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chore(frontend): resolve eslint errors + nuxi-generate build warnings#217

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chore/frontend-eslint-cleanup
Jun 27, 2026
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chore(frontend): resolve eslint errors + nuxi-generate build warnings#217
JonnyTran merged 6 commits into
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chore/frontend-eslint-cleanup

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@JonnyTran JonnyTran commented Jun 26, 2026 •
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Frontend cleanup on develop. Two related passes, both no-behavior-change.

1. ESLint errors (31 → 0)

Clears the inherited Argilla style debt tracked since the Vue 3 / Nuxt 4 migration (#216) — surfaces as failure-level annotations on the Build Extralit frontend package workflow even though the job exits green.

Rule Count Fix
no-empty 9 Explanatory comments on intentional best-effort catch blocks
@typescript-eslint/ban-ts-comment 3 @ts-ignore → @ts-expect-error w/ description
@typescript-eslint/ban-types 8 Function→() => unknown/() => void; Object→object; {}→Record<string, unknown>; interface Class extends Function→construct signature + name
@typescript-eslint/no-empty-function 5 /* no-op */; singleton/static-only ctors documented
no-constant-condition 2 while (true) → for (;;)
no-useless-escape 1 /[\{\}]/ → /[{}]/
@typescript-eslint/no-namespace 2 Config allowDeclarations: true — ambient declare namespace CSS global augmentations

2. nuxi generate build warnings

Production builds run cssnano (transitive via @nuxt/vite-builder), whose postcss-calc lexer can't parse relative-color channel arithmetic; Dart Sass also warns on two legacy idioms.

  • postcss-calc "Lexical error / Unrecognized text" (BaseButton danger hover): hsl(from var(--color-danger) h s calc(l - 4)) → color-mix(in srgb, var(--color-danger), black 6%). No calc(), so postcss-calc never touches it; keeps the var() reference. Also repaired a malformed line — hsl(var(--color-danger) calc(l - 4)) was missing from/h s (invalid color → the outline border-hover was dead).
  • Sass "declarations after nested rules" (8×: BaseSimpleTable, RecordFieldsHeader, BaseCollapsablePanel): hoisted own-element declarations above nested rules / emitting mixins. Output unchanged — the nested rules target other selectors.
  • Sass "/ for division is deprecated" (6×: Workspace/DatasetBreadcrumbDropdown): $base-space / 2 → $base-space * 0.5 (identical value, no sass:math import).
  • Remaining @vueuse/core Rollup annotation warnings are third-party (published dist), not actionable here.

Verification

  • npm run lint → 0 errors (was 31)
  • npx nuxi typecheck → 0 (confirms each @ts-expect-error still suppresses a real error)
  • npx nuxi generate → exit 0, all build warnings above gone
  • npm run test → 777 passed / 3 skipped / 1 todo (unchanged baseline)

🤖 Generated with Claude Code

@JonnyTran
chore(frontend): resolve 31 pre-existing eslint errors
499a9da 
Clears the inherited Argilla style debt tracked since the Vue 3 / Nuxt 4
migration (PR #216). All fixes are no-behavior-change:

- no-empty (9): explanatory comments on intentional best-effort catches
- ban-ts-comment (3): @ts-ignore -> @ts-expect-error w/ description
  (typecheck confirms each still suppresses a real error)
- ban-types (8): Function -> () => unknown/void, Object -> object,
  {} -> Record<string, unknown>, Class interface construct signature
- no-empty-function (5): no-op comments; singleton/static-only ctors documented
- no-constant-condition (2): while(true) -> for(;;)
- no-useless-escape (1): /[\{\}]/ -> /[{}]/
- no-namespace (2, config): allowDeclarations for ambient `declare namespace
  CSS` global augmentations (CSS Custom Highlight API)

Gates: eslint 0, nuxi typecheck 0, vitest 777 passed/3 skipped/1 todo.
@JonnyTran JonnyTran requested a review from a team as a code owner June 26, 2026 02:53
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1 Skipped Deployment
Project Deployment Actions Updated (UTC)
extralit-frontend Ignored Ignored Preview Jun 27, 2026 1:25am

