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release 1.0.0
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smastrom committed Aug 17, 2023
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62 changes: 41 additions & 21 deletions README.md
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# Vue Use Fixed Header

Turn your boring fixed header into a smart one with one line of code.
Turn your boring fixed header into a smart one with three lines of code.

<br />

Expand All @@ -12,13 +12,12 @@ Turn your boring fixed header into a smart one with one line of code.

## Features

- **Dead simple** - Call a function and you're done whether you're SSR'ing or not
- **Lightweight** - Just over 1kb without any dependency
- **Enjoyable** - When scrolling down, the header is hidden, when scrolling up, the header is shown.
- **Powerful** - Uses acceleration delta for both hiding and showing instead of fixed thresholds
- **User-centric** - Behaves as your users expect on page load, scroll restoration, hovering, dropdown navigation, top reached and reduced motion.
- **Dead simple** - Write three lines of code and you're done.
- **Enjoyable defaults** - When scrolling down, the header is hidden, when scrolling up, the header is shown.
- **Powerful** - Uses acceleration delta (scroll speed) for both hiding and showing instead of fixed thresholds.
- **Intuitive** - Behaves as expected on page load, scroll restoration, hovering, dropdown navigation, top-reached and reduced motion.
- **Smart** - Functionalities are automatically enabled/disabled if your header turns from fixed/sticky to something else or it is hidden at different viewports
- **Flexible** - Works with any scrolling container and with your own transition styles
- **Flexible** - Works with any scrolling container and with your own styles

<br />

Expand All @@ -28,11 +27,21 @@ Turn your boring fixed header into a smart one with one line of code.
pnpm add vue-use-fixed-header
```

Or:

```bash
yarn add vue-use-fixed-header
```

```bash
npm i vue-use-fixed-header
```

<br />

## Usage

Pass your header's template ref to `useFixedHeader`. Then style it as you normally would. That's it.
Pass your header's template ref to `useFixedHeader`. Then apply the returned reactive styles. That's it.

```vue
<script setup>
Expand All @@ -41,11 +50,11 @@ import { useFixedHeader } from 'vue-use-fixed-header'
const headerRef = ref(null)
useFixedHeader(headerRef)
const { styles } = useFixedHeader(headerRef)
</script>
<template>
<header class="Header" ref="headerRef">
<header class="Header" ref="headerRef" :style="styles">
<!-- Your content -->
</header>
</template>
Expand All @@ -59,35 +68,33 @@ useFixedHeader(headerRef)
</style>
```

As long as your header position is set to fixed/sticky, it will behave as described in the [features](#features) section.

> :warning: There's only **one rule** to respect: Do not apply any _transition-related_ property since they're handled internally. See [below](#customization) how to customize them.
All you have to do is to set `position: fixed` (or `sticky`) to your header. `useFixedHeader` will take care of the rest.

<br />

## Automatic behavior toggling

On resize, `useFixedHeader` checks your header's `position` and `display` properties to determine whether its functionalities should be enabled or not.

_Disabled_ means that the header will behave as you're not using the composable at all: no event listeners are attached and no additional styles are applied.
_Disabled_ means that no event listeners are attached and the returned styles match an empty object `{}`.

### Different viewports

If at different viewports your header position is not fixed/sticky (or it is hidden), functionalities are automatically toggled when needed.

So feel free to have code like this:
Hence feel free to have code like this:

```css
.Header {
position: fixed;
}

/* Will be disabled */
@media (max-width: 768px) {
.Header {
position: relative;
}
}

