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feat: Add composable to fetch app icon as SVG for inline use
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
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import type { Ref } from 'vue' | ||
import type { IAppstoreApp } from '../app-types.ts' | ||
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import { mdiCog } from '@mdi/js' | ||
import { computed, ref, watchEffect } from 'vue' | ||
import AppstoreCategoryIcons from '../constants/AppstoreCategoryIcons.ts' | ||
import logger from '../logger.ts' | ||
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/** | ||
* Get the app icon raw SVG for use with `NcIconSvgWrapper` (do never use without sanitizing) | ||
* It has a fallback to the categroy icon. | ||
* | ||
* @param app The app to get the icon for | ||
*/ | ||
export function useAppIcon(app: Ref<IAppstoreApp>) { | ||
const appIcon = ref<string|null>(null) | ||
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/** | ||
* Fallback value if no app icon available | ||
*/ | ||
const categoryIcon = computed(() => { | ||
const path = [app.value?.category ?? []].flat() | ||
.map((name) => AppstoreCategoryIcons[name]) | ||
.filter((icon) => !!icon) | ||
.at(0) | ||
?? mdiCog | ||
return path ? `<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="${path}" /></svg>` : null | ||
}) | ||
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watchEffect(async () => { | ||
// Note: Only variables until the first `await` will be watched! | ||
if (!app.value?.preview) { | ||
appIcon.value = categoryIcon.value | ||
} else { | ||
appIcon.value = null | ||
// Now try to load the real app icon | ||
try { | ||
const response = await window.fetch(app.value.preview) | ||
const blob = await response.blob() | ||
const rawSvg = await blob.text() | ||
appIcon.value = rawSvg.replaceAll(/fill="#(fff|ffffff)([a-z0-9]{1,2})?"/ig, 'fill="currentColor"') | ||
} catch (error) { | ||
appIcon.value = categoryIcon.value | ||
logger.error('Could not load app icon', { error }) | ||
} | ||
} | ||
}) | ||
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return { | ||
appIcon, | ||
} | ||
} |