Expose instant devtools for production builds under exposeInstantDevToolsInProductionBuild#91426
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devjiwonchoi wants to merge 1 commit into
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Expose instant devtools for production builds under exposeInstantDevToolsInProductionBuild#91426devjiwonchoi wants to merge 1 commit into
exposeInstantDevToolsInProductionBuild#91426devjiwonchoi wants to merge 1 commit into
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Auto-renders a floating navigation inspector widget in production when `exposeTestingApiInProductionBuild` is enabled. Uses the same cookie-based lock protocol as the dev overlay's InstantNavsPanel, rendered in Shadow DOM for style isolation. - Move shared cookie logic to `next-devtools/shared/instant-navs-cookie.ts` - Inject via `app-next.ts` and `app-next-turbopack.ts` (production only) - Add production e2e tests
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Notifying the following users due to files changed in this PR based on this repo's notify modifiers: @timneutkens, @ijjk, @shuding, @huozhi: |
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| process.env.NODE_ENV === 'production' && | ||
| process.env.__NEXT_EXPOSE_INSTANT_DEVTOOLS |
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This condition makes exposeInstantDevToolsInProductionBuild a no-op for production-style bundles built with NODE_ENV='development' (for example next build --debug-prerender, and other flows that set allowDevelopmentBuild). In those cases the app is not running next dev, but process.env.NODE_ENV === 'production' is false, so the widget never mounts even when the flag is explicitly enabled. Gating on process.env.__NEXT_DEV_SERVER (or removing the NODE_ENV check) would preserve the intended behavior across these build modes.
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This PR exposes the initial version of Instant DevTools for builds for testing purposes. It is not recommended to ship on the user-facing production builds.
CleanShot.2026-03-20.at.20.52.14.mp4