chore: migrate to the typescript v6

[AlbinaBlazhko17]

What/Why/How?

Upgraded typescript version to v6:

• Changed module, moduleResolution to nodenext
• Migrated baseUrl and paths
• Updated imports
• Removed dependency abort-controller
• Upgraded version of better-ajv-errors from v1 to v2.

Reference

Testing

Other products => https://github.com/Redocly/redocly/pull/22780
e2e => https://github.com/Redocly/redocly/actions/runs/23543471148/job/68536960227?pr=21909

Screenshots (optional)

Check yourself

• Code changed? - Tested with Redoc/Realm/Reunite (internal)
• All new/updated code is covered by tests
• New package installed? - Tested in different environments (browser/node)
• Documentation update considered

Security

• The security impact of the change has been considered
• Code follows company security practices and guidelines

---

Note

Medium Risk
Toolchain-level upgrade (TS6 + NodeNext) touches build/typecheck behavior and ESM import resolution across packages, with some any casts around Ajv that could mask typing regressions.

Overview
Upgrades the monorepo to TypeScript 6.0.2 and switches compiler settings to module/moduleResolution: nodenext with a higher target/lib, plus updated paths mapping in tsconfig.json.

Adjusts code to match NodeNext/ESM requirements: fixes type-only and internal imports to include .js entrypoints, updates tests to use import ... with { type: 'json' }, changes outdent to named imports, and refactors a few modules to avoid TS6 typing friction (e.g., Ajv instantiation cast to any, Source private fields moved to # syntax).

Bumps validation dependencies used across packages (@redocly/ajv to 8.18.1, better-ajv-errors to 2.0.3) and adds changesets for the resulting patch releases.

^{Reviewed by Cursor Bugbot for commit b9e4eba. Bugbot is set up for automated code reviews on this repo. Configure here.}

[changeset-bot]

🦋 Changeset detected

Latest commit: b9e4eba

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@redocly/respect-core	Patch
@redocly/openapi-core	Patch
@redocly/cli	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	80.08% (🎯 80%)	7130 / 8903
🔵	Statements	79.49% (🎯 79%)	7408 / 9319
🔵	Functions	83.47% (🎯 83%)	1430 / 1713
🔵	Branches	71.67% (🎯 71%)	4829 / 6737

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
packages/cli/src/commands/respect/index.ts	48.93%	37.5%	75%	46.66%	57, 62-63, 82-87, 97, 101, 105, 110-112, 126-136, 141-150, 155-158
packages/core/src/resolve.ts	95.26%	94.53%	100%	95.12%	88, 275, 353-358, 450-458
packages/core/src/config/group-assertion-rules.ts	88.88%	83.33%	100%	88%	20, 37, 65
packages/core/src/errors/yaml-parse-error.ts	100%	50%	100%	100%
packages/core/src/rules/ajv.ts	93.87%	91.66%	88.88%	97.77%	51, 132
packages/core/src/types/json-schema-adapter.ts	85.41%	81.81%	100%	84.61%	27, 45, 49, 53, 57-59, 81, 85, 103, 111-113, 117-119, 164, 168, 172, 176-178
packages/core/src/utils/oas-has-component.ts	100%	100%	100%	100%
packages/core/src/utils/read-file-from-url.ts	100%	75%	100%	100%
packages/respect-core/src/modules/context-parser/get-security-parameters.ts	100%	100%	100%	100%
packages/respect-core/src/modules/flow-runner/inputs/map-input-values-to-schema.ts	100%	100%	100%	100%
packages/respect-core/src/modules/flow-runner/schema/schema-checker.ts	98.38%	86.53%	100%	98.27%	193

Generated in workflow #9681 for commit b9e4eba by the Vitest Coverage Report Action

[github-actions]

CLI Version	Mean Time ± Std Dev (s)	Relative Performance (Lower is Faster)
cli-latest	1.614s ± 0.023s	▓ 1.00x (Fastest)
cli-next	1.641s ± 0.046s	▓ 1.02x

[github-actions]

📦 A new experimental 🧪 version v0.0.0-snapshot.1774371282 of Redocly CLI has been published for testing.

Install with NPM:

npm install @redocly/cli@0.0.0-snapshot.1774371282
# or
npm install @redocly/openapi-core@0.0.0-snapshot.1774371282
# or
npm install @redocly/respect-core@0.0.0-snapshot.1774371282

⚠️ Note: This is a development build and may contain unstable features.

[tatomyr]

I'm not in favour of adding additional export endpoint. It's better to maintain a single one (plus one for bundle-oas). If needed, it's better to reexport the property from the index file.

[AlbinaBlazhko17]

Yeah, will do it

[tatomyr]

Let's also try bumping the target (not necessarily in this PR though).

[AlbinaBlazhko17]

For sure, let me do it.

[tatomyr]

Why?

[AlbinaBlazhko17]

Oh, i thought we have package.json in lib/ folder, but we don't. I will change this changeset to export new type.

[github-actions]

📦 A new experimental 🧪 version v0.0.0-snapshot.1774861593 of Redocly CLI has been published for testing.

Install with NPM:

npm install @redocly/cli@0.0.0-snapshot.1774861593
# or
npm install @redocly/openapi-core@0.0.0-snapshot.1774861593
# or
npm install @redocly/respect-core@0.0.0-snapshot.1774861593

⚠️ Note: This is a development build and may contain unstable features.

[github-actions]

📦 A new experimental 🧪 version v0.0.0-snapshot.1776870885 of Redocly CLI has been published for testing.

Install with NPM:

npm install @redocly/cli@0.0.0-snapshot.1776870885
# or
npm install @redocly/openapi-core@0.0.0-snapshot.1776870885
# or
npm install @redocly/respect-core@0.0.0-snapshot.1776870885

⚠️ Note: This is a development build and may contain unstable features.

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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^{Reviewed by Cursor Bugbot for commit b9e4eba. Configure here.}