playwright.js

await page.goto('your url')

await page.locator('username').fill('username');
await page.locator('password').fill('123456');
await page.locator('text="Submit").click();

// use this to wait for something to show up that the page has completed loading
await page.locator('some locator').waitFor();

// From your example it is not clear what is the selector logic
// this one will selector all a tags that has attribute resource
// it will return the attribute name on the element
// Tweak the logic to your needs. 
const results = await page.$$eval(`a[resource]`, (div) => div.getAttribute('name') );

await fs.writeFileSync('filename', results)