/* Same */
@media (max-width: 375px) {
.Header {
display: none;
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## Customization

```ts
useFixedHeader(headerRef, {
const { styles, isEnter, isLeave } = useFixedHeader(headerRef, {
/**
*
* Use `null` if content is scrolled by the window,
* otherwise pass a custom scrolling container template ref */
root: null,
/**
*
* ref or computed to watch for automatic behavior toggling */
watch: () => null,
/**
* Minimum acceleration delta required to show the header */
*
* Minimum acceleration delta required to show the header.
* An higher value means that the user has to scroll faster. */
enterDelta: 0.5,
/**
*
* Minimum acceleration delta required to hide the header */
leaveDelta: 0.15,
/**
* Custom enter transition styles */
*
* Whether to toggle `visibility: hidden` on leave.
* Set this to `false` if you want to keep the header
* visible. */
toggleVisibility: true,
/**
*
* Custom styles applied when scrolling up */
enterStyles: {
transition: `transform 0.3s ease-out`,
transform: 'translateY(0px)',
},
/**
* Custom leave transition styles */
*
* Custom styles applied when scrolling down */
leaveStyles: {
transition: `transform 0.5s ease-out`,
transform: 'translateY(-100%)',
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17 changes: 14 additions & 3 deletions demo/Header.vue
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@@ -1,15 +1,26 @@
<script setup lang="ts">
import { ref } from 'vue'
import { ref, watchEffect } from 'vue'
import { useFixedHeader } from '../src'
const headerRef = ref<HTMLElement | null>(null)
useFixedHeader(headerRef)
const { styles, isEnter, isLeave } = useFixedHeader(headerRef, {
toggleVisibility: true,
})
watchEffect(() => {
console.table([
{
isEnter: isEnter.value,
isLeave: isLeave.value,
},
])
})
</script>

<template>
<div>
<header class="Header" ref="headerRef">
<header class="Header" ref="headerRef" :style="styles">
<div class="Nav">
<h2 class="Global_Logo">Vufh</h2>
<ul class="Nav_List">
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8 changes: 5 additions & 3 deletions demo/WithContainer.vue
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Expand Up @@ -7,15 +7,15 @@ import Header from './Header.vue'
const containerRef = ref<HTMLElement | null>(null)
const headerRef = ref<HTMLElement | null>(null)
useFixedHeader(headerRef, {
const { styles } = useFixedHeader(headerRef, {
root: containerRef,
})
</script>

<template>
<div class="Scroll_Container" ref="containerRef">
<div class="Container">
<header class="Header_Wrapper" ref="headerRef">
<header class="Header_Wrapper" ref="headerRef" :style="styles">
<div class="Header_Container">
<h2 class="Global_Logo">Vufh</h2>

Expand Down Expand Up @@ -80,7 +80,9 @@ useFixedHeader(headerRef, {
line-height: 1;
padding: 0.65rem 1rem;
text-decoration: none;
transition: color 200ms ease-in-out, background-color 200ms ease-in-out;
transition:
color 200ms ease-in-out,
background-color 200ms ease-in-out;
}
@media (hover: hover) {
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22 changes: 10 additions & 12 deletions package.json
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@@ -1,8 +1,8 @@
{
"name": "vue-use-fixed-header",
"description": "Turn your boring fixed header into a smart one.",
"description": "Turn your boring fixed header into a smart one with three lines of code.",
"private": false,
"version": "0.9.8",
"version": "1.0.0",
"type": "module",
"keywords": [
"vue",
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"exports": {
".": {
"import": "./dist/index.js",
"require": "./dist/index.cjs"
"types": "./dist/index.d.ts"
}
},
"main": "dist/index.cjs",
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],
"scripts": {
"dev": "vite",
"build": "rimraf dist && vue-tsc && vite build",
"build": "rm -rf dist && vue-tsc && vite build",
"postbuild": "pnpm pack",
"build:demo": "rimraf dist && vue-tsc && vite build --mode demo",
"build:demo": "rm -rf dist && vue-tsc && vite build --mode demo",
"preview": "vite preview --mode demo",
"test": "pnpm run test:chrome && pnpm run test:firefox && pnpm run test:container:chrome && pnpm run test:container:firefox",
"test:chrome": "cypress run --component --browser chrome",
Expand All @@ -58,16 +58,14 @@
},
"devDependencies": {
"@rollup/plugin-terser": "^0.4.3",
"@types/node": "^20.4.5",
"@types/node": "^20.5.0",
"@vitejs/plugin-vue": "^4.2.3",
"@vue/compiler-dom": "^3.3.4",
"cypress": "^12.17.2",
"cypress-real-events": "^1.9.1",
"cypress": "^12.17.4",
"cypress-real-events": "^1.10.0",
"playwright-webkit": "~1.34.3",
"rimraf": "^5.0.1",
"typescript": "^5.1.6",
"vite": "^4.4.7",
"vite-plugin-dts": "^3.3.1",
"vite": "^4.4.9",
"vite-plugin-dts": "^3.5.2",
"vue": "^3.3.4",
"vue-tsc": "^1.8.8"
}
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