vue-bootstrap-typeahead

A simple list-group based typeahead/autocomplete using Bootstrap 4 and Vue 2

View The Examples

Installation

From NPM:

> npm i vue-bootstrap-typeahead --save

Minified UMD and CommonJS builds are available in the 'dist' folder. The component is also available for use in the browser directly on unpkg:

<link href="https://unpkg.com/vue-bootstrap-typeahead/dist/VueBootstrapTypeahead.css" rel="stylesheet">
<script src="https://unpkg.com/vue-bootstrap-typeahead"></script>

Usage

Import and register the component

import VueBootstrapTypeahead from 'vue-bootstrap-typeahead'

// Global registration
Vue.component('vue-bootstrap-typeahead', VueBootstrapTypeahead)

// OR

// Local registration
export default {
    components: {
        VueBootstrapTypeahead
    }
}

Basic Usage

The only required attribute is a data array.

<vue-bootstrap-typeahead 
  v-model="query"
  :data="['Canada', 'USA', 'Mexico']"
/>

Working with API's

The typeahead does not fetch any data, for maximum flexibility it will only work with already loaded API responses in the form of arrays. The serializer attribute allows you to define a function to turn each array item in the response into a text string, which will appear in the results.

<template>
  <vue-bootstrap-typeahead
    :data="addresses"
    v-model="addressSearch"
    size="lg"
    :serializer="s => s.text"
    placeholder="Type an address..."
    @hit="selectedAddress = $event"
  >
</template>

<script>
import _ from 'underscore'

const API_URL = 'https://api-url-here.com?query=:query'

export default {
  name: 'TestComponent',

  data() {
    return {
      addresses: [],
      addressSearch: '',
      selectedAddress: null
    }
  },

  methods: {
    async getAddresses(query) {
      const res = await fetch(API_URL.replace(':query', query))
      const suggestions = await res.json()
      this.addresses = suggestions.suggestions
    }
  },

  watch: {
    addressSearch: _.debounce(function(addr) { this.getAddresses(addr) }, 500)
  }
}
</script>

Attributes

Name	Type	Default	Description
data	`Array`		Array of data to be available for querying. Required
serializer	`Function`	`input => input`	Function used to convert the entries in the `data` array into a text string.
size	`String`		Size of the `input-group`. Valid values: `sm` or `lg`
backgroundVariant	`String`		Background color for the autocomplete result `list-group` items. See valid values
textVariant	`String`		Text color for the autocomplete result `list-group` items. See valid values
inputClass	`String`		Class to the added to the `input` tag for validation, etc.
maxMatches	`Number`	10	Maximum amount of list items to appear.
minMatchingChars	`Number`	2	Minimum matching characters in query before the typeahead list appears
prepend	`String`		Text to be prepended to the `input-group`
append	`String`		Text to be appended to the `input-group`

Events

Name	Description
`hit`	Triggered when an autocomplete item is selected. The entry in the input `data` array that was selected is returned.
`input`	The component can be used with `v-model`

Slots

There are prepend and append slots available for adding buttons or other markup. Overrides the prepend and append attributes.

Scoped Slots

You can use a scoped slot called suggestion to define custom content for the suggestion list-item's

<vue-bootstrap-typeahead
  :data="countries"
  v-model="cntrySearch"
  :serializer="s => s.name"
  placeholder="Canada, United States, etc..."
  @hit="selectedCountry = $event"
>
  <!-- htmlText is bound to the matched text derived from the serializer function -->
  <!-- data is bound to the matching array element in the data prop -->
  <template slot="suggestion" slot-scope="{ data, htmlText }">
    <span v-html="htmlText"></span>&nbsp;<small>{{ data.code }}</small>
  </template>
</vue-bootstrap-typeahead>

Local Examples/Demo

Clone this repository and run npm run serve and navigate to http://localhost:8080 to launch the documentation. The source is in src/views/Home.vue

You can also view and edit examples hosted on CodePen here

Contributing

Please note that active development is done on the Development branch. PR's are welcome!

Contributing

Please note that active development is done on the Development branch. PR's are welcome!

Sites using this component

plottr.io - Plan and map your running/cycling routes. This component is an offshoot from this project.

Send a pull request to add your site to this list!

License

markspare/vue-bootstrap-typeahead

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