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    vue-treeselectjs

Treeselect Vue Component


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increased by85.47%
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Readme

Source

Treeselect JS Vue component

It is a wrapper for https://www.npmjs.com/package/treeselectjs

A multi-select js component with nested options.

  • Full key support (ArrowUp, ArrowDown, Space, ArrowLeft, ArrowRight, Enter)
  • Screen sensitive direction
  • Typescript support

Build data:

  • vue-treeselectjs.mjs 5.89 kB │ gzip: 1.77 kB
  • vue-treeselectjs.umd.js 4.05 kB │ gzip: 1.49 kB
  • vue-treeselectjs.css 6.99 kB │ gzip: 1.39 kB

Live Demo: https://dipson88.github.io/treeselectjs/

Example img

Getting Started

npm install --save vue-treeselectjs

Import vue-treeselectjs (ES)

import Treeselect from 'vue-treeselectjs'
import 'vue-treeselectjs/dist/vue-treeselectjs.css'

Import treeselectjs (UMD)

<script src="https://cdn.jsdelivr.net/npm/vue-treeselectjs@0.6.0/dist/vue-treeselectjs.umd.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/vue-treeselectjs@0.6.0/dist/vue-treeselectjs.css" />

All Available Imports

import Treeselect, { DirectionType, IconsType, OptionType, TreeselectValue } from 'vue-treeselectjs'

Example

<template>
  <div class="App">
    <!-- Option 1 -->
    <Treeselect
      :model-value="modelValue"
      :options="options"
      @update:modelValue="onInput"
    >
      <div>Slot Content</div>
    </Treeselect>

    <!-- Option 2 -->
    <Treeselect
      v-model="modelValue"
      :options="options"
    >
      <div>Slot Content</div>
    </Treeselect>

    <!-- Option 3 -->
    <Treeselect
      :model-value="modelValue"
      :options="options"
      @input="onInput"
    >
      <div>Slot Content</div>
    </Treeselect>
  </div>
</template>

<script lang="ts">
import { defineComponent, ref } from 'vue'
import Treeselect, { TreeselectValue } from 'vue-treeselectjs'
import 'vue-treeselectjs/dist/vue-treeselectjs.css'

export default defineComponent({
  name: 'App',
  components: {
    Treeselect
  },
  setup() {
    const options = ref([
      {
        name: 'England',
        value: 1,
        children: [
          {
            name: 'London',
            value: 2,
            children: [
              {
                name: 'Chelsea',
                value: 3,
                children: []
              },
              {
                name: 'West End',
                value: 4,
                children: []
              }
            ]
          },
          {
            name: 'Brighton',
            value: 5,
            children: []
          }
        ]
      },
      {
        name: 'France',
        value: 6,
        children: [
          {
            name: 'Paris',
            value: 7,
            children: []
          },
          {
            name: 'Lyon',
            value: 8,
            children: []
          }
        ]
      }
    ])

    const value = ref<TreeselectValue>([3])

    // Also for value type, you can use value: string | number | (string | number)[] | null
    const onInput = (value: TreeselectValue) => {
      console.log('onInput', value)
    }

