feat: migration config to vite.config.ts

[fengmk2]

This PR adds functionality to migrate standalone configuration files (.oxlintrc, .oxfmtrc) into the unified vite.config.ts format. The implementation:

• Adds TypeScript language support to ast-grep for parsing config files
• Creates AST-based rules for merging JSON configs into vite.config.ts
• Handles various config formats including object literals, function callbacks, and plain exports
• Properly converts JSON to TypeScript object literals with correct formatting
• Exposes a new mergeJsonConfig function in the binding API
• Updates the migration process to automatically merge configs when detected

The implementation handles edge cases like trailing commas, function callbacks, and different export styles to ensure reliable migration.

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Note

Adds AST-driven migration that merges .oxlintrc/.oxfmtrc into vite.config, rewrites vite/vitest imports to vite-plus, exposes merge/rewrite APIs in bindings, and updates CLI with version checks and new workflow with tests.

• Migration Engine (Rust vite_migration):
  • Add TypeScript parsing support via ast-grep features.
  • Implement merge_json_config and rewrite_import with AST rules to:
    • Merge .oxlintrc/.oxfmtrc into defineConfig (supports object, function callbacks, plain exports, return vars, satisfies).
    • Rewrite import ... from 'vite' and 'vitest/config' to '@voidzero-dev/vite-plus'.
  • Include reusable rule files: rules/oxlint-*.yaml, rules/rewrite-import.yaml.
• Bindings (NAPI + JS):
  • Expose mergeJsonConfig and rewriteImport in packages/cli/binding (TS defs and JS exports).
• CLI Migration Flow (packages/global/src/migration):
  • Detect vite.config.*/vitest.config.* and rewrite imports.
  • Auto-create vite.config.ts when missing and merge oxlint/oxfmt configs; remove old files.
  • Enforce minimum versions (vite>=7, vitest>=4) with clear errors; upgrade Yarn <4.10 when needed.
  • Apply package manager overrides/resolutions and update scripts; handle monorepos and root workspace files.
• Detection & Utilities:
  • Add package metadata/version detection; config file detection extended to Vitest.
• Tests & Docs:
  • Add snapshot tests covering TS/JS, monorepo (pnpm/yarn), auto-create config, and unsupported versions.
  • Update RFC with import rewrite and merged config examples.
• Deps:
  • Add tree-sitter-typescript via ast-grep-language feature; add tempfile for tests.

^{Written by Cursor Bugbot for commit 3d3af8c. This will update automatically on new commits. Configure here.}

[fengmk2]

• feat: migration config to vite.config.ts #320 👈 (View in Graphite)
• feat: add migration command for global cli #313
• feat: add package.json script migration with ast-grep #310
• chore: remove x86_64-unknown-linux-gnu-cc #316: 1 other dependent PR (#318)
• main

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[Copilot]

Pull request overview

This PR adds JSON configuration migration functionality to automatically merge standalone .oxlintrc and .oxfmtrc config files into the unified vite.config.ts format. The implementation uses AST-based transformation via ast-grep with TypeScript language support to handle various config patterns including object literals, function callbacks, and plain exports.

Key Changes:

• Adds TypeScript parser support to ast-grep for parsing config files
• Implements mergeJsonConfig native binding to merge JSON configs into vite.config.ts using AST manipulation
• Updates migration process to automatically detect and merge standalone configs when present

Reviewed changes

Copilot reviewed 43 out of 45 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
rfcs/migration-command.md	Corrects config key from "format" to "fmt" in documentation examples
packages/global/src/migration/migrator.ts	Adds rewriteViteConfigFile function to detect configs, create vite.config.ts if needed, and merge JSON configs
packages/global/src/migration/detector.ts	(Context) Provides config file detection functionality
packages/cli/binding/src/migration.rs	Exports mergeJsonConfig function to the JavaScript binding layer
packages/cli/binding/src/lib.rs	Adds merge_json_config to exported bindings
packages/cli/binding/index.js	Exports mergeJsonConfig from native binding
packages/cli/binding/index.d.ts	Adds TypeScript definitions for mergeJsonConfig and MergeJsonConfigResult
crates/vite_migration/src/vite_config.rs	Core implementation of JSON-to-TypeScript conversion and AST-based merging with comprehensive test coverage
crates/vite_migration/src/lib.rs	Exports merge_json_config and MergeResult from vite_config module
crates/vite_migration/rules/*.yaml	Reference AST-grep rule templates for config merging (not used programmatically)
Cargo.toml	Enables TypeScript language support in ast-grep-language dependency
Cargo.lock	Adds tree-sitter-typescript dependency
packages/global/snap-tests/*	Comprehensive snapshot tests covering various migration scenarios (monorepo, standalone, auto-create, different config formats)

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[fengmk2]

Merge activity

• Dec 5, 2:31 PM UTC: @fengmk2 merged this pull request with Graphite.