Load the booking calendar in one step, without scrollbars

[silveltman]

Sil still saw scrollbars and a growing calendar while the booking on /contact/ loaded, and wants "Contact opnemen" in the header there too.

Cal.com reports linkReady at its two-column skeleton. When the times arrive it switches to three columns and slides them in for about 350ms. That overflows the frame by a few pixels, which shows both scrollbars, and the height jumps from 571 to 534px.

• A spinner (Fulldev UI) holds the booking's space from the first paint. The embed stays transparent, inert and out of the layout until Cal.com reports bookerReady, plus 500ms to settle.
• From an 809px viewport, 572px is held throughout, so the footer in view stays put; Safari settles at 571px at some widths. Narrower, Cal.com stacks, and about 85vw + 50rem is held while it loads; afterwards the box follows the booking, which gets shorter as the day's times pass.
• The frame gets scrolling="no". Cal.com sizes it to the booking, so an overflow while it moves or changes view only clips for a moment and never shows a scrollbar. Without it, Chromium shows a lasting scrollbar at 360 and 390px.
• The direct link shows when embed.js fails, when Cal.com reports linkFailed, or when the booking is not ready after 10 seconds; the frame stays hidden until it is.
• The box uses data-cal-embed, not data-cal-link, because embed.js opens a popup for clicks inside any data-cal-link element. That attribute is also on main and on full.dev.
• embed.js is preloaded in the head of the contact page.
• The header keeps "Contact opnemen" on /contact/, with aria-current="page".

Tested on the preview in Chromium with scrollbars shown, at widths from 360 to 1512px:

• no visible scrollbar;
• no clipped content;
• no height change after the booking shows;
• the link appears when Cal.com is blocked, stalls or fails;
• no popup on a click in the loading space;
• no scrollbar while clicking through to the booking form.

Also checked:

• iOS Safari on iPhone and iPad simulators, and Android Chrome: the whole booking shows, down to the last time.
• Desktop Safari on Otis: no scrollbars. Its locked screen throttles Cal.com's timers, so the frame sometimes kept the skeleton height there, in every variant tested, including main's.

🤖 Generated with Claude Code

[coderabbitai]

📝 Walkthrough

📝 Walkthrough

📝 Walkthrough

Walkthrough

The header button now appears on the page it links to and receives aria-current="page" when its href matches the current pathname. The contact calendar embed now uses a loading spinner, tracks loading, ready, and failed states, and shows a direct link when it is not loading or ready. The contact layout passes a loading label and preloads Cal.com’s embed script.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Bug fix

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Merge Risk: 🔵 Low · up to c72c3

Some visitors may see a failed calendar without the direct booking link. Correct the failure state before merging.

Pre-merge checks | 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage		No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 2…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.
Description check		The description directly explains the calendar loading, scrollbar, fallback, and header changes in the pull request.
Title check		The title clearly summarizes the main change: loading the booking calendar without scrollbars.

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Actionable comments posted: 1

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• 🪄 Fix CodeRabbit comments on this PR

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Inline comments:
Review comments at @src/components/cal-embed.astro:
- Line 119: Update the `linkFailed` callback in the Cal embed event handler to
set the state to `failed` instead of `ready`, keeping the direct fallback link
available when the embed fails to load.

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ℹ️ Review info

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• Plan: Essentials
• Run ID: 81066e2e-acdb-4520-908c-c5434f5700c0

📥 Commits

Reviewing files that changed from the base of the PR and between 0e58085 and c72c3da.

📒 Files selected for processing (9)

• DESIGN.md
• src/components/cal-embed.astro
• src/components/site-header.astro
• src/components/ui/spinner/index.ts
• src/components/ui/spinner/spinner.astro
• src/content/pages/contact.md
• src/layouts/base.astro
• src/layouts/contact.astro
• src/schemas/layouts/contact.ts

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