Arrow icons, cascading own CSS, a preload for the hero image, and EB Solar
Built while setting up the redesign of ebsolar.de as the sixth local
installation (scripts/seed-ebsolar.php, reset-ebsolar.sh, ports 8096/8097).
The rebuild surfaced four things in the core:
- The icon set knows three arrows now: arrow-right, arrow-left,
arrow-up-right. The button block and the post navigation render them as
inline SVG inside the same aria-hidden span as before, so a template that
hides the arrow with "& span{display:none}" keeps working. Until now the
arrow was a text glyph that looked different in every font. Umut: "bei
alle Projekte bzw bei allen möchte ich dieses emoji icon weg haben".
- Own CSS with the same nested selector twice kept only the last rule.
"& .post-card{border:0}" followed by "& .post-card{transform:none}" lost
the border - silently, which brought the core's card frame back on the
project grid. The parser now joins the declarations in source order, as
CSS does; the same for "&{…}" next to the element's own properties.
- The eager image over the fold was not preloaded. The background image of
the first section has had a preload link for a while; a plain <img> was
found only after the stylesheet was parsed, and that round trip went
straight into LCP. PageController::heroImage() now writes the same src,
srcset and sizes the block template writes, and page.html.twig emits the
link - unless a background image is already preloaded.
- Measured on the way: an entrance effect on the LCP element costs about
900 ms of render delay. The EB Solar hero image therefore has none.
Tests: 581 green, the icon test accepts quoted keys, two cases for the CSS
cascade, the preload asserted in the big-picture test.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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/*
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* Zeichnet die Bildkarten des Solarchecks von EB Solar und rastert sie zu PNG.
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*
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* Die Formularbausteine zeigen eine Auswahl als Bildkarten, sobald eine Option ein Bild aus der
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* Mediathek hat - und die Mediathek nimmt JPEG, PNG und WebP, kein SVG. Deshalb entstehen die
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* Symbole hier als SVG (leicht zu ändern, alles in einer Datei) und werden mit Chromium auf
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* 800 × 600 gerastert, dem Seitenverhältnis 4:3 der Karte. Stil wie die übrigen Symbole der
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* Website: dünne Linie in Tinte, runde Enden, ein roter Akzent, helle Fläche dahinter.
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*
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* node scripts/build-ebsolar-options.mjs → var/ebsolar-assets/options/*.png und *.svg
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*/
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import { chromium } from 'playwright';
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import { mkdir, writeFile } from 'node:fs/promises';
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const ziel = process.argv[2] || 'var/ebsolar-assets/options';
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const TINTE = '#252b30', ROT = '#b52c2c', HELL = '#f5f6f6', PAPIER = '#ffffff', GRAU = '#c9ced0';
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/** Ein Bild: 800 × 600, helle Fläche, Inhalt in der Mitte. */
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const bild = (inhalt) => `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 600" width="800" height="600">
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<rect width="800" height="600" fill="${HELL}"/>
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<g fill="none" stroke="${TINTE}" stroke-width="14" stroke-linecap="round" stroke-linejoin="round">${inhalt}</g>
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</svg>`;
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/** Eine Person: Kopf und Schultern. */
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const person = (x, y, s = 1, farbe = TINTE) => `
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<circle cx="${x}" cy="${y - 120 * s}" r="${46 * s}" stroke="${farbe}"/>
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<path d="M${x - 88 * s} ${y + 70 * s}v-${30 * s}a${88 * s} ${88 * s} 0 0 1 ${176 * s} 0v${30 * s}" stroke="${farbe}"/>`;
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/** Ein Haus: Wände plus Dach nach Angabe; das Dach ist der Akzent. */
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const haus = (dach) => `
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<path d="M190 520V300M610 520V300M150 520h500"/>
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<rect x="360" y="410" width="80" height="110" rx="6"/>
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${dach}`;
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/** Ein Dach als schräge Fläche mit Modulen im Raster. */
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const module = (spalten, zeilen) => {
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const x0 = 160, y0 = 150, b = 480, h = 300, scher = 90;
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const zellen = [];
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for (let z = 0; z < zeilen; z++) {
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for (let s = 0; s < spalten; s++) {
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const bx = b / spalten, bh = h / zeilen;
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const x = x0 + s * bx + (z * bh) * (scher / h), y = y0 + z * bh;
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zellen.push(`<path d="M${x + 8} ${y + 8}h${bx - 16}l${(bh - 16) * scher / h} ${bh - 16}h-${bx - 16}z" fill="${ROT}" fill-opacity=".14" stroke="${ROT}" stroke-width="8"/>`);
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}
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}
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return `<path d="M${x0} ${y0}h${b}l${scher} ${h}h-${b}z"/>${zellen.join('')}`;
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};
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const fragezeichen = (x, y, s = 1) => `<path d="M${x - 40 * s} ${y - 50 * s}a${40 * s} ${40 * s} 0 1 1 ${58 * s} ${36 * s}c-${14 * s} ${9 * s}-${18 * s} ${18 * s}-${18 * s} ${34 * s}" stroke="${ROT}"/><circle cx="${x}" cy="${y + 65 * s}" r="9" fill="${ROT}" stroke="none"/>`;
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const batterie = (inhalt, farbe = TINTE) => `
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<rect x="190" y="200" width="380" height="200" rx="26" stroke="${farbe}"/>
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<path d="M570 260h30a20 20 0 0 1 20 20v40a20 20 0 0 1-20 20h-30" stroke="${farbe}"/>
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${inhalt}`;
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const bilder = {
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// Wie viele Personen leben im Haushalt?
