BookStack/resources/js/components/ajax-form.js

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import {onEnterPress, onSelect} from "../services/dom";
/**
* Ajax Form
* Will handle button clicks or input enter press events and submit
* the data over ajax. Will always expect a partial HTML view to be returned.
* Fires an 'ajax-form-success' event when submitted successfully.
*
* Will handle a real form if that's what the component is added to
* otherwise will act as a fake form element.
*
* @extends {Component}
*/
class AjaxForm {
setup() {
this.container = this.$el;
this.responseContainer = this.container;
this.url = this.$opts.url;
this.method = this.$opts.method || 'post';
this.successMessage = this.$opts.successMessage;
this.submitButtons = this.$manyRefs.submit || [];
if (this.$opts.responseContainer) {
this.responseContainer = this.container.closest(this.$opts.responseContainer);
}
this.setupListeners();
}
setupListeners() {
if (this.container.tagName === 'FORM') {
this.container.addEventListener('submit', this.submitRealForm.bind(this));
return;
}
onEnterPress(this.container, event => {
this.submitFakeForm();
event.preventDefault();
});
this.submitButtons.forEach(button => onSelect(button, this.submitFakeForm.bind(this)));
}
submitFakeForm() {
const fd = new FormData();
const inputs = this.container.querySelectorAll(`[name]`);
for (const input of inputs) {
fd.append(input.getAttribute('name'), input.value);
}
this.submit(fd);
}
submitRealForm(event) {
event.preventDefault();
const fd = new FormData(this.container);
this.submit(fd);
}
async submit(formData) {
this.responseContainer.style.opacity = '0.7';
this.responseContainer.style.pointerEvents = 'none';
try {
const resp = await window.$http[this.method.toLowerCase()](this.url, formData);
this.$emit('success', {formData});
this.responseContainer.innerHTML = resp.data;
if (this.successMessage) {
window.$events.emit('success', this.successMessage);
}
} catch (err) {
this.responseContainer.innerHTML = err.data;
}
window.components.init(this.responseContainer);
this.responseContainer.style.opacity = null;
this.responseContainer.style.pointerEvents = null;
}
}
export default AjaxForm;