REACT MULTISELECT DROPDOWN

A React component which provides multi select functionality with various features like selection limit, CSS customization, checkbox, search option, disable preselected values, flat array, keyboard navigation for accessibility and grouping features. Also it has feature to behave like normal dropdown(means single select dropdown).

Getting Started

1. Installation

npm install multiselect-react-dropdown

2. Basic Usage

import { Multiselect } from 'multiselect-react-dropdown';

this.state = {
    options: [{name: 'Srigar', id: 1},{name: 'Sam', id: 2}]
};

<Multiselect
options={this.state.options} // Options to display in the dropdown
selectedValues={this.state.selectedValue} // Preselected value to persist in dropdown
onSelect={this.onSelect} // Function will trigger on select event
onRemove={this.onRemove} // Function will trigger on remove event
displayValue="name" // Property name to display in the dropdown options
/>

onSelect(selectedList, selectedItem) {
    ...
}

onRemove(selectedList, removedItem) {
    ...
}

3. Props

Prop Type Default Description
options array [] Dropdown options
onSelect function func Callback function will invoked on select event. Params are selectedList & selectedItem
onRemove function func Callback function will invoked on remove event. Params are selectedList & removedItem
singleSelect boolean false Make it true to behave like a normal dropdown(single select dropdown)
selectedValues array [] Preselected value to persist in dropdown
showCheckbox bool false To display checkbox option in the dropdown
selectionLimit number -1 You can limit the number of items that can be selected in a dropdown
placeholder string Select Placeholder text
disablePreSelectedValues bool false Prevent to deselect the preselected values
isObject bool true Make it false to display flat array of string or number Ex. ['Test1',1]
displayValue string value Property name in the object to display in the dropdown. Refer Basic Usage section
emptyRecordMsg string No options available Message to display when no records found
groupBy string '' Group the popup list items with the corresponding category by the property name in the object
closeIcon string circle Option to select close icon instead of default. Refer Close Icon section
style object {} CSS Customization for multiselect. Refer below object for css customization.
caseSensitiveSearch bool false Enables case sensitivity on the search field.
closeOnSelect bool true Dropdown get closed on select/remove item from options.
id string '' Id for the multiselect container and input field(In input field it will append '{id}_input').
avoidHighlightFirstOption bool false Based on flag first option will get highlight whenever optionlist open.
hidePlaceholder bool false For true, placeholder will be hidden if there is any selected values in multiselect
disable bool false For true, dropdown will be disabled
onSearch function func Callback function invoked on search in multiselect, helpful to make api call to load data from api based on search.
loading bool false If options is fetching from api, in the meantime, we can show loading... message in the list.
loadingMessage any '' Custom loading message, it can be string or component.
showArrow bool false For multiselect dropdown by default arrow wont show at the end, If required based on flag we can display
keepSearchTerm bool false Whether or not to keep the search value after selecting or removing an item

4. Ref as a prop

By using React.createRef() or useRef(), able to access below methods to get or reset selected values

Method Name Description
resetSelectedValues Programatically reset selected values and returns promise
getSelectedItems Get all selected items
getSelectedItemsCount Get selected items count
constructor() {
  this.multiselectRef = React.createRef();
}

resetValues() {
  // By calling the belowe method will reset the selected values programatically
  this.multiselectRef.current.resetSelectedValues();
}

<Multiselect
options={this.state.options} // Options to display in the dropdown
ref={this.multiselectRef}
/>


5. CSS Customization

{
  multiselectContainer: { // To change css for multiselect (Width,height,etc..)
	....
  },
  searchBox: { // To change search box element look
	border: none;
	font-size: 10px;
	min-height: 50px;
  },
  inputField: { // To change input field position or margin
      margin: 5px;
  },
  chips: { // To change css chips(Selected options)
	background: red;
  },
  optionContainer: { // To change css for option container 
	border: 2px solid;
  }
  option: { // To change css for dropdown options
	color: blue;
  },
  groupHeading: { // To chanage group heading style
	....
  }
}

6. Close Icons

Name Image
circle circle
circle2 circle2
cancel cancel
close close