Function onRequest

test/lib/e2e-utils/request-tracker.ts:70–116

(request: PlaywrightRequest)

    // Listen for requests that match the criteria.
    const onRequest = async (request: PlaywrightRequest) => {
      if (!(await isMatchingRequest(request))) {
        return
      }

      // If `capturedRequest` is already set, then we've got multiple requests that match the criteria.
      // This is currently not supported, though if needed, we could extend the API
      // to allow capturing multiple requests and returning them as an array.
      if (capturedRequest) {
        const criteriaDescription =
          typeof requestMatcher === 'function'
            ? 'the specified criteria'
            : inspect(requestMatcher)
        return responseCtrl.reject(
          new Error(
            [
              `Captured multiple requests that match ${criteriaDescription} during a \`captureResponse\` call:`,
              ...[capturedRequest, request].map(
                (req) => `  - ${req.method} ${req.url}`
              ),
              'This is currently not supported.',
            ].join('\n')
          )
        )
      }

      // We found a request that matches our criteria. Now we'll wait for a response.
      capturedRequest = request
      console.log(
        `[request-tracker] request: ${request.method()} ${request.url()}` +
          (['POST', 'PUT', 'PATCH'].includes(request.method())
            ? ` (content-type: ${request.headers()['content-type']})`
            : '')
      )
      const onResponse = (response: PlaywrightResponse) => {
        if (isSettled) {
          return
        }
        if (response.request() === request) {
          // We found a response to our request. We're done.
          console.log(`[request-tracker] response: ${response.status()}`)
          return responseCtrl.resolve(response)
        }
      }
      browser.on('response', onResponse)
      cleanups.push(() => browser.off('response', onResponse))
    }

    // Install the handler before running the action callback to avoid races.
    browser.on('request', onRequest)