    return {
      onInput,
      options,
      value
    }
  }
})
</script>

Props

Core props
NameType (default)Description
model-valueArray[String | Number] ([])An array of value from options prop. This value will be selected on load of the treeselect. The value changes if you check/uncheck checkboxes or remove tags from the input.
optionsArray[Object] ([])It is an array of objects {name: String, value: String, disabled?: Boolean, htmlAttr?: object, children: [] }, where children are the same array of objects. Do not use duplicated value field. But you can use duplicated names. Read more.
disabledBoolean (false)List will be disabled.
idString ('')id attribute for the accessibility.
ariaLabelString ('')aria-label attribute for the accessibility.
isSingleSelectBoolean (false)Converts multi-select to the single value select. Checkboxes will be removed. You should pass only one id instead of array of values. Also you can set showTags to false. It helps to show treeselect as a dropdown.
isGroupedValueBoolean (false)Return groups if they selected instead of separate ids. Treeselect returns only leaves ids by default.
isIndependentNodesBoolean (false)All nodes in treeselect work as an independent entity. Check/uncheck action ignore children/parent updates workflow. Disabled nodes ignore children/parent workflow as well.
rtlBoolean (false)RTL mode.
List settings props
NameType (default)Description
disabledBranchNodeBoolean (false)It is impossible to select groups. You can select only leaves.
openLevelNumber (0)All groups will be opened to this level.
appendToBodyBoolean (false)List will be appended to the body instead of the input container.
alwaysOpenBoolean (false)List will be always opened. You can use it for comfortable style changing. If you what to use it as an opened list, turn staticList to true.
staticListBoolean (false)Add the list as a static DOM element. List doesn't overlap content. This prop will be ignored if you use appendToBody.
emptyTextString ('No results found...')A empty list text.
directionString (auto)A force direction for the list. Supported values: auto, top, bottom.
expandSelectedBoolean (false)All groups which have checked values will be expanded on the init.
saveScrollPositionBoolean (true)The list saves the last scroll position before close. If you open the list your scroll will be on the previous position. If you set the value to false - the scroll will have position 0 and the first item will be focused every time.
listClassNameString ('')A class name for list. Useful to change styles for appendToBody mode.
Input settings props
NameType (default)Description
showTagsBoolean (true)Selected values look like tags. The false value shows results as '{count} elements selected'. You can change text if you use tagsCountText prop. For one selected element, you will see a name of this element.
tagsCountTextString ('elements selected')This text will be shown if you use 'showTags'. This text will be inserted after the count of the selected elements - '{count} {tagsCountText}'.
showCountBoolean (false)Shows count of children near the group's name.
clearableBoolean (true)Clear icon is available.
searchableBoolean (true)Search is available.
placeholderString ('Search...')Placeholder text.
groupedBoolean (true)Show groups in the input and group leafs if all group selected.
Emits
NameType (default)Description
input(value) => void (undefined)Returns selected values, action is triggered on change the list value.
open(value) => void (undefined)Returns selected values, action is triggered on opening the list.
close(value) => void (undefined)Returns selected values, action is triggered on closing the list.
name-change(name) => void (undefined)Returns selected name inside the input, action is triggered on on change the list.
search(value) => void (undefined)Returns entered search value, action is triggered on change search value during the typing. You can try create something like autocomplete with help of this emit.
open-close-group({ groupId, isClosed }: { groupId: ValueOptionType, isClosed: boolean }) => void (undefined)Returns groupId and closed/open status of this group, action is triggered on open/close group in the list.
Additional props
NameType (default)Description
iconElementsObject({ arrowUp, ... })Object contains all svg icons. You can use HTMLElement or a String to reset values from the default Object. Object: iconElements: { arrowUp, arrowDown, arrowRight, attention, clear, cross, check, partialCheck }. After reset of icon you have to update styles if it is necessary, use alwaysOpen prop for more comfortable work with styles changes.

Slots
NameType (default)Description
defaultundefinedThe slot's content will be mounted at the end of the list.

Option description

Is is description of the one option of the options prop:

NameTypeDescription
valueString | Number (required!)It is a value of the node. It should be unique!
nameString (required!)It is the name of the node. Can be duplicated.
disabledBoolean (optional)The node will be disabled. It is an optional field, you can skip it if no need to work with disabled values.
htmlAttrObject (optional)The object of the HTML attributes, the value of the object should be a String type. These attributes will be merged into the node HTML tag.
children{name: String, value: String, disabled?: Boolean, htmlAttr?: object, children: [] }[]Children are the same array of objects.

Notes

  1. If you want to change the padding of the element you can use CSS selector. I've added 'group' and 'level' attributes, but you have to use !important.
  2. Do not use duplicated values for the options. You will see a error with duplicated values. But you can use duplicated names.
  3. Value prop inside the options prop should be a String or Number.
  4. If you use isSingleSelect prop, you should pass only a single value without an array.
  5. If you use isSingleSelect prop, you can set showTags to false. It helps to show treeselect as a dropdown. Also you can disable selecting of group's nodes with help of disabledBranchNode.

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Last updated on 17 Jun 2024

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