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140 lines
3.0 KiB
Markdown
Executable File
140 lines
3.0 KiB
Markdown
Executable File
# use-light-switch
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**React hook for dark mode.**
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## 🌈 Features
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- Typescript compatible
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- **0** Dependencies
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- Tiny **~0.4kB**
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- React Hooks
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###### Installation
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```
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npm i use-light-switch
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```
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## 💻 [Live Example](https://codesandbox.io/s/simple-wbpgp)
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## 🤔 Motivation
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There was no library that included typings 🤕
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## 🚀 Quickstart
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```typescript
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import React from 'react'
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import ReactDOM from 'react-dom'
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import { useModeSelector } from 'use-light-switch'
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const App: React.FC = () => {
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const selected = useModeSelector({
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light: { color: 'green', name: 'Light' },
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dark: { color: 'red', name: 'Dark' },
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unset: { color: 'blue', name: 'Unset' },
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})
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return <div>
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<p>Try switching your dark mode in macOS or Windows</p>
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<div style={{
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padding: '1em 2em',
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backgroundColor: selected.color
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}}>
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{selected.name}
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</div>
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</div>
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}
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ReactDOM.render(<App />, window.document.getElementById('root'))
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```
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## 📒 Reference
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### `useLightSwitch()`
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This is the most basic react hook. It returns one of 3 [Modes](#mode)
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###### Example
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```typescript
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import { Mode, useLightSwitch } from 'use-light-switch'
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const Simple: React.FC = () => {
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const mode = useLightSwitch()
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if (mode === Mode.Dark) ...
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return ...
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}
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```
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### Mode
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A simple enum. Possible values are:
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- `Mode.Light`
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- `Mode.Dark`
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- `Mode.Unset`
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`Unset` is returned when the user has no explicit preference. This is often the case with older or if it's simply unsupported.
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### `useModeSelector(options)`
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This is a handy hook that reduces boilerplate. You pass values for the different modes and the hook will choose accordingly to what is currently selected. uses [`modeSelector`](#modeselectormode-options) under the hood.
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###### Example
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```typescript
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import { useModeSelector } from 'use-light-switch'
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const WithSelector: React.FC = () => {
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const selected = useModeSelector({
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light: { color: 'green', name: 'Light' },
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dark: { color: 'red', name: 'Dark' },
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unset: { color: 'blue', name: 'Unset' },
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})
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return <div>
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<h3>Selector</h3>
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<div style={{
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padding: '1em 2em',
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backgroundColor: selected.color
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}}>
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{selected.name}
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</div>
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</div>
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}
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```
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All parameters are optional and typesafe.
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### `modeSelector(mode, options)`
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This is a simple functions that returns the matched option to the mode.
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###### Example
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```typescript
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import { Mode, modeSelector } from 'use-light-switch'
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const selected = modeSelector(
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Mode.Dark,
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{
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light: { color: 'green', name: 'Light' },
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dark: { color: 'red', name: 'Dark' },
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unset: { color: 'blue', name: 'Unset' },
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}
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)
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selected.color // red
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selected.name // Dark
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```
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