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Generic checklist for reviewing DevTools CLs (your own before upload, or someone else's on Gerrit). Covers test correctness (tautological/vacuous tests, cleanup, leaks), code clarity, CL hygiene, and points to the specialized skills to consult for imports,…
MANDATORY: Activate this skill ANY TIME you need to build the project, run tests, or verify code health in DevTools. You MUST use this skill before executing commands like npm test, npm run build, autoninja, or linters, as it contains critical,…
Use this skill to reproduce and fix flaky and disabled tests.
Use when starting a new task, creating a branch, switching branches, managing branches, creating and uploading CLs, handling stacked changes, or checking release and roll status in the DevTools Gerrit-based workflow. ALWAYS use this instead of running…
Guidelines for creating, migrating, and registering models in front_end/models/. Covers BUILD.gn, devtools_grd_files.gni, and entrypoints.
Migrating unit tests to foundation unit tests using TestUniverse and devtools_foundation_module. Use when moving tests away from DOM-heavy helpers like describeWithEnvironment or describeWithMockConnection.
Workflow for merging a DevTools submodule into its parent module. Covers BUILD.gn consolidation and updating devtools_grd_files.gni.
Refactor user-facing UIStrings and localization comments in a DevTools module folder according to UX writing guidelines (child task of b/40799900). Use when simplifying wording, checking sentence case, or improving L10n comments in UIStrings for a specific…
Workflow for splitting an existing SettingRegistration into a SettingDescriptor (placed in the lowest layer where used: core/, models/, or ui/settings/) and SettingUIDescriptor (registered in a higher-level -meta.ts file, outside of core/ and models/).
Promotes legacy views to modern UI.Widget classes, hooks up performUpdate() rendering, and exports default views.
Guidelines for building UI widgets using the MVP architecture in DevTools. Covers Widget lifecycle, lit-html views, and state management.
Guidance on selecting the appropriate test suite (Unit, API, or E2E tests) when writing new tests in Chrome DevTools. MUST be used when writing new tests.
Use when migrating Chromium layout tests to DevTools unit tests or API tests.
Migrates legacy imperative DOM construction to local declarative Lit-html templates rendered inside existing containers.
Consolidates manual DOM creation, updates, and constructors into private helper methods and structured state interfaces.
High-level orchestrator for managing multi-pass migration of Chrome DevTools legacy components to the modern UI engineering vision (UI.Widget & Lit-html).
Scaffolds unit tests and screenshot tests to establish visual and functional rendering baselines for views before refactoring.
Guidelines for escaping strings and handling user-controlled data in DevTools to prevent layout bleed-through, XSS, and security issues.
Guidelines for utilizing source maps and structured stack traces in DevTools. Covers DebuggerWorkspaceBinding, StackTrace, SymbolizedError, and related UI widgets.
Conventions for importing code in Devtools to avoid build errors. Covers cross-module imports, internal imports, and the "import * as" requirement.
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