nessarandClaude Opus 5.5
558c70aa24
Stable Bun 1.4.3 runs installs, the development server, standalone type checks, the native test runner and a Bun.serve static server. Native lint/fmt are canary-only, and Angular's server build needs Node loader hooks Bun does not apply, so the spec now keeps ESLint/Prettier until a stable release, builds Angular client-only behind a Bun static server, converts line coverage from lcov, and replaces the heap cap with a container memory limit. Refs #289 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
27 lines
1.3 KiB
Markdown
27 lines
1.3 KiB
Markdown
---
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status: proposed
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---
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# Bun Runtime and Native Tooling
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VacOptimizer will use Bun as the runtime for project-owned JavaScript in
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development, CI, and production, adopting its native test runner, linter,
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formatter, type checker, and HTTP server even without measured performance gains.
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This deliberately accepts Bun-specific tooling and migration work while retaining
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Angular's standard compiler and build pipeline, including TypeScript 6 for
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Angular compilation alongside `bun check` for standalone TypeScript checking.
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Verification on stable Bun 1.4.3 narrowed this: ESLint and Prettier stay,
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run by Bun, until a stable release ships the native linter and formatter;
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Angular builds a client-only bundle, because its server build relies on Node
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loader hooks Bun does not apply, and a small `Bun.serve` server delivers it,
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giving up `@angular/ssr`; coverage is line-level, converted from lcov to the
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existing HTML and Cobertura reports; and the benchmark's heap cap becomes a
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container memory limit.
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Existing behavior, tests, lint rules, coverage reporting, and benchmark budgets
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must be preserved; incompatibilities must be fixed or reported as blockers before
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declaring completion, and a Node.js fallback does not meet the runtime requirement.
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The [development spec](../bun-adoption.md) records the agreed boundaries,
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acceptance criteria, and remaining verification.
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