Slim Select

slimselectjs.com

Advanced select dropdown

Support

Documentation and Examples

See website for the full list of settings, methods and event callbacks

Features

• No Dependencies
• JS: 48kb - 10kb gzip
• CSS: 11kb - 2kb gzip
• Single Select
• Multi Select
• User Addable Options
• Html Options
• Settable Data
• Callback Events
• Label Support
• Placeholders
• Search
• Disable Options
• Light CSS
• Light Color Scheme
• Style and Class Inheritance
• Clean Animations
• Performant
• Typescript
• ARIA Accessibility (WCAG 2.1 Level AA compliant)

Frameworks

• Vue
• React

Installation

npm install slim-select

or

<script src="https://unpkg.com/slim-select@latest/dist/slimselect.js"></script>
<link rel="stylesheet" href="https://unpkg.com/slim-select@latest/dist/slimselect.css" />

Simple Usage

import SlimSelect from 'slim-select'
import 'slim-select/styles' // optional css import method
import 'slim-select/scss' // optional scss import method

new SlimSelect({
  select: '#selectElement'
})

<select id="selectElement">
  <option value="value1">Value 1</option>
</select>

Data

Data is an array of objects that represent both option and optgroups.

See below for list of data types

new SlimSelect({
  select: '#selectElement',

  // Array of Option objects
  data: [{ text: 'Value 1', value: 'value1' }],

  // or

  // Array of Optgroups and/or Options
  data: [{ label: 'Optgroup Label', options: { text: 'Value 1', value: 'value1' } }]
})

Data Types

// <optgroup>
var optgroup = {
  label: 'label', // Required
  selectAll: false, // Optional - default false
  closable: 'off', // Optional - default 'off' - 'off', 'open', 'close'
  options: [] // Required - value is an array of options
}

// <option>
var option = {
  text: 'text', // Required
  value: 'value', // Optional - value will be set by text if not set
  html: '<b>Html</b>', // Optional - if set, used for display purposes
  selected: false, // Optional - default is false
  display: true, // Optional - default is true
  disabled: false, // Optional - default is false
  mandatory: false, // Optional - default is false
  placeholder: false, // Optional - default is false
  class: '', // Optional - default is not set
  style: '', // Optional - default is not set
  data: {} // Optional - If you have data attributes
}

Settings

Settings are optional fields that customize how SlimSelect operates. All values shown are defaults.

Full Settings Documentation

new SlimSelect({
  select: '#selectElement',

  settings: {
    disabled: false, // Disable the select
    alwaysOpen: false, // Keep dropdown always open
    showSearch: true, // Show search input
    focusSearch: true, // Auto focus search on open
    keepSearch: false, // Keep search input value when dropdown closes
    ariaLabel: 'Combobox', // ARIA label for accessibility
    searchPlaceholder: 'Search', // Search input placeholder
    searchText: 'No Results', // Text when no results found
    searchingText: 'Searching...', // Text while searching
    searchHighlight: false, // Highlight search terms
    closeOnSelect: true, // Close dropdown after selection
    contentLocation: document.body, // Where to append dropdown
    contentPosition: 'absolute', // CSS position: absolute, relative, fixed
    openPosition: 'auto', // Open direction: auto, up, down
    placeholderText: 'Select Value', // Placeholder text
    allowDeselect: false, // Allow deselecting in single select
    hideSelected: false, // Hide selected options in dropdown
    keepOrder: false, // Keep user click order (not DOM order) for getSelected
    showOptionTooltips: false, // Show tooltips on options
    minSelected: 0, // Minimum selections (multi-select)
    maxSelected: 1000, // Maximum selections (multi-select)
    timeoutDelay: 200, // Delay for callbacks (ms)
    maxValuesShown: 20, // Max values shown before message
    maxValuesMessage: '{number} selected', // Message when max values exceeded
    addableText: 'Press "Enter" to add {value}' // Text for addable option
  }
})

Events

Events are function callbacks for when certain actions happen

Full Events Documentation

new SlimSelect({
  select: '#selectElement',

  events: {
    // Custom search function - return Promise or data array
    search: (searchValue: string, currentData: (Option | Optgroup)[]) => Promise<(Partial<Option> | Partial<Optgroup>)[]> | (Partial<Option> | Partial<Optgroup>)[],

    // Filter function for search - return true to show option
    searchFilter: (option: Option, search: string) => boolean,

    // Allow user to add options - return new option or error
    addable: (value: string) => Promise<Partial<Option> | string> | Partial<Option> | string | Error,

    // Before selection changes - return false to prevent change
    beforeChange: (newVal: Option[], oldVal: Option[]) => boolean | void,

    // After selection changes
    afterChange: (newVal: Option[]) => void,

    // Before dropdown opens
    beforeOpen: () => void,

    // After dropdown opens
    afterOpen: () => void,

    // Before dropdown closes
    beforeClose: () => void,

    // After dropdown closes
    afterClose: () => void,

    // Error handler
    error: (err: Error) => void
  }
})

Methods

SlimSelect provides methods to programmatically control the select

Full Methods Documentation

const slim = new SlimSelect({ select: '#selectElement' })

slim.enable() // Enable the select
slim.disable() // Disable the select
slim.getData() // Get current data array
slim.setData(data) // Set new data array
slim.getSelected() // Get selected values as string[]
slim.setSelected(['value1', 'value2']) // Set selected by values
slim.addOption(option) // Add a single option
slim.open() // Open the dropdown
slim.close() // Close the dropdown
slim.search('searchValue') // Programmatically search
slim.destroy() // Destroy the instance

Vue

SlimSelect has official Vue 3 component support with full reactivity.

For more Vue examples and advanced usage, see the Vue documentation.

Installation

npm install slim-select

Usage

<script lang="ts">
import SlimSelect from 'slim-select/vue'
import 'slim-select/styles'

export default {
  components: { SlimSelect },
  data() {
    return {
      selected: 'value2',
      options: [
        { text: 'Value 1', value: 'value1' },
        { text: 'Value 2', value: 'value2' },
        { text: 'Value 3', value: 'value3' }
      ]
    }
  }
}
</script>

<template>
  <SlimSelect v-model="selected" :data="options" />
</template>

React

SlimSelect has official React component support with hooks.

For more React examples and advanced usage, see the documentation.

Installation

npm install slim-select

Usage

import { useState } from 'react'
import SlimSelect from 'slim-select/react'
import 'slim-select/styles'

function MyComponent() {
  const [selected, setSelected] = useState('value2')
  const options = [
    { text: 'Value 1', value: 'value1' },
    { text: 'Value 2', value: 'value2' },
    { text: 'Value 3', value: 'value3' }
  ]

  return <SlimSelect data={options} value={selected} onChange={setSelected} />
}

Advanced Usage with Ref

import { useRef } from 'react'
import SlimSelect, { SlimSelectRef } from 'slim-select/react'
import 'slim-select/styles'

function MyComponent() {
  const slimRef = useRef<SlimSelectRef>(null)

  const handleClick = () => {
    // Access SlimSelect methods via ref
    slimRef.current?.slimSelect?.open()
  }

  return (
    <>
      <SlimSelect ref={slimRef} data={options} />
      <button onClick={handleClick}>Open Dropdown</button>
    </>
  )
}