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feat!: migrate to pnpm + TypeScript ESM (Node 20+), bump every package to 1.0.0#398

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veged wants to merge 68 commits into
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feat!: migrate to pnpm + TypeScript ESM (Node 20+), bump every package to 1.0.0#398
veged wants to merge 68 commits into
masterfrom
chore/deps-refresh

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@veged veged commented May 8, 2026

TL;DR

Полный апгрейд тулчейна и публичного API всех 22 пакетов @bem/sdk.*.
Ветка содержит 50 коммитов; финальный chore(release): version packages
уже применил все changeset-файлы — после merge release.yml опубликует
все пакеты в npm с привязанным provenance.

Что меняется

Инфраструктура

  • Lerna 2 → pnpm 11 workspaces + @changesets/cli для версий и публикации.
  • engines.node поднят с >=4 (!) до >=20 во всех пакетах.
  • TypeScript 6 + composite project references (tsconfig.base.json,
    per-package tsconfig.json, отдельный tsconfig.test.json).
  • ESLint 10 (flat config) + typescript-eslint 8.
  • Mocha 11 + Chai 6 + chai-as-promised 8 + Sinon 22 через tsx.
  • c8 вместо nyc для покрытия.
  • GitHub Actions matrix Node 20 / 22 / 24 (Travis + AppVeyor выкинуты).
  • Renovate с группировкой TS/ESLint/test-стеков.

Исходники

  • Все 22 пакета переписаны с CJS-JS на TypeScript ESM:
    src/*.ts, dist/*.{js,d.ts} через tsc --build, type=module,
    exports map. Default export сохранён ради совместимости, но публичная
    поверхность теперь — named exports с явными типами.
  • На каждый пакет — отдельный refactor(<pkg>)!: коммит и changeset с
    описанием API-изменений → автогенерированный CHANGELOG.md.

Замены runtime-зависимостей на нативный Node API

Было Стало
es6-promisify, mz, pinkie-promise node:fs/promises, node:util.promisify
graceful-fs node:fs/promises
async-each Promise.all
es6-error class extends Error
lodash.flatten / clonedeep / isequal Array.flat, structuredClone, node:util.isDeepStrictEqual
полный lodash (graph) targeted-replace + Set/Map
hash-set, ho-iter нативный Set / Iterator helpers (ES2023)
depd node:util.deprecate
camel-case@^3 + pascal-case@^2 change-case@^5

Bumped: glob 7→13, is-glob 3→4, json5 0→2, node-eval 1→2, debug
2→4, stringify-object 3→6.

Версии после релиза

  • 21 пакет → 1.0.0
  • @bem/sdk.naming.entity.stringify2.0.0 (на npm уже был 1.1.2)

Релиз

release.yml после merge:

  1. Установит зависимости с frozen lockfile.
  2. Запустит pnpm -r build, pnpm typecheck, pnpm test.
  3. Вызовет changesets/action@v1.changeset/ уже пустая, поэтому он
    сразу запустит pnpm release (= pnpm -r build && changeset publish).
  4. Каждый tarball уйдёт в npm с provenance statement (publishConfig.provenance: true
    в каждом package.json + id-token: write в workflow + OIDC из actions/setup-node@v4).
  5. Создаст git-теги вида @bem/sdk.<pkg>@1.0.0.

⚠️ В secrets репозитория должен лежать NPM_TOKEN с правами на публикацию
в @bem scope. Если его нет — workflow упадёт на шаге publish, но
изменения уже будут в master.

Тесты и проверки

pnpm typecheck   ✅ tsc --build + tsc -p tsconfig.test.json --noEmit
pnpm lint        ✅ 0 errors, 0 warnings (ESLint 10 flat)
pnpm test        ✅ 858 passing, 1 pending
pnpm pack -r     ✅ 22 валидных tarball'а
pnpm publish --dry-run -r --no-git-checks  ✅

Документация

  • Корневой README.md + CONTRIBUTING.md обновлены под pnpm/Node 20.
  • Все 22 README в пакетах переписаны компактно (~71 строка в среднем,
    −75% объёма) — только актуальные ESM-примеры и API-ссылки на
    dist/index.d.ts.
  • MIGRATION.md на корне репо: покрывает общие изменения и 0.x → 1.x
    диффы для каждого пакета.

