24 lines
686 B
TypeScript
24 lines
686 B
TypeScript
import { TTOCItem } from "@/types/toc.type";
|
|
import { JSDOM } from "jsdom";
|
|
|
|
/**
|
|
* Generate the Table Of Content List by html code.
|
|
* It supports h1-h6 level headings at most.
|
|
* @param htmlCode
|
|
* @returns
|
|
*/
|
|
export const makeTOCTree = (htmlCode: string) => {
|
|
const doc_dom = new JSDOM(htmlCode);
|
|
const all_headers = doc_dom.window.document.querySelectorAll("h1,h2,h3,h4,h5,h6");
|
|
const result: TTOCItem[] = [];
|
|
for (let i = 0; i < all_headers.length; i++) {
|
|
const level = parseInt(all_headers[i].tagName.replace("H", ""));
|
|
result.push({
|
|
level: level,
|
|
anchorId: all_headers[i].id,
|
|
title: all_headers[i].textContent!,
|
|
});
|
|
}
|
|
return result;
|
|
};
|