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https://github.com/glennflanagan/react-collapsible
React component to wrap content in Collapsible element with trigger to open and close.
https://github.com/glennflanagan/react-collapsible
accordion collapsible react
Last synced: 27 days ago
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React component to wrap content in Collapsible element with trigger to open and close.
- Host: GitHub
- URL: https://github.com/glennflanagan/react-collapsible
- Owner: glennflanagan
- License: mit
- Created: 2016-03-03T16:34:45.000Z (over 8 years ago)
- Default Branch: develop
- Last Pushed: 2023-02-28T09:46:41.000Z (over 1 year ago)
- Last Synced: 2024-08-20T21:43:12.048Z (about 1 month ago)
- Topics: accordion, collapsible, react
- Language: JavaScript
- Homepage:
- Size: 2.84 MB
- Stars: 543
- Watchers: 8
- Forks: 153
- Open Issues: 31
-
Metadata Files:
- Readme: README.md
- License: LICENSE.md
Awesome Lists containing this project
README
[](https://www.npmjs.com/package/react-collapsible) [](https://github.com/glennflanagan/react-collapsible/blob/develop/LICENSE.md) [](https://npmcharts.com/compare/react-collapsible)
# React Responsive Collapsible Section Component (Collapsible)
React component to wrap content in Collapsible element with trigger to open and close.
It's like an accordion, but where any number of sections can be open at the same time.
Supported by [Browserstack](https://www.browserstack.com).
---
## Migrating from v1.x to v2.x
Version 2 is 100% API complete to version 1. However, there is a breaking change in the `onOpen` and `onClose` callbacks. These methods now fire at the end of the collapsing animation. There is also the addition of `onOpening` and `onClosing` callbacks which fire at the beginning of the animation.
To migrate to v2 from v1 simply change the `onOpen` prop to `onOpening` and `onClose` to `onClosing`.
## Installation
Install via npm or yarn
```bash
npm install react-collapsible --save
yarn add react-collapsible
```
## Usage
Collapsible can receive any HTML elements or React component as it's children. Collapsible will wrap the contents, as well as generate a trigger element which will control showing and hiding.
```javascript
import React from 'react';
import Collapsible from 'react-collapsible';
const App = () => {
return (
This is the collapsible content. It can be any element or React
component you like.
It can even be another Collapsible component. Check out the next
section!
);
};
export default App;
```
With a little CSS becomes
## Properties _(Options)_
### **contentContainerTagName** | _string_ | default: `div`
Tag Name for the Collapsible Root Element.
### **containerElementProps** | _object_
Pass props (or attributes) to the top div element. Useful for inserting `id`.
### **trigger** | _string_ or _React Element_ | **required**
The text or element to appear in the trigger link.
### **triggerTagName** | _string_ | default: span
The tag name of the element wrapping the trigger text or element.
### **triggerStyle** | _object_ | default: null
Adds a style attribute to the trigger.
### **triggerWhenOpen** | _string_ or _React Element_
Optional trigger text or element to change to when the Collapsible is open.
### **triggerDisabled** | _boolean_ | default: false
Disables the trigger handler if `true`. Note: this has no effect other than applying the `.is-disabled` CSS class if you've provided a `handleTriggerClick` prop.
### **triggerElementProps** | _object_
Pass props (or attributes) to the trigger wrapping element. Useful for inserting `role` when using `tabIndex`.
As an alternative to an auto generated id (which is not guaranteed to be unique in extremely fast builds) that is used as the TriggerElement id, and also as a separate `aria-labelledby` attribute, a custom id can be assigned by providing `triggerElementProps` with an object containing an `id` key and value, e.g. `{id: 'some-value'}`.
### **contentElementId** | _string_
Allows for an alternative to an auto generated id (which is not guaranteed to be unique in extremely fast builds) that is used as part of the component id and the `aria-controls` attribute of the component.
### **transitionTime** | _number_ | default: 400
The number of milliseconds for the open/close transition to take.
### **transitionCloseTime** | _number_ | default: null
The number of milliseconds for the close transition to take.
### **easing** | _string_ | default: 'linear'
The CSS easing method you wish to apply to the open/close transition. This string can be any valid value of CSS `transition-timing-function`. For reference view the [MDN documentation](https://developer.mozilla.org/en/docs/Web/CSS/transition-timing-function).