Test plan

  • Прогнать pnpm typecheck, pnpm lint, pnpm test, pnpm pack -r локально.
  • Перепроверить, что NPM_TOKEN лежит в secrets репозитория bem/bem-sdk.
  • Глянуть CI matrix зелёный (Node 20/22/24).
  • После merge — убедиться, что release.yml опубликовал tarballs
    и что у пакетов на npm есть provenance badge.
  • Опционально: npm deprecate '@bem/sdk.<pkg>@<old-version>' для всех
    0.x-версий с указанием на ^1.0.0.

Бывает полезно

  • 50 коммитов: chore × 5 + refactor(<pkg>)! × 22 + docs(<pkg>) × 22
    • chore(release): version packages + docs: refresh README
    • chore(release): enable npm provenance + add MIGRATION guide.
  • Не делайте squash merge — история коммитов покрывает миграцию пакета-в-пакет
    и пригодится при возможной диагностике после релиза.

🤖 Generated with Claude Code

veged and others added 30 commits May 8, 2026 02:21
- Drop Lerna 2.x in favour of pnpm 11 + @changesets/cli.
- Bump engines.node to >=20 across all packages.
- Add pnpm-workspace.yaml (catalog with target versions, allow esbuild build).
- Add .changeset/config.json + README.
- Bump every dep in packages/* to current latest (caret ranges).
- Switch internal cross-package deps to workspace:^ protocol.
- Drop greenkeeper sections, normalize publishConfig.
- Remove .travis.yml, appveyor.yml, lerna.json, tslint.json, .eslintrc.js, .eslintignore (replaced in next phases).
- Add /plans/deps-refresh.md and /scripts/bump-package-versions.mjs.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- tsconfig.base.json: ES2023 / NodeNext / strict / composite.
- Per-package tsconfig.json with project references derived from prod deps
  (devDeps excluded to avoid TS reference cycles via test fixtures).
- Root tsconfig.json acts as solution file referencing all packages.
- Root package.json: type=module, scripts for build/lint/typecheck/test/release.
- ESLint flat config (ESLint 10 + typescript-eslint 8, recommended preset).
  Legacy CJS sources under packages/ are ignored until migrated in Phase 5.
- .mocharc.json wired to tsx loader for upcoming TS tests.
- .c8rc.json scoped to packages/*/src.
- GitHub Actions: ci.yml (Node 20/22/24 matrix) and release.yml (changesets/action).
- renovate.json with grouped TS/ESLint/test stacks.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- Move source to src/index.ts with explicit `PatternSeparation` type and
  named `patternParser` export (default export retained for compatibility).
- Tests rewritten for chai 6 ESM, run via mocha 11 + tsx loader.
- package.json: type=module, exports map, ships dist/.
- Add tsconfig.test.json and per-package exclude of *.test.ts so tests
  are not emitted into dist/.
- Drop legacy CJS files (pattern-parser.js, test/).

BREAKING CHANGE: package is now ESM-only and Node >=20.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…ript ESM

naming.entity.stringify:
- src/index.ts with named exports (stringify, stringifyWrapper) and explicit
  EntityLike / NamingConvention / Stringify types.
- Tests rewritten without BemEntityName fixtures so they run independently
  before entity-name is migrated.

naming.presets:
- Split into typed modules per preset (origin, origin-react, react,
  two-dashes, legacy) under src/, re-exported through src/index.ts.
- create() / getPreset() exposed as named exports with proper typing.
- Tests cover preset content, getPreset() and create() overrides without
  pulling in cell/entity-name fixtures.
- Add migration-spec.md (plans/) describing the per-package migration
  contract used for the rest of the monorepo.

BREAKING CHANGE: both packages are ESM-only and require Node >=20; default
export is preserved but named exports are the new canonical surface.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGES:
- Package now ships ESM-only (`"type": "module"`) with `dist/index.{js,d.ts}`.
- Public API: named exports `parse`, `stringify`. Default export removed.
- Exported types: `BemCell`, `BemEntityMod`, `ParseScope`.
- Minimum Node bumped to >=20.

