Tiny File Manager

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import store from '@/Store'

export default function () {
    store.registerHook('interceptWireModelAttachListener', (directive, el, component) => {
        if (! (el.tagName.toLowerCase() === 'input' && el.type === 'file')) return

let start = () => el.dispatchEvent(new CustomEvent('livewire-upload-start', { bubbles: true }))
        let finish = () => el.dispatchEvent(new CustomEvent('livewire-upload-finish', { bubbles: true }))
        let error = () => el.dispatchEvent(new CustomEvent('livewire-upload-error', { bubbles: true }))
        let progress = (progressEvent) => {
            var percentCompleted = Math.round( (progressEvent.loaded * 100) / progressEvent.total )

el.dispatchEvent(
                new CustomEvent('livewire-upload-progress', {
                    bubbles: true, detail: { progress: percentCompleted }
                })
            )
        }

let eventHandler = e => {
            if (e.target.files.length === 0) return

start()

if (e.target.multiple) {
                component.uploadMultiple(directive.value, e.target.files, finish, error, progress)
            } else {
                component.upload(directive.value, e.target.files[0], finish, error, progress)
            }
        }

el.addEventListener('change', eventHandler)

// There's a bug in browsers where selecting a file, removing it,
        // then re-adding it doesn't fire the change event. This fixes it.
        // Reference: https://stackoverflow.com/questions/12030686/html-input-file-selection-event-not-firing-upon-selecting-the-same-file
        let clearFileInputValue = () => { el.value = null }
        el.addEventListener('click', clearFileInputValue)

component.addListenerForTeardown(() => {
            el.removeEventListener('change', eventHandler)
            el.removeEventListener('click', clearFileInputValue)
        })
    })
}