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fix: first-load rendering for Waterfall CSS and WebSDR globe

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- Waterfall: load waterfall.css eagerly in <head> instead of lazily on
  mode switch; the lazy inject raced with the panel becoming visible,
  leaving unstyled HTML for up to 20 s on cold cache
- WebSDR: await a requestAnimationFrame before calling Globe()(mapEl) so
  the browser has committed the display:flex layout and clientWidth/
  clientHeight are non-zero; previously the globe WebGL renderer was
  created at 0×0 (especially on warm-cache refreshes) and could not
  recover via the deferred resize calls
- Bump version to 2.22.2

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-02-23 20:25:05 +00:00
parent b1993847b5
commit 4e67b77714
4 changed files with 30 additions and 3 deletions
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8
CHANGELOG.md
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@@ -2,6 +2,14 @@
All notable changes to iNTERCEPT will be documented in this file.
## [2.22.2] - 2026-02-23
### Fixed
- Waterfall control panel rendered as unstyled text for up to 20 seconds on first visit — CSS is now loaded eagerly with the rest of the page assets
- WebSDR globe failed to render on first page load — initialization now waits for a layout frame before mounting the WebGL renderer, ensuring the container has non-zero dimensions
---
## [2.22.1] - 2026-02-23
### Fixed

10
config.py
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@@ -7,10 +7,18 @@ import os
import sys
# Application version
VERSION = "2.22.1"
VERSION = "2.22.2"
# Changelog - latest release notes (shown on welcome screen)
CHANGELOG = [
{
"version": "2.22.2",
"date": "February 2026",
"highlights": [
"Waterfall control panel no longer shows as unstyled text on first visit",
"WebSDR globe renders correctly on first page load without requiring a refresh",
]
},
{
"version": "2.22.1",
"date": "February 2026",

11
static/js/modes/websdr.js
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@@ -51,6 +51,17 @@ async function initWebSDR() {
if (!mapEl) return;
const globeReady = await ensureWebsdrGlobeLibrary();
// Wait for a paint frame so the browser computes layout after the
// display:flex change in switchMode. Without this, Globe()(mapEl) can
// run before clientWidth/clientHeight are non-zero (especially when
// scripts are served from cache and resolve before the first layout pass).
await new Promise(resolve => requestAnimationFrame(resolve));
// If the mode was switched away while scripts were loading, abort so
// websdrInitialized stays false and we retry cleanly next time.
if (!mapEl.clientWidth || !mapEl.clientHeight) return;
if (globeReady && initWebsdrGlobe(mapEl)) {
websdrMapType = 'globe';
} else if (typeof L !== 'undefined' && await initWebsdrLeaflet(mapEl)) {

4
templates/index.html
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@@ -66,6 +66,7 @@
<link rel="stylesheet" href="{{ url_for('static', filename='css/components/function-strip.css') }}">
<link rel="stylesheet" href="{{ url_for('static', filename='css/components/toast.css') }}">
<link rel="stylesheet" href="{{ url_for('static', filename='css/components/ux-platform.css') }}">
<link rel="stylesheet" href="{{ url_for('static', filename='css/modes/waterfall.css') }}?v={{ version }}&r=wfdeck19">
<script>
window.INTERCEPT_MODE_STYLE_MAP = {
aprs: "{{ url_for('static', filename='css/modes/aprs.css') }}",
@@ -78,8 +79,7 @@
gps: "{{ url_for('static', filename='css/modes/gps.css') }}",
subghz: "{{ url_for('static', filename='css/modes/subghz.css') }}?v={{ version }}&r=subghz_layout9",
bt_locate: "{{ url_for('static', filename='css/modes/bt_locate.css') }}?v={{ version }}&r=btlocate4",
spaceweather: "{{ url_for('static', filename='css/modes/space-weather.css') }}",
waterfall: "{{ url_for('static', filename='css/modes/waterfall.css') }}?v={{ version }}&r=wfdeck19"
spaceweather: "{{ url_for('static', filename='css/modes/space-weather.css') }}"
};
window.INTERCEPT_MODE_STYLE_LOADED = {};
window.ensureModeStyles = function(mode) {