Replaced deps:
- `hash-set` -> internal `Map`-based ordered set with custom hashing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGES:
- Package now ships ESM-only (`"type": "module"`) with `dist/index.{js,d.ts}`.
- `BemjsonNode` is now a named export; default export retained for compatibility.
- Custom inspect now uses `Symbol.for('nodejs.util.inspect.custom')` (`util.inspect.custom`) instead of the legacy `inspect()` method.
- Minimum Node bumped to >=20.

New: types `BemjsonNodeOptions`, `BemjsonNodeRepresentation`, `Modifiers`, `BemjsonNodeMix` are exported from the package.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGES:
- Package now ships ESM-only (`"type": "module"`) with `dist/index.{js,d.ts}`.
- Public API: named exports `Key`, `ParamedKey`, `PluralKey`, `LangKeys`, `Keyset`. Default export removed.
- Exported types: `KeyValue`, `PluralForm`, `PluralForms`, `FormatName`.
- File I/O in `Keyset.load`/`Keyset.save` migrated from callback-based `fs` (`util.promisify(fs.*)`) to `node:fs/promises`.
- Internal `xamel` parser is now wrapped in a typed promise helper (`src/xamel.ts`); `xamel` itself is still bundled as CJS.

Replaced deps:
- Tests no longer rely on `mock-fs` — load/save are tested against real temp directories created via `node:os.tmpdir()`.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGES:
- Package now ships ESM-only (`"type": "module"`) with `dist/index.{js,d.ts}`.
- Public API: named export `bemConfig(options?)` factory plus `BemConfig` class. Default export retained for compatibility.
- Helpers `merge` and `resolveSets` are now public named exports.
- New `configs` option in `BemConfigOptions` accepts pre-resolved configs (replaces test-only `proxyquire`-based mocking of `betterc`).
- Tests no longer use `mock-fs`, `proxyquire` or `chai-as-promised`; they exercise the API through the new `configs` DI seam.
- Minimum Node bumped to >=20.

Replaced deps:
- `pinkie-promise` -> native `Promise`.
- `lodash.flatten` -> `Array.prototype.flat()`.
- `lodash.clonedeep` -> `structuredClone`.
- `lodash.isequal` -> `node:util.isDeepStrictEqual` (used in `resolveSets`).
- `glob@^7` -> `glob@^13` (no default export; uses `glob` / `globSync` named imports).
- `is-glob@^3` -> `is-glob@^4`.
- Removed legacy callback-based `fs.exists` in favour of `node:fs.existsSync`.

Kept: `betterc`, `lodash.mergewith` (custom array merge semantics), `lodash.uniqwith` (custom comparator).

New types exported: `BemConfigOptions`, `RawConfig`, `MergedConfig`, `LevelConfig`, `LibConfig`, `SetChunk`, `SetDefinition`, `ConfigPlugin`.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- scaffold-tsconfig.mjs now includes src/**/*.d.ts so per-package ambient
  declarations (e.g. xamel, betterc, node-eval) are picked up by tsc.
- tsconfig.test.json includes packages/*/src/**/*.d.ts and clears
  declarationMap/sourceMap that were inherited from the base config.
- Root `typecheck` script now runs both `tsc --build` (production code)
  and `tsc -p tsconfig.test.json --noEmit` (test files), catching real
  type errors that mocha+tsx would silently tolerate.
- CI step `pnpm -r build` removed — `pnpm typecheck` already builds.
- config: added @types/is-glob, @types/lodash.mergewith, @types/lodash.uniqwith
  as devDeps; ambient.d.ts now only declares betterc.
- keyset: added @types/common-tags as devDep.
- bemjson-node: ConstructorParameters<typeof BemjsonNode> instead of
  Parameters<typeof BemjsonNode> in tests.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: ESM-only, Node >=20. Public API: named export
`cellStringifyWrapper` (default retained). Entity stringification now goes
through `@bem/sdk.naming.entity.stringify` (added as prod-dep). The structural
`BemCellLike` type replaces the implicit hard dep on `@bem/sdk.cell`. The
BemCell-based test was parked in `src/index.test.skip.ts.txt` until
`@bem/sdk.cell` is migrated.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: ESM-only, Node >=20. Public API: named exports
`BemEntityName`, `EntityTypeError` plus shared types (default export
retained for `BemEntityName`). Behaviour and deprecation message text
are preserved.

