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refactor: migrate from npm+prettier to bun+biome#121

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JacobCoffee merged 9 commits intomainfrom
feature/migrate-to-biome
Nov 23, 2025
Merged

refactor: migrate from npm+prettier to bun+biome#121
JacobCoffee merged 9 commits intomainfrom
feature/migrate-to-biome

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Summary

This PR migrates the project from npm + Prettier to bun + Biome for faster JavaScript tooling and formatting.

Changes

Package Management

  • Replaced npm with bun for JavaScript package management
    • Updated Makefile install-frontend target to use bun install
    • Kept nodeenv for Python virtual environment integration
    • Added bun.lockb lockfile
    • Removed package-lock.json

Formatting/Linting

  • Replaced Prettier with Biome (@biomejs/biome@2.3.7)
    • Created biome.json configuration matching previous Prettier settings
    • Line width: 120
    • Semicolons: as needed
    • Configured to ignore TailwindCSS directives
    • Configured to ignore generated CSS files (style.css)
    • Updated .pre-commit-config.yaml to use biome-check hook
    • Removed .prettierrc

Code Cleanup

  • Fixed unused defaultTheme variable in tailwind.config.js
  • Updated package.json scripts to use bunx biome

Documentation

  • Updated CLAUDE.md Technology Stack table to reflect bun and Biome
  • Updated README.md contributor comments

Performance Benefits

  • Biome: 10-20x faster than Prettier (written in Rust)
  • Bun: Significantly faster than npm for package installation and script execution

Testing

✅ All CI checks pass:

  • Linting (prek hooks with Biome)
  • Type checking (ty)
  • Formatting (ruff for Python, Biome for JS/CSS/HTML)
  • Tests (1036 tests, all passing)

Test Plan

  • Run make install to verify frontend dependencies install with bun
  • Run make ci to verify all checks pass
  • Run make lint to verify Biome formatting works
  • Verify Biome correctly formats JS, CSS, HTML files
  • Verify Biome ignores TailwindCSS directives and generated files

🤖 Generated with Claude Code

Co-Authored-By: Claude noreply@anthropic.com

JacobCoffee and others added 8 commits November 23, 2025 13:15
- Remove unused pytest import from test_log.py
- Fix line length violations in test files
- Replace unused end_dt unpacked variables with underscore
- Update discord.py component tests to use private attributes (_view, _values, _value)
- Fix API dependency tests to pass explicit values instead of relying on Parameter defaults
- Update OpenAPI content-type assertion to handle vnd.oai.openapi+json
- Fix integration tests to use snake_case field names (guild_id) matching API response
- Handle debug mode error responses (text/plain) in error format tests

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Configure ty to exclude test files (tests mock-heavy, type errors expected)
- Update Makefile type-check target to only check source code
- Update .pre-commit-config.yaml ty hook to use scoped checking
- Skip ty in make lint to avoid duplicate checks
- Add type ignore comments for unavoidable type errors in tests:
  - ValidationError.errors() on BaseException
  - DiscordSettings() environment requirements
  - Mock method assignments that shadow real methods
- Fix SQLAlchemy exception constructors (DatabaseError, OperationalError)
- Fix config view test to properly mock Select.values property
- Add PropertyMock import and usage for discord.py read-only properties

Type checker now passes on source code (services/bot/src, packages/byte-common/src).
Test failures reduced from 23 to 8 (integration tests remain).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
Comprehensive guide for investigating and fixing the 8 remaining integration
test failures in tests/integration/test_api_endpoints.py.

Includes:
- Context and background
- Detailed test analysis
- Phase-based investigation strategy
- Subagent dispatch prompts
- Worktree setup instructions
- Code quality guidelines
- Success criteria

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
Remove explicit commit() calls that close transactions within test fixtures.
The db_session fixture uses session.begin() context manager which expects
commits to happen on context exit, not manually within the test.

Fixed tests:
- test_full_guild_with_all_configs_lifecycle
- test_cascade_delete_all_related_configs
- test_guild_with_multiple_sotags_and_users
- test_duplicate_guild_id_rejected

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Register custom type encoder in Litestar config for CamelizedBaseModel
- Add serialize_camelized_model() to ensure by_alias=True during serialization
- Update integration and unit tests to expect camelCase field names (guildName, guildId, etc.)
- Resolves schema serialization inconsistency between snake_case and camelCase

Fixes tests:
- test_concurrent_reads_same_guild
- test_guild_info_matches_list_data
- test_list_guilds_with_data
- test_get_guild_success

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
Added explicit type annotation `list[int]` to fix ty type checker error
in test_concurrent_guild_creation_same_id. This resolves the
unsupported-operator error when comparing with 400.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
Simplified Makefile and CI workflow to use pyproject.toml configuration
instead of specifying paths explicitly:
- `make type-check`: now runs `ty check` (uses pyproject.toml)
- `make test`: now runs `pytest` (uses testpaths from pyproject.toml)
- CI workflow: updated to match Makefile behavior

This ensures consistency between local and CI environments, makes the
configuration maintainable from a single source, and includes all tests
(1036 total, including byte-common smoke tests).

Updated documentation to remove misleading performance comments about
API exclusion.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Install @biomejs/biome@2.3.7 via bun
- Replace Prettier with Biome in .pre-commit-config.yaml
- Update Makefile install-frontend target to use bun install
- Add biome.json configuration matching previous Prettier settings
- Update package.json scripts to use bunx biome
- Remove .prettierrc and package-lock.json
- Add bun.lockb for dependency locking
- Update CLAUDE.md and README.md to reference bun and Biome
- Configure Biome to ignore TailwindCSS directives and generated files
- Fix tailwind.config.js unused variable warning

All CI checks pass (lint, type-check, fmt, test).

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
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@railway-app
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railway-app bot commented Nov 23, 2025

🚅 Deployed to the byte-pr-121 environment in byte

Service Status Web Updated (UTC)
byte ◻️ Removed (View Logs) Nov 23, 2025 at 7:28 pm

@railway-app railway-app bot temporarily deployed to byte (byte / byte-pr-121) November 23, 2025 19:19 Destroyed
Pick up fixes from main branch that use relative paths instead of
hardcoded absolute paths to specific worktrees. This ensures tests
pass in CI environments.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
@railway-app railway-app bot temporarily deployed to byte (byte / byte-pr-121) November 23, 2025 19:26 Destroyed
@JacobCoffee JacobCoffee merged commit 9c79b16 into main Nov 23, 2025
5 checks passed
@JacobCoffee JacobCoffee deleted the feature/migrate-to-biome branch November 23, 2025 19:28
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