gitlab-org--gitlab-foss/app/assets/javascripts/flash.js
2018-01-19 09:38:34 +00:00

103 lines
3 KiB
JavaScript

import _ from 'underscore';
const hideFlash = (flashEl, fadeTransition = true) => {
if (fadeTransition) {
Object.assign(flashEl.style, {
transition: 'opacity .3s',
opacity: '0',
});
}
flashEl.addEventListener('transitionend', () => {
flashEl.remove();
if (document.body.classList.contains('flash-shown')) document.body.classList.remove('flash-shown');
}, {
once: true,
passive: true,
});
if (!fadeTransition) flashEl.dispatchEvent(new Event('transitionend'));
};
const createAction = config => `
<a
href="${config.href || '#'}"
class="flash-action"
${config.href ? '' : 'role="button"'}
>
${_.escape(config.title)}
</a>
`;
const createFlashEl = (message, type, isInContentWrapper = false) => `
<div
class="flash-${type}"
>
<div
class="flash-text ${isInContentWrapper ? 'container-fluid container-limited' : ''}"
>
${_.escape(message)}
</div>
</div>
`;
const removeFlashClickListener = (flashEl, fadeTransition) => {
flashEl.addEventListener('click', () => hideFlash(flashEl, fadeTransition));
};
/*
* Flash banner supports different types of Flash configurations
* along with ability to provide actionConfig which can be used to show
* additional action or link on banner next to message
*
* @param {String} message Flash message text
* @param {String} type Type of Flash, it can be `notice` or `alert` (default)
* @param {Object} parent Reference to parent element under which Flash needs to appear
* @param {Object} actonConfig Map of config to show action on banner
* @param {String} href URL to which action config should point to (default: '#')
* @param {String} title Title of action
* @param {Function} clickHandler Method to call when action is clicked on
* @param {Boolean} fadeTransition Boolean to determine whether to fade the alert out
*/
const createFlash = function createFlash(
message,
type = 'alert',
parent = document,
actionConfig = null,
fadeTransition = true,
addBodyClass = false,
) {
const flashContainer = parent.querySelector('.flash-container');
if (!flashContainer) return null;
const isInContentWrapper = flashContainer.parentNode.classList.contains('content-wrapper');
flashContainer.innerHTML = createFlashEl(message, type, isInContentWrapper);
const flashEl = flashContainer.querySelector(`.flash-${type}`);
removeFlashClickListener(flashEl, fadeTransition);
if (actionConfig) {
flashEl.innerHTML += createAction(actionConfig);
if (actionConfig.clickHandler) {
flashEl.querySelector('.flash-action').addEventListener('click', e => actionConfig.clickHandler(e));
}
}
flashContainer.style.display = 'block';
if (addBodyClass) document.body.classList.add('flash-shown');
return flashContainer;
};
export {
createFlash as default,
createFlashEl,
createAction,
hideFlash,
removeFlashClickListener,
};
window.Flash = createFlash;