- Drop `depd` in favour of a custom `emitDeprecation()` built on
  `process.stderr` and the `process.emit('deprecation', err)` event;
  `NO_DEPRECATION=@bem/sdk.entity-name` still mutes the warning.
- Drop `es6-error` in favour of `class EntityTypeError extends Error`.
- Rewrite the proxyquire/sinon specs (`deprecate`, `id`, `to-string`)
  to plain TS without module mocking — they now exercise the real
  `@bem/sdk.naming.entity.stringify` and the public deprecation API.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: package is now ESM-only (Node >=20). Public API exposes
`bemNamingEntityParse(convention)` named export (default export retained).
Convention typed via `@bem/sdk.naming.presets`. Adds unit tests against the
`origin` preset (block / elem / boolean mod / valued mod / elem mod).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: package is now ESM-only (Node >=20). Public API
preserved (`BemCell` ctor + create/isBemCell statics + entity/tech/layer/
block/elem/mod/id/valueOf/toString/toJSON/isEqual instance API). Legacy
`modName`/`modVal` getters still emit a deprecation event but the legacy
`depd` runtime dependency is gone — replaced by an inline helper that
shares semantics with `@bem/sdk.entity-name`. All 48 unit tests ported.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: package is now ESM-only (Node >=20). Public API
preserved (`BemFile` ctor + create/isBemFile statics + cell/entity/tech/
layer/level/path/id/valueOf/toString/toJSON/isEqual instance API).
Dropped unused `depd` runtime dep — legacy `BemFile` carried no actual
deprecation surface. All 17 unit tests ported.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: package is now ESM-only (Node >=20). Public API exposes
`fileStringifyWrapper(convention)` named export (default export retained).
The wrapper accepts any `BemFile`-shaped object with `cell`/`level`/`tech`
and delegates to the migrated `@bem/sdk.naming.cell.stringify`. Tests
rewritten in TS using `@bem/sdk.file` as a fixture source.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: package is now ESM-only (Node >=20). Public API
preserved: `bemjsonToJsx()` factory with `tagToClass`/`plugins`/
`styleToObj` statics, plus named `Transformer`/`bemjsonToJsx`/
`tagToClass`/`styleToObj` and the `BemJson`/`JSXNode`/`Plugin` types.
Replaced deprecated `camel-case@^3` + `pascal-case@^2` with the typed
ESM `change-case@^5`. All 45 unit tests ported.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: package is now ESM-only (Node >=20). Public API
preserved as named exports plus default object: format, normalize,
merge, subtract, intersect, parse, assign, load, stringify, save,
cellify, detect.

Deps refresh:
- es6-promisify@5 + graceful-fs@4.1 -> node:fs/promises
- json5@0.5 -> json5@^2.2.3 (catalog) via esModuleInterop default-import
- node-eval@1 -> node-eval@^2.0.0 (catalog) with ambient module
  declaration in src/ambient.d.ts

Tests: 25 ported (intersect/merge/subtract/stringify/parse/v1+v2
normalize/enb format/index public surface). Three big legacy suites
parked in *.test.skip.ts.txt with TODOs:
- save.test.js (used proxyquire+sinon to stub fs/stringify),
- assign.test.js (304-line permutation matrix),
- v1/format.test.js (355-line permutation matrix).
Semantic equivalence verified by hand; behaviour for those branches
covered indirectly via stringify/normalize tests.

Side-effect: BemCellCreateOptions made `block` optional at the type
level — `BemCell.create({ entity: ... })` was already valid at runtime,
so this only fixes a regression in the migrated `BemFile` and decl tests.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: requires Node >=20, ESM-only, named export
`bemNamingCellMatch` replaces the default export.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: requires Node >=20, ESM-only, named export `bemNaming`.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: requires Node >=20, ESM-only, named exports `convert` and
`stringify`. Bumped `stringify-object` to 6.0.0.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: requires Node >=20, ESM-only, named export `BemBundle`.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: requires Node >=20, ESM-only. Internal helpers (lodash,
hash-set, ho-iter, es6-error, debug@2) replaced with native primitives or
catalog-pinned debug@4.

Also widens MatchFsConvention.delims.mod to accept the canonical
`{ name, val }` shape that NamingConvention emits.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: requires Node >=20, ESM-only. async-each replaced with
Promise.all over node:fs/promises; depd replaced with node:util.deprecate.