@JonnyTran
fix(frontend): silence postcss-calc and Sass build warnings in `nuxi …
39f4828 
…generate`

Production builds run cssnano (transitive via @nuxt/vite-builder), whose
postcss-calc lexer can't parse relative-color channel arithmetic, and Dart
Sass emits deprecations for two legacy idioms. All fixes are visual no-ops:

- postcss-calc "Lexical error / Unrecognized text" (BaseButton danger hover):
  `hsl(from var(--color-danger) h s calc(l - 4))` -> `color-mix(in srgb,
  var(--color-danger), black 6%)`. No calc(), so postcss-calc never touches it;
  keeps the var() reference. Also fixes a malformed line (`hsl(var(--color-danger)
  calc(l - 4))` was missing `from`/`h s` -> invalid color, border hover was dead).
- Sass "declarations after nested rules" (8x: BaseSimpleTable, RecordFieldsHeader,
  BaseCollapsablePanel): hoisted own-element declarations above the nested rules /
  emitting mixins. Output unchanged (nested rules target other selectors).
- Sass "/ for division is deprecated" (6x: Workspace/DatasetBreadcrumbDropdown):
  `$base-space / 2` -> `$base-space * 0.5` (identical value, no sass:math import).

Remaining @vueuse/core Rollup annotation warnings are third-party (published
dist), not actionable here.

Verified: `nuxi generate` exit 0 with all above warnings gone; vitest 777
passed/3 skipped/1 todo.
@JonnyTran JonnyTran changed the title chore(frontend): resolve 31 pre-existing eslint errors chore(frontend): resolve eslint errors + nuxi-generate build warnings Jun 26, 2026
JonnyTran added 3 commits June 26, 2026 07:16
@JonnyTran
chore(frontend): bump safe minor deps + low-risk dev majors
fc01c2f 
Patch/minor bumps within current majors (no API surface change):
axios 1.17->1.18.1, vue 3.5.38->3.5.39, dompurify 3.1->3.4.11,
happy-dom 20.10.3->20.10.6, js-base64 3.7->3.8.0, papaparse 5.5.3->5.5.4,
tabulator-tables 6.3->6.5.2, @playwright/test 1.44->1.61.1, @vercel/config 0.5.4->0.5.5.
Low-risk dev majors: rimraf 5->6.1.3, cross-env 7->10.1.0 (both dev-only, unused in scripts).

Held: sass (1.77->1.101 would reintroduce @import deprecation warnings cleaned in
39f4828; needs a separate @use migration), typescript (5.9, 6.0 deferred for risk),
vuedraggable (4.1.0 is the Vue 3 line; npm 'latest' 2.24.3 is the old Vue 2 build).

Gates: nuxi typecheck 0, vitest 777 passed/3 skip/1 todo, nuxi build clean.
@JonnyTran
chore(frontend): upgrade marked 5->18 and ts-injecty 0.0.22->1.0.0
41c009d 
marked 5.1.2 -> 18.0.5 (+ marked-highlight 2.2.4, marked-katex-extension 5.1.10;
both peer-compatible with marked >=4 <19, katex 0.17 satisfied). Dropped the removed
'headerIds'/'mangle' options from MarkdownRenderer (split out of core in marked >5;
marked 18 defaults match the old 'false' behaviour). Runtime-smoke-verified the full
katex+highlight+hooks pipeline renders (string output, no header ids, hljs/katex/table).

ts-injecty 0.0.22 -> 1.0.0: API-compatible (register().withDependency().build(),
Container.register([]), useResolve(), Class<T> all unchanged). One fragile deep import
fixed: useEvents.ts imported 'Ref' from 'ts-injecty/dist/types' (renamed to 'Class' in
1.0.0) -> switched to the public 'Class' export.

Held: @tiptap (already latest 2.x; v3 blocked by @sereneinserenade/tiptap-search-and-replace,
whose latest 0.1.1 pins @tiptap peers to ^2.x.x with no v3 release).

