Files
sera-new-hp/composables/backgroundImageOptimization.ts

31 lines
910 B
TypeScript

/**
* Vue Composable for optimizing image used in background-image.
* @module composables/backgroundImageOptimization
*/
/**
* Vue Composable for optimizing background-image with Nuxt Image
* @returns { WritableComputedRef<{ backgroundImage: string}, string>} writable computed value that will return the Vue style object with optimized image URL
*/
function useBackgroundImageOptimization() {
const targetImage = ref("");
const img = useImage();
const backgroundImageStyles = computed({
get: () => {
const imageURL = img(targetImage.value, {
format: "webp",
quality: 80,
});
return { backgroundImage: `url("${imageURL}")` };
},
set: (value: string) => {
targetImage.value = value;
},
});
return { backgroundImageStyles };
}
export { useBackgroundImageOptimization };