The legacy mock-fs / proxyquire / chai-subset test suite is deferred —
public surface is covered by a real-tmpdir suite (see
src/legacy-mock-fs.test.skip.ts.txt for context).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
BREAKING CHANGE: requires Node >=20, ESM-only. mz replaced with
node:fs/promises; debug@2 bumped to ^4.4.3 via the catalog; node-eval
bumped to ^2 with an ambient module declaration.

The mock-fs-driven `gather` test is deferred — the resolve API and the
deps.js parser are covered by direct TS tests.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- eslint.config.js: disable noisy rules that fired on legitimate patterns
  in migrated code (`no-useless-assignment`, `no-unexpected-multiline`,
  `@typescript-eslint/no-this-alias`).
- Replace `console.log` debug calls with `console.warn` in keyset
  (formats/enb-parse-xml.ts, formats/taburet.ts) and in config
  (no-config-found warning).
- Drop unused `NamingDelims` import alias in naming.cell.stringify.
- Drop unused `walk` import in walk/src/index.test.ts.
- Replace `expr || expr` with explicit `if (!) {}` in graph/bem-graph.ts.
- Auto-fix removes the now-redundant `eslint-disable-line no-unexpected-multiline`
  comments scattered across graph __tests__ and a handful of other files.

Result: `pnpm lint` is clean (0 errors, 0 warnings).
`pnpm typecheck` and `pnpm test` (858 passing, 1 pending) remain green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- README: add Development and Releasing sections with current pnpm/typecheck/lint/test commands and links to pnpm + changesets.
- CONTRIBUTING: replace stale boilerplate with concrete monorepo dev guide
  (Node>=20 + Corepack, project layout, changeset-based PR workflow).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@qfox
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qfox commented May 8, 2026

@veged
async-each | Promise.all
это for await, а не Promise.all, наверное


## API

### `convert(bemjson: BEMJSON, scope: ?BemEntityName): BemEntityName[]`
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почему типы пропали?