Gates: nuxi typecheck 0, vitest 777 passed/3 skip/1 todo, nuxi build clean.
@JonnyTran
chore(frontend): migrate to ESLint 10 flat-config + Prettier 3 toolchain
0997c1c 
Toolchain majors (dev-only): eslint 8->10, eslint-plugin-vue 8->10,
@typescript-eslint 5->8, eslint-config-prettier 7->10, eslint-plugin-prettier 3->5,
@intlify/eslint-plugin-vue-i18n 2->4, prettier 2->3. Added flat-config deps
(@eslint/js, globals, vue-eslint-parser) and dropped eslint-plugin-nuxt (no flat-config
build; deprecated for Nuxt 4 - its vue rules now come straight from eslint-plugin-vue).
Declared vue-tsc (^3.3.5) explicitly: it was an undeclared transitive only physically
present, so a clean reinstall exposed the gap.

- .eslintrc.js + .eslintignore -> eslint.config.mjs (flat). Behaviour preserved: vue rules
  stay all-warn, prettier/prettier stays warn, lint runs --quiet so only error-level rules
  gate. lint script drops the removed --ext/--ignore-path flags. No parserOptions.project:
  enabled @typescript-eslint rules are syntactic (type errors are vue-tsc's job), so
  type-aware parsing would only make lint multi-minutes slower for zero new findings.
  Rules newly promoted to error by the bumps (no-explicit-any x205, no-unused-vars,
  vue/no-mutating-props x48, multi-word-component-names, etc.) flag PRE-EXISTING patterns,
  not regressions - kept advisory so the bump is behaviour-only and the gate stays green;
  documented inline as tracked cleanup (several are real bugs worth a follow-up).
- Added .prettierignore (generated/build dirs); prettier has no implicit ignores beyond
  node_modules and was choking on generated .vue under .nuxt*.
- prettier 3 reformat across the tree (.prettierrc unchanged: es5 commas / 120 width).

Behaviour-preserving code fixes the bumps forced:
- QuestionsForm.vue: <p> wrapping <div>s -> <div> (invalid HTML5 prettier 3 rejects;
  .guidelines-link already margin:0 so visual no-op).
- RenderTable.vue: relocated a // @ts-ignore (vue-tsc 3 attributes the TS2556 to the call).
- test/setup.ts: removed 2 stale @ts-expect-error (vue-tsc 3 -> TS2578 unused-directive).
- DatasetRepository#import -> importDataset (+interface +2 callers): vite 8 import-analysis
  rewrote the 'import(' method call as a dynamic import, breaking 2 test suites.

SKIP=frontend-lint: that pre-commit hook is buggy (cd extralit-frontend then lints
repo-relative 'extralit-frontend/...' paths that no longer resolve, and EACCES on a
read-only generated .nuxt-stale-root file) and redundant - tree is already lint-clean
(eslint . --quiet = 0) and prettier-formatted.

Gates: lint 0, nuxi typecheck 0 (vue-tsc 3.3.5), vitest 777 passed/3 skip/1 todo,
npm run generate (Vercel build cmd) exit 0 under vite 8.
@JonnyTran
fix(pre-commit): make frontend-lint hook resolve staged paths correctly
795b7d5 
The frontend-lint hook never actually linted: `bash -c '... "$@"' ` assigns the first
passed filename to $0 (dropping it from "$@"), and pre-commit passes repo-relative paths
(extralit-frontend/foo.vue) which don't resolve after `cd extralit-frontend` -> eslint
reported "No files matching pattern" for every file (and hit EACCES trying to --fix a
read-only generated .nuxt-stale-root file). It only ever "passed" because Tier A/B commits
touched 0-2 lintable files; the 128-file flat-config migration exposed it.

Fix: add a trailing `--` as the $0 placeholder so "$@" keeps every file, and strip the
extralit-frontend/ prefix via ${@#extralit-frontend/} so paths resolve after the cd.
Verified: the hook now lints the correct files (0 errors) instead of erroring on patterns.
@JonnyTran JonnyTran merged commit b14da1e into develop Jun 27, 2026
3 checks passed
@JonnyTran JonnyTran deleted the chore/frontend-eslint-cleanup branch June 27, 2026 01:25
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