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fix(web): lecteur mobile — couvrir les pages CBZ verticales non chargées par un fallback de la taille de la page (même cellule grid, fond papier stable) pour éliminer les flashs noirs pendant le scroll vertical (bug #42)

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2026-08-26 13:46:17 +02:00
parent 6b164d4bde
commit 5fc70d39b7
2 changed files with 24 additions and 0 deletions
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9
apps/web/src/reader/readerRuntime.test.ts
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@ -222,6 +222,15 @@ describe("reader runtime helpers", () => {
expect(verticalBranch).not.toContain('hidden={!imageSizes[item.page]}');
});
it("keeps unloaded CBZ vertical pages visually covered by a page-sized fallback", () => {
const styles = readFileSync(new URL("../styles/app.css", import.meta.url), "utf8");
expect(styles).toContain(".comic-page-frame-vertical > img,\n.comic-page-frame-vertical > .reader-fallback");
expect(styles).toContain(".comic-page-frame-vertical > .reader-fallback {\n width: 100%;");
expect(styles).toContain("min-height: inherit");
expect(styles).toContain("background: #f7f0df");
});
it("starts vertical reader overflow from the top edge instead of centered content", () => {
const styles = readFileSync(new URL("../styles/app.css", import.meta.url), "utf8");
const verticalStage = styles.match(/\.reader-mode-vertical \.reader-stage\s*\{[^}]+\}/)?.[0] ?? "";

15
apps/web/src/styles/app.css
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@ -1114,6 +1114,21 @@ main.app-main-reader .reader-page {
padding: 0 12px;
}
.comic-page-frame-vertical > img,
.comic-page-frame-vertical > .reader-fallback {
grid-area: 1 / 1;
}
.comic-page-frame-vertical > .reader-fallback {
width: 100%;
min-height: inherit;
box-sizing: border-box;
border: 1px solid var(--line);
border-radius: var(--radius);
background: #f7f0df;
color: #17110d;
}
.pdf-page-frame canvas,
.cbz-reader img {
display: block;