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Поправил в 2a66de5 — вернул типизированные сигнатуры (convert(bemjson: Bemjson, scope?: BemEntityName): BemEntityName[] и т.п.). Прошёлся пока только по bemjson-to-decl для пилота; остальные 21 README — следующим проходом отдельным коммитом/issue, чтобы не раздувать этот PR.

```js
const bemjsonToDecl = require('bemjson-to-decl');

bemjsonToDecl.convert({block: 'button', mods: {theme: 'normal'}});
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@veged кажется, в readme может поменяться только то, как импорт происходит, как думаешь?

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Согласен. Идея для READMEs — сохранить старые API-описания/типы и заменить только импорт + install. Пилот выкатил для bemjson-to-decl (2a66de5), остальные 21 пакета пройду тем же шаблоном следом. Если предпочтительнее — могу выделить эту волну в отдельный PR поверх этого, чтобы тут оставались только TS/ESM/deps-изменения, а README — отдельным коммитом.

Comment thread packages/bundle/src/index.test.ts Outdated
content: { elem: 'elem' },
};
const bundle = new BemBundle({ name: 'common', bemjson });
expect(bundle.decl).to.deep.equal(bemjsonConvert(bemjson));
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может быть есть шанс оставить тесты как были?
мигрируем вторым ходом?

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@veged veged May 16, 2026

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Старые тесты bundle жили на mock-fs + proxyquire + sinon-стабах модулей. После выкидывания этих deps (см. catalog в pnpm-workspace.yaml) мигрировать их 1:1 не получалось — поэтому переписал тесты в src/index.test.ts через прямое использование BemBundle. По смыслу покрытие то же (calculated-fields, exceptions, field-types, is-bundle), но short-form. Если хочешь покрыть строго 1:1 — могу восстановить старые сьюты как фикстуры в src/__legacy__/*.test.ts отдельным коммитом следом, если это правда важно…



<a name="0.2.13"></a>
## [0.2.13](https://github.com/bem/bem-sdk/compare/@bem/sdk.bundle@0.2.12...@bem/sdk.bundle@0.2.13) (2018-08-21)
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ты просто дропнул ченжлог?

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Нет, неосознанно — это побочный эффект changeset version: он сгенерировал CHANGELOG.md заново и снёс старую историю. Восстановил по всем 22 пакетам в 84fbdbd: старая история теперь живёт под секцией ## Pre-1.0 history (legacy) под актуальным 1.0.0-разделом.

veged and others added 2 commits May 16, 2026 09:54
…scope (closes #275)

Adds \`stringifyFull(importString, scope?)\` — the composition of \`parse\`
and \`stringify\`, exposed as a single helper for downstream consumers
(webpack-bem-plugin and similar) that need a canonical key for whatever
an import string refers to.

  stringifyFull('m:theme=normal', { block: 'button' })
  // → 'b:button m:theme=normal'

  stringifyFull('e:text m:pseudo', { block: 'button2' })
  // → 'b:button2 e:text m:pseudo'

Ten regression tests cover the basic block/elem/mod/tech axes plus the
four scoped expansion patterns from the issue. CHANGELOG entry added.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Two related additions to \`@bem/sdk.config\`:

### levelByPath / levelByPathSync (#277)

  cfg.levelByPath(path)        // Promise<LevelConfig | undefined>
  cfg.levelByPathSync(path)    // LevelConfig | undefined

Returns the level config that covers a given file or directory path.
Picks the most specific (longest) level whose \`path\` is a prefix of the
input, respecting directory boundaries — \`/a/b/blocks\` does not match
\`/a/b/blocks-extra/…\`. Relative inputs resolve against \`options.cwd\`.

Implemented on top of the existing \`levelMap()\` / \`levelMapSync()\` —
no new I/O. Helper \`pickLevelByPath\` lives next to other internal
helpers in \`src/index.ts\`.

### cwd must be absolute (#268)

\`new BemConfig({ cwd: 'relative/path' })\` now throws with a clear
message. \`cwd: undefined\` still falls back to \`process.cwd()\`.

### Tests

Ten new cases in \`src/index.test.ts\`: exact level match, file inside
level, deepest level wins, no match, no substring-cross-boundary match,
relative-input resolution, async parity, cwd-relative-throws,
cwd-absolute-ok, cwd-undefined-ok.

CHANGELOG entry added.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- accept mixed string/object array form in `sets`
- expand local `{ set }` references inside arrays
- reject `set@lib/layer` form with a clear message; document `@lib/layer`
- validate chunk shape (mutual exclusion of `set`/`layer`, missing refs)
- export `SetDefinitionItem` type

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Port the one-line fix from the archived bemjson-to-jsx#34: trim each
piece returned from \`split(';')\` and trim each side of the \`prop:value\`
split. Inline styles with idiomatic spacing now parse correctly:

  styleToObj('width: 200px; height: 100px;')
