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feat(runtime): support viewport-ahead reveals

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slhx agent
2026-08-02 22:06:18 +02:00
parent c530dc5d8f
commit da28db9775
7 changed files with 62 additions and 19 deletions
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examples/html_examples/README.md
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@@ -44,7 +44,7 @@ Status legend:
| `edit-row` | implemented | A table row is a keyed `.heml` partial with generated edit/save forms; no selector target strings. | `templates/partials/editable_row.heml`, `editable_row_handlers::edit_row`, `save_row` |
| `lazy-load` | implemented | `data-hemx-revealed` dispatches a generated form once when visible; the server swaps a generated lazy panel. | `gallery.heml`, `gallery_handlers::lazy_load`, `LazyPanel` |
| `inline-validation` | implemented | A generated form reports field failure with `validate_email_form.error(...)`, focuses the field, and updates status text. | `templates/gallery.heml`, `gallery_handlers::validate_email` |
| `infinite-scroll` | implemented | A revealed sentinel form posts to the same server-owned loading model and replaces generated keyed rows. | `gallery_handlers::infinite_scroll`, `data-hemx-revealed`, `infinite_row` |
| `infinite-scroll` | implemented | A revealed sentinel form posts to the same server-owned loading model and replaces generated keyed rows; `data-hemx-revealed-ahead` opts into viewport-ahead loading without moving the observed element. | `gallery_handlers::infinite_scroll`, `data-hemx-revealed`, `data-hemx-revealed-ahead`, `infinite_row` |
| `active-search` | implemented | The search form uses GET URL state; the server derives result rows and reconciles generated keyed partials by removing filtered-out keys, replacing retained keys, and appending newly visible keys. | `gallery_handlers::search`, `SearchResult` |
| `progress-bar` | implemented | The Tick progress button advances server-owned progress and replaces a generated progress partial with visible percentage text. | `gallery_handlers::tick_progress`, `ProgressMeter` |
| `value-select` | implemented | The first select posts a generated form; the server derives and replaces generated option rows for the second select. | `gallery_handlers::choose_category`, `ValueOption` |
examples/html_examples/templates/gallery.heml
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@@ -69,7 +69,7 @@
{+ row +}
</template>
</ul>
<form data-hemx-handle="infinite_scroll" data-hemx-form="infinite_scroll" data-hemx-revealed="true">
<form data-hemx-handle="infinite_scroll" data-hemx-form="infinite_scroll" data-hemx-revealed="true" data-hemx-revealed-ahead="1">
<input type="hidden" name="request" value="more">
<button type="submit">Reveal more rows</button>
</form>