BookStack/resources/js/components/dropzone.js

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JavaScript
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import DropZoneLib from "dropzone";
import {fadeOut} from "../services/animations";
/**
* Dropzone
* @extends {Component}
*/
class Dropzone {
setup() {
this.container = this.$el;
this.url = this.$opts.url;
this.successMessage = this.$opts.successMessage;
this.removeMessage = this.$opts.removeMessage;
this.uploadLimitMessage = this.$opts.uploadLimitMessage;
this.timeoutMessage = this.$opts.timeoutMessage;
const _this = this;
this.dz = new DropZoneLib(this.container, {
addRemoveLinks: true,
dictRemoveFile: this.removeMessage,
timeout: Number(window.uploadTimeout) || 60000,
maxFilesize: Number(window.uploadLimit) || 256,
url: this.url,
withCredentials: true,
init() {
this.dz = this;
this.dz.on('sending', _this.onSending.bind(_this));
this.dz.on('success', _this.onSuccess.bind(_this));
this.dz.on('error', _this.onError.bind(_this));
}
});
}
onSending(file, xhr, data) {
const token = window.document.querySelector('meta[name=token]').getAttribute('content');
data.append('_token', token);
xhr.ontimeout = (e) => {
this.dz.emit('complete', file);
this.dz.emit('error', file, this.timeoutMessage);
}
}
onSuccess(file, data) {
this.$emit('success', {file, data});
if (this.successMessage) {
window.$events.emit('success', this.successMessage);
}
fadeOut(file.previewElement, 800, () => {
this.dz.removeFile(file);
});
}
onError(file, errorMessage, xhr) {
this.$emit('error', {file, errorMessage, xhr});
const setMessage = (message) => {
const messsageEl = file.previewElement.querySelector('[data-dz-errormessage]');
messsageEl.textContent = message;
}
if (xhr && xhr.status === 413) {
setMessage(this.uploadLimitMessage);
} else if (errorMessage.file) {
setMessage(errorMessage.file);
}
}
removeAll() {
this.dz.removeAllFiles(true);
}
}
export default Dropzone;