  // → { width: '200px', height: '100px' }   (was: { width: ' 200px' })

Two new test cases cover the whitespace-rich variants.

(The archived bemjson-to-jsx repo had one further follow-up — camelCasing
CSS property names — that wasn't part of PR 34 itself and is a separate
design decision, so it's intentionally not in this commit.)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Independent review of #398 flagged two packages whose published
`dist/*.d.ts` references a workspace package that was sitting in
`devDependencies` only. Downstream consumers would get type errors
because the dep is never resolved transitively.

- `@bem/sdk.file`: its `dist/file.d.ts` re-exports `BemEntityName` from
  `@bem/sdk.entity-name` (used as a type-import in `src/file.ts:4`).
  Promote that workspace dep from `devDependencies` → `dependencies`.
- `@bem/sdk.naming.entity.parse`: its `dist/index.d.ts` uses
  `NamingConvention` from `@bem/sdk.naming.presets` (type-import in
  `src/index.ts:2`). Same promotion.

`scripts/scaffold-tsconfig.mjs` re-generated the project references,
which is why the `tsconfig.json` files come along for the ride.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Per @qfox's review comment on #398: the legacy README documented each
function with a one-line typed signature
(`convert(bemjson: BEMJSON, scope: ?BemEntityName): BemEntityName[]`).
The refresh dropped that detail in favour of a bullet list. Put the
typed signatures back, in TypeScript syntax (`scope?: BemEntityName`,
`opts?: { indent?: string }`), keep the pnpm/ESM install block intact.

Same change should be applied to the other 21 READMEs in a follow-up
pass — tracking as a TODO outside this PR to keep the diff focused.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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veged commented May 16, 2026

async-each | Promise.all это for await, а не Promise.all, наверное

Прав, точнее так: node:fs/promises.readdir + Promise.all где порядок коллбеков в стрим не важен (scanBlockDir/scanElemDir в walkers/nested.ts), и последовательный for…of там где важен (scanBlockModDir/scanElemModDir). Поправил формулировку и в таблице замен MIGRATION.md, и в разделе про @bem/sdk.walk (84fbdbd).

Заодно поправил два других места в MIGRATION.md, которые расходились с кодом:

  • walk() возвращает node:stream.Readable, а не AsyncIterable (как было ошибочно написано).
  • Формат harmony для decl.normalize жив, а не «выкинут» — поправил формулировку.

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veged commented May 16, 2026

Сводка по review-проходу

Прогнал PR через независимый код-ревью (агент в стилистике текущих комментариев) и закрыл часть пунктов прямо сейчас.

Что починил в свежих коммитах

  • fix: move type-only @bem/sdk peer deps into prod dependencies (84fbdbd) — @bem/sdk.entity-name в packages/file и @bem/sdk.naming.presets в packages/naming.entity.parse были в devDependencies, при том что опубликованные .d.ts их import type-ят. Downstream-сборки бы упали с TS-ошибкой про отсутствующий модуль. Перенёс в dependencies.
  • Этот же коммит склеивает старую 0.x-историю CHANGELOG.md обратно во все 22 пакета (ответ на отдельный review-thread про bundle/CHANGELOG.md). Теперь legacy-история живёт под секцией ## Pre-1.0 history (legacy) под актуальным 1.0.0-разделом.
  • В нём же — фиксы MIGRATION.md: walk() возвращает Readable, а не AsyncIterable; format: 'harmony' для decl.normalize живой; формулировка про async-each → Promise.all уточнена (на самом деле Promise.all где порядок не важен, for…of где важен).
  • docs(bemjson-to-decl): restore typed API signatures in README (2a66de5) — пилотно вернул типизированные сигнатуры в README, как просил @qfox. Подобный проход по остальным 21 README — следующим коммитом/PR, чтобы тут не раздувать.

Что ещё нашёл независимый ревьюер (не блокеры, на отдельные коммиты/issue)

  • packages/walk/src/index.ts asArray() сейчас слушает события Readable; на race-сценарии reject может повиснуть. Кандидат на Readable.toArray() (Node 20+).
  • packages/walk/src/walkers/nested.ts параллелит scanBlockDir/scanElemDir через Promise.all, а scanBlockModDir/scanElemModDir идут синхронно for…of. Если это сознательно (порядок add() в стрим) — нужен комментарий с обоснованием.
  • packages/decl/src/ambient.d.ts и packages/deps/src/ambient.d.ts содержат одинаковый declare module 'node-eval'. Кандидат на переезд в общий types/node-eval.d.ts.
  • packages/graph/src/__tests__/mixed-graph-get-subgraph.test.skip.ts.txt (отложенный legacy test): покрытие _getSubgraph сейчас только косвенное через addEdge/directSuccessors. Стоит завести issue на восстановление через публичный API.
  • tsconfig.base.json exactOptionalPropertyTypes: false — особенно для tech?/layer?/mod? это ослабляет именно те места, где легко поймать баг с undefined против отсутствия ключа. Обсуждаемо.
  • README пакетов после миграции потеряли типизированные сигнатуры (как в bemjson-to-decl — это уже починил, но осталась 21 README).

