Function checkMeta

test/lib/next-test-utils.ts:1763–1789

(
  browser: Playwright,
  queryValue: string,
  expected: RegExp | string | string[] | undefined | null,
  queryKey: string = 'property',
  tag: string = 'meta',
  domAttributeField: string = 'content'
)

  browser.elementByCss('title', { state: 'attached' }).text()

async function checkMeta(
  browser: Playwright,
  queryValue: string,
  expected: RegExp | string | string[] | undefined | null,
  queryKey: string = 'property',
  tag: string = 'meta',
  domAttributeField: string = 'content'
) {
  const values = await browser.eval<(string | null)[]>(
    `[...document.querySelectorAll('${tag}[${queryKey}="${queryValue}"]')].map((el) => el.getAttribute("${domAttributeField}"))`
  )
  if (expected instanceof RegExp) {
    expect(values[0]).toMatch(expected)
  } else {
    if (Array.isArray(expected)) {
      expect(values).toEqual(expected)
    } else {
      // If expected is undefined, then it should not exist.
      // Otherwise, it should exist in the matched values.
      if (expected === undefined) {
        expect(values).not.toContain(undefined)
      } else {
        expect(values).toContain(expected)
      }
    }
  }
}

export function createDomMatcher(browser: Playwright) {
  /**