Packages
phoenix_duskmoon
8.0.0
9.9.2
9.9.1
9.9.0
9.8.0
9.7.1
9.7.0
9.6.4
9.6.3
9.6.2
9.6.1
9.6.0
9.5.4
9.5.3
9.5.2
9.5.1
9.5.0
9.4.3
9.4.2
9.4.1
9.4.0
9.3.0
9.2.0
9.1.4
9.1.3
9.1.1
9.1.1-rc.1
retired
9.0.1
9.0.0-rc.3
9.0.0-rc.2
9.0.0-rc.1
8.0.0
7.2.1
7.2.0
7.1.3
7.1.2
7.1.1
6.3.2
6.3.1
6.3.0
6.2.0
6.1.3
6.1.2
6.1.1
6.1.0
6.0.10
6.0.9
6.0.8
6.0.7
6.0.6
6.0.5
6.0.4
6.0.3
6.0.2
6.0.1
6.0.0
5.2.0-beta.5
5.2.0-beta.4
5.2.0-beta.3
5.2.0-beta.2
5.2.0-beta.1
5.1.0
5.0.6
5.0.5
5.0.4
5.0.3
5.0.2
5.0.1
5.0.0
4.6.6
4.6.5
4.6.4
4.6.3
4.6.2
4.6.1
4.6.0
4.5.2
4.5.1
4.5.0
4.4.4
4.4.3
4.4.2
4.4.1
4.4.0
4.3.2
4.3.1
4.3.0
4.2.0
4.1.1
4.1.0
4.0.0
Duskmoon UI component library for Phoenix LiveView
Current section
Files
Jump to
Current section
Files
assets/js/hooks/page_header.js
/**
* PageHeader Hook
* Handles IntersectionObserver for showing/hiding nav based on header visibility
*/
export const PageHeader = {
mounted() {
const navId = this.el.dataset.navId;
const navEl = document.getElementById(navId);
if (!navEl) {
console.warn(`PageHeader hook: Nav element with id "${navId}" not found`);
return;
}
// Create threshold list for smooth transitions
const thresholds = [];
for (let i = 0; i <= 10; i++) {
thresholds.push(i / 10);
}
const options = {
root: null,
rootMargin: "0px",
threshold: thresholds,
};
this.observer = new IntersectionObserver((entries) => {
entries.forEach(entry => {
const intersectionRatio = entry.intersectionRatio;
if (intersectionRatio <= 0.5) {
navEl.classList.remove('hidden');
navEl.style.opacity = 1 - intersectionRatio;
} else {
navEl.classList.add('hidden');
}
});
}, options);
this.observer.observe(this.el);
},
destroyed() {
if (this.observer) {
this.observer.disconnect();
}
}
};