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'personen-1': person(400, 320, 1.3),
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'personen-2': person(300, 320, 1.15) + person(500, 320, 1.15),
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'personen-3-4': person(210, 330) + person(400, 330) + person(590, 330),
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'personen-4-plus': person(160, 330, .85) + person(320, 330, .85) + person(480, 330, .85) + person(640, 330, .85)
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+ `<path d="M715 140v70M680 175h70" stroke="${ROT}"/>`,
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// Welche Form hat Ihr Dach?
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'dach-flach': haus(`<path d="M150 300h500" stroke="${ROT}"/><path d="M200 300v-40h400v40" stroke="${ROT}"/>`),
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'dach-sattel': haus(`<path d="M140 320 400 120l260 200" stroke="${ROT}"/>`),
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'dach-pult': haus(`<path d="M150 330 650 190" stroke="${ROT}"/><path d="M610 300v-95" />`),
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'dach-versetzt': `
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<path d="M120 520h560M160 520V370M440 520V270M660 520V330"/>
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<rect x="260" y="420" width="70" height="100" rx="6"/>
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<path d="M120 380 290 250l150 120" stroke="${ROT}"/><path d="M440 290 560 180l130 140" stroke="${ROT}"/>`,
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'dach-sonstiges': haus(`<path d="M140 320 400 120l260 200" stroke="${GRAU}"/>`) + fragezeichen(400, 250, 1.1),
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// Wie groß ist Ihre Dachfläche?
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'flaeche-50': module(2, 1),
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'flaeche-100': module(3, 2),
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'flaeche-200': module(5, 3),
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'flaeche-200-plus': module(7, 4),
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'flaeche-unsicher': `<path d="M160 150h480l90 300H160z" stroke="${GRAU}"/>` + fragezeichen(400, 300, 1.4),
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// Aus welchem Material besteht die Dacheindeckung?
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'eindeckung-ziegel': [0, 1, 2, 3].map(z => [0, 1, 2, 3, 4].map(s => {
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if (z % 2 === 1 && s === 4) return '';
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const x = 150 + s * 100 + (z % 2) * 50, y = 170 + z * 80;
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return `<path d="M${x} ${y}a50 50 0 0 0 100 0" stroke="${z === 2 && s === 2 ? ROT : TINTE}"/>`;
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}).join('')).join(''),
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'eindeckung-bitumen': `
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<path d="M130 440h540v50H130z"/>
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<circle cx="250" cy="360" r="70"/><circle cx="250" cy="360" r="26"/>
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<path d="M320 400h340" stroke="${ROT}" stroke-width="22"/>
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<path d="M250 430h410" stroke="${ROT}" stroke-width="22" stroke-opacity=".35"/>`,
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'eindeckung-blech': `
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<path d="M120 340h50l30-70h60l30 70h60l30-70h60l30 70h60l30-70h60l30 70h30"/>
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<path d="M120 420h50l30-70h60l30 70h60l30-70h60l30 70h60l30-70h60l30 70h30" stroke="${GRAU}"/>
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<path d="M120 340v80M680 340v80" stroke="${GRAU}"/>
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<path d="M350 340l30-70h60l30 70" stroke="${ROT}"/>`,
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'eindeckung-anderes': `<rect x="200" y="150" width="400" height="300" rx="20" stroke="${GRAU}"/>` + fragezeichen(400, 300, 1.4),
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// Wünschen Sie einen Stromspeicher?
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'speicher-ja': batterie(`<path d="M420 230 350 310h60l-30 70 70-80h-60z" fill="${ROT}" stroke="${ROT}" stroke-width="10"/>`),
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'speicher-nein': batterie('', GRAU) + `<path d="M190 470 610 130" stroke="${ROT}"/>`,
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};
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await mkdir(ziel, { recursive: true });
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const browser = await chromium.launch();
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const page = await browser.newPage({ viewport: { width: 800, height: 600 }, deviceScaleFactor: 1 });
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for (const [name, inhalt] of Object.entries(bilder)) {
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const svg = bild(inhalt);
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await writeFile(`${ziel}/${name}.svg`, svg);
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await page.setContent(`<!doctype html><body style="margin:0;background:${PAPIER}">${svg}</body>`);
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await page.locator('svg').screenshot({ path: `${ziel}/${name}.png`, omitBackground: false });
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console.log('gezeichnet:', name);
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}
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await browser.close();
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@@ -0,0 +1,13 @@
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#!/bin/sh
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# Wirft die EB-Solar-Installation weg und baut sie neu auf. Nur fuer den Aufbau gedacht.
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set -e
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root="C:/Django Project/KantSites"
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php="${PHP_BINARY:-C:/php84/php.exe}"
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export DATABASE_URL="sqlite:///$root/var/ebsolar.db"
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export MEDIA_DIRECTORY="$root/var/ebsolar-media"
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rm -f "$root/var/ebsolar.db"
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rm -rf "$root/var/ebsolar-media"
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"$php" vendor/bin/doctrine-migrations migrate --no-interaction -q
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assets="${1:-$root/var/ebsolar-assets}"
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# Die Vorlage nutzt Arial; es gibt keine Schrift zu holen.
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"$php" -d memory_limit=512M scripts/seed-ebsolar.php "$assets"
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