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fix: revoke object URL, merge history on import, handle prompt cancel

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This commit is contained in:
Ferdinand
2026-04-02 10:38:39 +02:00
parent f04bcce060
commit d9675f672d
1 changed files with 11 additions and 1 deletions
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12
js/collection.js
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@@ -43,6 +43,7 @@ export function addToHistory(hsl) {
export function addColorToSchema(hsl) { export function addColorToSchema(hsl) {
const name = prompt('Schema-Name (leer = letztes Schema):'); const name = prompt('Schema-Name (leer = letztes Schema):');
if (name === null) return; // user pressed Cancel — do nothing
const data = load(); const data = load();
if (name) { if (name) {
const existing = data.schemata.find(s => s.name === name); const existing = data.schemata.find(s => s.name === name);
@@ -83,10 +84,14 @@ export function deleteSchema(name) {
export function exportCollection() { export function exportCollection() {
const data = load(); const data = load();
const blob = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json' }); const blob = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a'); const a = document.createElement('a');
a.href = URL.createObjectURL(blob); a.href = url;
a.download = 'farbhelfer-sammlung.json'; a.download = 'farbhelfer-sammlung.json';
document.body.appendChild(a);
a.click(); a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
} }
export function importCollection() { export function importCollection() {
@@ -109,6 +114,11 @@ export function importCollection() {
(imported.schemata || []).forEach(s => { (imported.schemata || []).forEach(s => {
if (!existingSchemaNames.has(s.name)) data.schemata.push(s); if (!existingSchemaNames.has(s.name)) data.schemata.push(s);
}); });
const existingHistHexes = new Set(data.history.map(hslToHex));
(imported.history || []).forEach(hsl => {
if (!existingHistHexes.has(hslToHex(hsl))) data.history.push(hsl);
});
if (data.history.length > 20) data.history = data.history.slice(0, 20);
save(data); save(data);
renderSammlung(); renderSammlung();
alert('Import erfolgreich.'); alert('Import erfolgreich.');