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29 lines
1.1 KiB
TypeScript
29 lines
1.1 KiB
TypeScript
// Modals declared in page content render at the end of <body>, before the
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// settings panel (via PageModals).
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//
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// One registry per render, keyed by the request object (like page-scripts):
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// Astro renders pages concurrently in the build and the dev server, so a
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// module-level list would hand one page's modals to another.
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//
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// A string OR a promise of a string is registered: CaptureModal must register
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// itself SYNCHRONOUSLY in its frontmatter (before it first yields control via
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// await), because Astro renders siblings concurrently and PageModals may drain
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// the registry before the asynchronous render of the slot completes.
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type Modal = string | Promise<string>
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const registries = new WeakMap<object, Modal[]>()
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export function addPageModal(render: object, html: Modal): void {
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// No dedup: every slots.render() is a new promise, so identical markup
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// could never be told apart here anyway.
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const modals = registries.get(render) ?? []
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modals.push(html)
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registries.set(render, modals)
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}
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export function drainPageModals(render: object): Modal[] {
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const out = registries.get(render) ?? []
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registries.delete(render)
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return out
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}
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