Feature/60 eslint #68

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bermudalamb merged 3 commits from feature/60-eslint into main 2026-08-19 14:42:20 -05:00
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bermudalamb added 3 commits 2026-08-19 14:41:29 -05:00
Records the measurement the design rests on — 435 violations from a full-strength config, of which 325 are the no-unsafe-* family — and the decision not to enable recommendedTypeChecked, since those 325 all trace to untyped pool.query rows and fetch responses, which is the whole of #65. Also records two of the issue's premises that measurement contradicts: exhaustive-deps flags 2 rather than the 10 the issue inferred from empty dependency arrays, and the backend is already clean on the defect rules because #59 wrapped every async route.

Refs #60
Hard-wrapped at 100 columns, which assumes a viewer width neither Gitea's web UI nor the VS Code markdown preview has, so the wrap points landed mid-sentence for the person reading it. Paragraphs and list items are now one line each; tables, code fences and the header block keep their own breaks because those are structure rather than wrapped prose.

Refs #60
feat(ci): add ESLint to both workspaces with a defect-only CI gate (#60)
SonarQube Analysis / sonarqube (pull_request) Successful in 3m24s
Tests / lint (pull_request) Successful in 1m54s
Tests / backend-unit (pull_request) Successful in 43s
Tests / frontend-e2e (pull_request) Failing after 8m27s
c058b3ed2e
TypeScript's strict mode checks types and nothing else, so nothing enforced the React hook rules, the SonarJS rules, or unhandled-promise detection. Adds a flat config per workspace, a lint script in each, and a lint job in tests.yml.

The rule selection is the substance of this change and is measured rather than guessed. A full-strength config reports 435 violations across 50 files, but 325 of those are the no-unsafe-* family from recommendedTypeChecked, every one downstream of pool.query() returning any rows and untyped fetch responses. Typing those boundaries is the whole of #65, so enabling the rules here would ship a linter whose output is three-quarters another issue's backlog — the reliable way to teach everyone to ignore lint output. This enables recommended plus the two type-aware rules that catch defects rather than describe type debt, which leaves 110 findings.

Both configs downgrade every preset to a warning and then list the error rules explicitly at the bottom, so the CI gate is readable in one place instead of inferred from four presets' defaults. Errors are no-floating-promises, no-misused-promises, rules-of-hooks, exhaustive-deps and jsx-a11y/alt-text; everything else warns. No --max-warnings flag is needed because ESLint already exits non-zero on errors and zero on warnings. no-misused-promises runs with checksVoidReturn.attributes false, since onClick={async () => ...} is idiomatic React and safe when the handler catches its own errors — at the default it flags every antd button in the admin screens, 25 of its 28 hits, and a rule that is 89% noise gets switched off within a week.

The 37 errors this surfaced were mostly not the mechanical fix they looked like. The plan assumed the 30 floating promises were fire-and-forget loaders that already handled their own failures, which was true of the one sampled when writing the design and false for most of the rest: Admin, Categories, Customers, Tags, Settings, Account and CustomerAuthContext all had no rejection handling at all, so `void` on them would have hidden real failures rather than annotated deliberate ones. Each of those loaders now catches and surfaces the failure before the call site voids it. The CustomerAuthContext one was a live bug — a rejected fetchMe left loading true forever, rendering as a permanent spinner instead of a signed-out page.

Admin's load became a useCallback so its effect can name it honestly rather than suppress the dependency, Categories' drop handler was split so the function antd receives returns void as its type says, and Cart's effect now names refreshCartContext, which is a useCallback with an empty dependency list and so cannot re-run it. The only disable added is in asyncRoute, where returning a promise where Express expects void is the entire point of the wrapper and the promise cannot reject.

Two of the issue's premises did not survive measurement, both recorded in the spec: exhaustive-deps flags 2 cases rather than the 10 inferred from empty dependency arrays, and the backend was already clean on the defect rules because #59 wrapped every async route.

Verified: lint, build, 78 unit, 134 integration and 83 e2e all pass in both workspaces, and the CI gate was confirmed to fail by introducing a deliberate violation rather than by assuming the job is wired correctly.

Closes #60
bermudalamb marked the pull request as work in progress 2026-08-19 14:41:31 -05:00
bermudalamb marked the pull request as ready for review 2026-08-19 14:42:08 -05:00
bermudalamb merged commit 29e97f60d3 into main 2026-08-19 14:42:20 -05:00
bermudalamb deleted branch feature/60-eslint 2026-08-19 14:42:21 -05:00
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Reference: bermudalamb/redefined-designs#68