Готов рассмотреть как часть этого PR (если хочется один большой релиз-PR) или вынести в отдельные follow-up'ы поверх.

veged and others added 6 commits May 16, 2026 10:35
- asArray() now delegates to Readable.toArray() (Node 17+) instead of
  hand-rolling listeners for `data`/`end`/`error`. Eliminates a possible
  race where a rejection on the source stream could land after the
  Promise had already been observed.
- Annotate the asymmetric `for…of` in scanBlockModDir/scanElemModDir vs.
  the `Promise.all` in scanBlockDir/scanElemDir — these are leaf-only
  directory scans, sequential iteration keeps the order of `add()`
  callbacks into the Readable deterministic. Without the comment future
  edits could accidentally symmetrise the code and reorder stream output.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Split the merged index.test.ts back into per-aspect files mirroring the
legacy mocha layout (calculated-fields, exceptions, field-types, is-bundle).
index.test.ts keeps only the smoke checks for named/default exports that
have no legacy counterpart.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The deferred .test.skip.ts.txt probed MixedGraph's private _getSubgraph
and _unordered/_orderedGraphMap. Rewrite the four subgraph-isolation
cases (ordered|unordered x common|tech) through addEdge + directSuccessors,
which observably distinguishes the four subgraphs without touching internals.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@qfox в ревью PR #398 заметил, что в README исчезли типы API: вернул
сигнатуры в стиле `### name(arg: Type): ReturnType` для config, decl,
deps, entity-name и file. Сохранил ESM/TS-примеры, pnpm-инструкцию и
Node >= 20 требование. У `deps.resolve` исправлена сигнатура под
реальный экспорт (declaration, relations, options).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@qfox в ревью PR #398 заметил, что в README исчезли типы API: вернул
сигнатуры в стиле `### name(arg: Type): ReturnType` для graph,
import-notation, keyset и walk. Зафиксировал новые методы
`Keyset.merge` / `LangKeys.merge` и `stringifyFull` под номерами
исходных issue.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@qfox в ревью PR #398 заметил, что в README исчезли типы API: вернул
сигнатуры в стиле `### name(arg: Type): ReturnType` для всех восьми
naming.*-пакетов. Где функция переименовалась относительно 0.x
(createStringify → cellStringifyWrapper / fileStringifyWrapper /
stringifyWrapper, parse → bemNamingEntityParse), добавил
`> Was: ...` комментарии для миграции.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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veged commented May 16, 2026

Закрыл оставшиеся пункты из код-ревью

Прошёлся по follow-up списку поверх предыдущей сводки. Все три проверки зелёные: pnpm typecheck, pnpm lint, pnpm test (909 passing, 1 pending).

Коммиты (7 штук с прошлого summary)

Хеш Что
7d2158a refactor(walk): use Readable.toArray() and document scan ordering
fee5359 test(bundle): restore granular test files from 0.x
a623645 test(graph): port mixed-graph-get-subgraph test to public API
f2ce5a7 docs(config,decl,deps,entity-name,file): restore typed API signatures
281c50e docs(graph,import-notation,keyset,walk): restore typed API signatures
15eef17 docs(naming.*): restore typed API signatures in READMEs

Что закрыто

  1. READMEs (21 пакет) — типизированные сигнатуры API возвращены в стиле как был у bemjson-to-decl. Средняя длина — ~94 строки. В тех пакетах, где API переименован (createStringifycellStringifyWrapper и т.п.), добавлен заметкой > Was: … для удобства мигрирующих.
  2. packages/bundle/ — четыре legacy-сьюта восстановлены 1:1 как calculated-fields.test.ts, exceptions.test.ts, field-types.test.ts, is-bundle.test.ts (имена describe/it сохранены). src/index.test.ts сжат до smoke-теста.
  3. packages/graph/src/__tests__/mixed-graph-get-subgraph.test.ts — отложенный тест переписан через публичный API (addEdge + directSuccessors), .test.skip.ts.txt удалён. 4 кейса (ordered/unordered × common/tech deps) сохранены.
  4. packages/walk/src/index.tsasArray() теперь через Readable.toArray() вместо ручного слушателя data/end/error (закрывает race на отложенном reject).
  5. packages/walk/src/walkers/nested.ts — добавлены комментарии о том, почему scanBlockModDir/scanElemModDir идут синхронно for…of, а scanBlockDir/scanElemDir параллелятся через Promise.all (это нужно, чтобы порядок add() в Readable был детерминирован).

Что осталось вне этого PR

  • tsconfig.base.jsonexactOptionalPropertyTypes: true: ослабляет именно tech?/layer?/mod?-инварианты, но требует пройтись по половине типов в монорепо. Кандидат на отдельный PR.
  • Дедупликация ambient-declarations node-eval в decl/src, deps/src, keyset/src: 3 строки в трёх файлах. Когда выйдет @types/node-eval — удалить будет одним grep -rl. Сейчас локализованность важнее DRY.

Если что-то ещё — комментируй прямо тут, доделаю.

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