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CAPTURE_ISLANDS_READY_EXPRESSION

The in-page expression for the hydration leg: await the host's readiness promise.

The in-page expression for the hydration leg: await the host’s readiness promise. A page carrying markers but no such promise is a broken host (a shell that shipped markers without the runtime), and it fails the capture saying so rather than shooting the un-hydrated server frames — which look plausible and are the wrong pixels.

Import from @homepages/template-kit.

const CAPTURE_ISLANDS_READY_EXPRESSION: string