Fix install package name (#1377)

* Fix install package name

* Fix url

src/helpViewer/cran.ts

@@ -7,10 +7,11 @@ type ParseFunction = (html: string, baseUrl: string) => Package[];
 
 export async function getPackagesFromCran(cranUrl: string): Promise<Package[]> {
  const cranSites: {url: string, parseFunction: ParseFunction}[] = [
- {
- url: new URL('stats/descriptions', cranUrl).toString(),
- parseFunction: parseCranJson
- },
+ // NOTE: Not working any more
+ // {
+ // url: new URL('stats/descriptions', cranUrl).toString(),
+ // parseFunction: parseCranJson
+ // },
  {
  url: new URL('web/packages/available_packages_by_date.html', cranUrl).toString(),
  parseFunction: parseCranTable
@@ -83,35 +84,23 @@ function parseCranTable(html: string, baseUrl: string): Package[] {
  tables.each((tableIndex, table) => {
  const rows = $('tr', table);
  rows.each((rowIndex, row) => {
- const elements = $('td', row);
- if(elements.length === 3){
-
- const e0 = elements[0];
- const e1 = elements[1];
- const e2 = elements[2];
- if(
- e0.type === 'tag' && e1.type === 'tag' &&
- e0.firstChild?.type === 'text' && e1.children[1].type === 'tag' &&
- e2.type === 'tag'
- ){
- const href = e1.children[1].attribs['href'];
- const url = new URL(href, baseUrl).toString();
- ret.push({
- date: (e0.firstChild.data || '').trim(),
- name: (e1.children[1].firstChild?.data || '').trim(),
- href: url,
- description: (e2.firstChild?.data || '').trim(),
- isCran: true
- });
- }
- }
+ if (rowIndex === 0) return; // Skip the header row
+ const date = $(row).find('td:nth-child(1)').text().trim();
+ const href = $(row).find('td:nth-child(2) a').attr('href');
+ const url = href ? new URL(href, baseUrl).toString() : undefined;
+ const name = $(row).find('td:nth-child(2) span').text().trim();
+ const title = $(row).find('td:nth-child(3)').text().trim();
+ ret.push({
+ date: date,
+ name: name,
+ href: url,
+ description: title,
+ isCran: true
+ });
  });
  });
 
  const retSorted = ret.sort((a, b) => a.name.localeCompare(b.name));
 
  return retSorted;
 }
-
-
-