Vue File selector for Vuejs 3

File selector with validation that supports drag-n-drop for Vuejs.

Other open source projects

• ImageGlass - A lightweight, versatile image viewer: https://imageglass.org
• Fluent Reveal Effect Js (Fluent Design System): https://github.com/d2phap/fluent-reveal-effect
• FileWatcherEx - A wrapper of C# FileSystemWatcher for Windows: https://github.com/d2phap/FileWatcherEx

Install

Run the command

npm i vue-file-selector@latest

NPM package: https://www.npmjs.com/package/vue-file-selector

Github source: https://github.com/d2phap/vue-file-selector

Usage

Please see Demo project for full example.

Declare the plugin

// in main.ts

import { createApp } from 'vue';

// import FileSelector main css
import 'vue-file-selector/dist/main.css';

// import the FileSelector plugin
import FileSelector from 'vue-file-selector';


import App from './App.vue';

createApp(App)

  // then use it!
  .use(FileSelector)
  .mount('#app');

Use in Vue file

<template>
  <div>
    <FileSelector
      accept-extensions=".jpg,.svg"
      :multiple="true"
      :max-file-size="5 * 1024 * 1024"
      @validated="handleFilesValidated"
      @changed="handleFilesChanged">
      Select image files
    </FileSelector>
  </div>
</template>

<script lang="ts">
import { Options, Vue } from 'vue-class-component';
import { FsValidationResult } from 'vue-file-selector/dist';

@Options({})
export default class App extends Vue {
  handleFilesValidated(result: FsValidationResult, files: File[]) {
    console.log('Validation result: ' + result);
  },

  handleFilesChanged(files: File[]) {
    console.log('Selected files: ');
    console.table(files);
  },
}
</script>

Slots

Name	Default	Description
default	Select	Content of the Select button.
loader	Loading...	Content of loading state.
top	(empty)	Top section content, above the Select button.
bottom	(empty)	Bottom section content, below the Select button.

Props

Name	Type	Default	Description
multiple	boolean	false	Allow multiple files selected.
isLoading	boolean	false	Show or hide the loading section (slot: loader).
acceptExtensions	string	(empty)	List of file extensions accepted. Each extension separated by a comma (,). E.g. accept-extensions=".zip,.rar".
maxFileSize	number	NaN	Maximum size in byte of every single file allowed. E.g. :max-file-size="2*1024*1024" (only the files that ≤2 MB are allowed).
height	number	NaN	The height of droppable section.
validateFn	FsValidateFn	() => true	A custom validation function that returns boolean value.

Events

1. @validated

Occurs after the selected files validated.

Function(result: FsValidationResult, files: File[]): void

• result: validation result,
  • returns true if the file validation is valid, else
  • returns false or Error codes (string).
• files: list of files validated.

2. @changed

Occurs if the selected files pass validation.

Function(files: File[]): void

• files: list of files validated.

Error codes

List of error codes returned after validation, see FsValidationResult.

Code	Error description
EXTENSION_ERROR	The selected files contain invalid extensions.
FILE_SIZE_ERROR	The selected files size exceeded limit.
MULTIFILES_ERROR	Multiple files selection is not allowed.

License