chore: Refactor {launch} from @packages/launcher
#32687
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cacieprins
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cacieprins
commented
Oct 9, 2025
| debug('launching browser %o', { browser, url }) | ||
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| // We shouldn't need to check this, because FoundBrowser.path is | ||
| // not optional. |
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Lots of places explicitly coerce unknown POJOs to FoundBrowser, though, so it's important to keep it
cacieprins
commented
Oct 9, 2025
| import { removeDuplicateBrowsers } from '@packages/data-context/src/sources/BrowserDataSource' | ||
| import { knownBrowsers } from './known-browsers' | ||
| import * as darwinHelper from './darwin' | ||
| import * as darwinHelper from './darwinHelpers' |
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These were renamed because intellisense was complaining that
/lib/darwin/index.ts was too similar to /lib/platforms/Darwin.ts 🤷
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chore/launcher-launch-refactor
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| Run duration | 43m 32s |
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| Committer | Cacie Prins |
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Warning
Partial Report: The results for the Application Quality reports may be incomplete.
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cypress/e2e/studio/studio.cy.ts • 1 failed test • app-e2e
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| Cypress Studio > updates an existing test with assertions |
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issues/28527.cy.ts • 1 flaky test • 5x-driver-chrome
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| issue 28527 > fails and then retries and verifies about:blank is not displayed |
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commands/waiting.cy.js • 2 flaky tests • 5x-driver-chrome:beta
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| ... > errors > throws when route is never resolved |
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| ... > errors > throws when waiting for 2nd response to route |
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e2e/origin/config_env.cy.ts • 1 flaky test • 5x-driver-chrome:beta
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| cy.origin- Cypress.config() > serializable > overwrites different values in secondary if one exists in the primary |
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issues/28527.cy.ts • 1 flaky test • 5x-driver-chrome:beta
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| issue 28527 > fails and then retries and verifies about:blank is not displayed |
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issues/28527.cy.ts • 1 flaky test • 5x-driver-electron
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| issue 28527 > fails and then retries and verifies about:blank is not displayed |
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The first 5 flaky specs are shown, see all 8 specs in Cypress Cloud.
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Additional details
Browser process spawning was a little unwieldy. This applies the stranger fig pattern by:
packages/launcher/lib/launch.ts(renamed frombrowsers.tsto match its export) that focus on its side effects rather than implementationSeveral of the platform classes are empty as placeholders for browser detection logic, and should be expanded as strangler fig is applied to
detectanddetectByPath. Once the public interface here is strangled, we should consider whether the public interface for@packages/launcherstill fits its requirements, or if there are better patterns to expose.Steps to test
How has the user experience changed?
PR Tasks
cypress-documentation?type definitions?