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import { wrapNodes, isTextNode } from './dom_utils';
export const cachedData = new Map();
export const getCurrentHoverElement = () => cachedData.get('current');
export const setCurrentHoverElement = (el) => cachedData.set('current', el);
export const addInteractionClass = ({ path, d, wrapTextNodes }) => {
const lineNumber = d.start_line + 1;
const lines = document
.querySelector(`[data-path="${path}"]`)
.querySelectorAll(`.blob-content #LC${lineNumber}, .line_content:not(.old) #LC${lineNumber}`);
if (!lines?.length) return;
lines.forEach((line) => {
let charCount = 0;
if (wrapTextNodes) {
line.childNodes.forEach((elm) => {
if (isTextNode(elm)) {
// Highlight.js does not wrap all text nodes by default
// We need all text nodes to be wrapped in order to append code nav attributes
elm.replaceWith(...wrapNodes(elm.textContent));
}
});
}
const el = [...line.childNodes].find(({ textContent }) => {
if (charCount === d.start_char) return true;
charCount += textContent.length;
return false;
});
if (el && !isTextNode(el)) {
el.setAttribute('data-char-index', d.start_char);
el.setAttribute('data-line-index', d.start_line);
el.classList.add('cursor-pointer', 'code-navigation', 'js-code-navigation');
el.closest('.line').classList.add('code-navigation-line');
}
});
};
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