### **open** | _bool_ | default: false
Set to true if you want the Collapsible to begin in the open state. You can also use this prop to manage the state from a parent component.
### **accordionPosition** | _string_
Unique key used to identify the `Collapse` instance when used in an accordion.
### **handleTriggerClick** | _function_
Define this to override the click handler for the trigger link. Takes one parameter, which is `props.accordionPosition`.
### **onOpen** | _function_
Is called when the Collapsible has opened.
### **onClose** | _function_
Is called when the Collapsible has closed.
### **onOpening** | _function_
Is called when the Collapsible is opening.
### **onClosing** | _function_
Is called when the Collapsible is closing.
### **onTriggerOpening** | _function_
Is called when the Collapsible open trigger is clicked. Like onOpening except it isn't called when the open prop is updated.
### **onTriggerClosing** | _function_
Is called when the Collapsible close trigger is clicked. Like onClosing except it isn't called when the open prop is updated.
### **lazyRender** | _bool_ | default: false
Set this to true to postpone rendering of all of the content of the Collapsible until before it's opened for the first time
### **overflowWhenOpen** | _enum_ | default: 'hidden'
The CSS overflow property once the Collapsible is open. This can be any one of the valid CSS values of `'hidden'`, `'visible'`, `'auto'`, `'scroll'`, `'inherit'`, `'initial'`, or `'unset'`
### **contentHiddenWhenClosed** | _bool_ | default: false
Set this to true to add the html hidden attribute to the content when the collapsible is fully closed.
### **triggerSibling** | _element_ | default: null
Escape hatch to add arbitrary content on the trigger without triggering expand/collapse. It's up to you to style it as needed. This is inserted in component tree and DOM directly
after `.Collapsible__trigger`
### **tabIndex** | _number_ | default: null
A `tabIndex` prop adds the `tabIndex` attribute to the trigger element which in turn allows the Collapsible trigger to gain focus.
## CSS Class String Props
### **classParentString** | _string_ | default: Collapsible
Use this to overwrite the parent CSS class for the Collapsible component parts. Read more in the CSS section below.
### **className** | _string_
`.Collapsible` element (root) when closed
### **openedClassName** | _string_
`.Collapsible` element (root) when open
### **triggerClassName** | _string_
`.Collapsible__trigger` element (root) when closed
### **triggerOpenedClassName** | _string_
`.Collapsible__trigger` element (root) when open
### **contentOuterClassName** | _string_
`.Collapsible__contentOuter` element
### **contentInnerClassName** | _string_
`.Collapsible__contentInner` element
## CSS Styles
In theory you don't need any CSS to get this to work, but let's face it, it'd be pretty rubbish without it.
By default the parent CSS class name is `.Collapsible` but this can be changed by setting the `classParentString` property on the component.
The CSS class names follow a [type of BEM pattern](http://getbem.com/introduction/) of CSS naming. Below is a list of the CSS classes available on the component.
### `.Collapsible`
The parent element for the components.
### `.Collapsible__trigger`
The trigger link that controls the opening and closing of the component.
The state of the component is also reflected on this element with the modifier classes;
- `is-closed` | Closed state
- `is-open` | Open setState
- `is-disabled` | Trigger is disabled
### `.Collapsible__contentOuter`
The outer container that hides the content. This is set to `overflow: hidden` within the javascript but everything else about it is for you to change.
### `.Collapsible__contentInner`
This is a container for the content passed into the component. This keeps everything nice and neat and allows the component to do all it's whizzy calculations.
If you're using a CSS framework such as Foundation or Bootstrap, you probably want to use their classes instead of styling `.Collapsible`. See Properties above.
## Example
Examples of `` components can be found in the `./example` folder. To get the example running:
```
cd example && yarn && yarn start
```
This will run a [parceljs](https://parceljs.org) app.
## Issues
Please create an issue for any bug or feature requests.
Here is a plain [JSFiddle](https://jsfiddle.net/sm7n31p1/1/) to use for replicating bugs.
## Licence
React Responsive Collapsible Section Component is [MIT licensed](LICENSE.md)