Upgrade Vite to 7.3.0 and ESLint to 9.x #827
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This comprehensive upgrade addresses two GitHub issues: - Issue #820: Vite 4.5.5 EOL and security update needs - Issue #819: ESLint 9 support for Node 24.x Changes: - Upgraded Vite 4.5.5 → 7.3.0 with performance optimizations - Upgraded ESLint 8.x → 9.x with flat config migration - Fixed existing Vitest 4.0.16 compatibility (requires Vite 6+) - Migrated from .eslintrc.js to eslint.config.mjs (flat config) - Added legacy-peer-deps for @vitejs/plugin-vue2 compatibility - Updated all Vite-related tooling and dependencies - Removed deprecated ESLint plugins (airbnb-base, import) - Enhanced build configuration with explicit minification - Updated vitest.config.js for Vitest 4 compatibility All tests passing (34 tests), build successful, linting clean. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Client Test Results34 tests 34 ✅ 0s ⏱️ Results for commit 1d50533. ♻️ This comment has been updated with latest results. |
Python Test Results 1 files 1 suites 19s ⏱️ Results for commit 1d50533. ♻️ This comment has been updated with latest results. |
The .npmrc file contains legacy-peer-deps=true which is required for installing dependencies with Vite 7 and @vitejs/plugin-vue2. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Summary
This PR addresses two GitHub issues with a comprehensive upgrade:
Key Changes
Vite Upgrade (4.5.5 → 7.3.0)
ESLint Upgrade (8.x → 9.x)
eslint.config.mjs)airbnb-base,import,vuejs-accessibility@eslint/js,globalsflat/vue2-recommendedconfig for Vue 2.7 compatibilityConfiguration Updates
legacy-peer-deps=trueto.npmrcfor @vitejs/plugin-vue2 compatibility with Vite 7vitest.config.jsto remove deprecatedpoolOptionsTesting
Breaking Changes
None - this is a drop-in upgrade with backward-compatible configuration.
Related Issues
Closes #820
Closes #819
Future Work
Created #826 to track Vite dev server integration with backend proxy configuration.
Test Plan
npm cito install dependenciesnpm run buildto verify build succeedsnpm run ci-lintto verify linting passesnpm run test:runto verify all tests pass🤖 Generated with Claude Code