MARKLESS_ATTACH_HOST_ELEMENT_REQUIRED

attach can only be bound to host elements: a Markless compiler error.

Error from the compiler, while it builds your .tsrx files.

What happened

Markless prints the message, the reason, and a suggestion:

MARKLESS_ATTACH_HOST_ELEMENT_REQUIRED: Cannot bind attach={<source>} on component <owner>. attach installs DOM behavior and needs a concrete host element owner.
Element behaviors are resumed by locating the owning DOM element. A component is not a DOM locator and may render zero, one, or many host nodes.
Move attach={...} to a host element such as <canvas>, or make the component forward behavior to a known host element in its own TSRX body.
https://markless.dev/errors/MARKLESS_ATTACH_HOST_ELEMENT_REQUIRED

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How to fix it

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Where it comes from

@markless/compiler raises this code. Source:

• packages/compiler/src/passes/semantic-graph/diagnostics.ts

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