@wordpress/blocks
Version:
Block API for WordPress.
60 lines (58 loc) • 2.05 kB
JavaScript
/**
* WordPress dependencies
*/
import { isEmpty, isPhrasingContent } from '@wordpress/dom';
export default function normaliseBlocks(HTML, options = {}) {
const decuDoc = document.implementation.createHTMLDocument('');
const accuDoc = document.implementation.createHTMLDocument('');
const decu = decuDoc.body;
const accu = accuDoc.body;
decu.innerHTML = HTML;
while (decu.firstChild) {
const node = decu.firstChild;
// Text nodes: wrap in a paragraph, or append to previous.
if (node.nodeType === node.TEXT_NODE) {
if (isEmpty(node)) {
decu.removeChild(node);
} else {
if (!accu.lastChild || accu.lastChild.nodeName !== 'P') {
accu.appendChild(accuDoc.createElement('P'));
}
accu.lastChild.appendChild(node);
}
// Element nodes.
} else if (node.nodeType === node.ELEMENT_NODE) {
// BR nodes: create a new paragraph on double, or append to previous.
if (node.nodeName === 'BR') {
if (node.nextSibling && node.nextSibling.nodeName === 'BR') {
accu.appendChild(accuDoc.createElement('P'));
decu.removeChild(node.nextSibling);
}
// Don't append to an empty paragraph.
if (accu.lastChild && accu.lastChild.nodeName === 'P' && accu.lastChild.hasChildNodes()) {
accu.lastChild.appendChild(node);
} else {
decu.removeChild(node);
}
} else if (node.nodeName === 'P') {
// Only append non-empty paragraph nodes.
if (isEmpty(node) && !options.raw) {
decu.removeChild(node);
} else {
accu.appendChild(node);
}
} else if (isPhrasingContent(node)) {
if (!accu.lastChild || accu.lastChild.nodeName !== 'P') {
accu.appendChild(accuDoc.createElement('P'));
}
accu.lastChild.appendChild(node);
} else {
accu.appendChild(node);
}
} else {
decu.removeChild(node);
}
}
return accu.innerHTML;
}
//# sourceMappingURL=normalise-blocks.js.map