	Border radius	Rounded corners
/tessera test-v12	Grid & variables	Grid layout, CSS variables
/tessera test-v13	Media queries	@media queries
/tessera test-v14	Components	Component system (<template>, <slot>)
/tessera test-v15	Directives	v-for, v-if, v-show
/tessera test-v16	Tabs & lists	Tabs, virtual list
/tessera test-v17	Item slots	Item slots, inventory picker
/tessera test-v18	Drag and drop	Draggable widgets, drop zones
/tessera test-v19	Positioning	Absolute positioning
/tessera test-v20	Rich text	Inline elements, mixed styles
/tessera test-v21	i18n	data-i18n, {{ t:key }}
/tessera test-v22	Form inputs	Dropdown, checkbox, slider
/tessera test-v23	CSS Animations	transition, @keyframes

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Source

The commands are registered in TesseraDevCommand.java using NeoForge's RegisterClientCommandsEvent. They are only available on the logical client side (Dist.CLIENT).