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policy: AffineScript is primary, ReScript is banned — finish the migration #91

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hyperpolymath merged 1 commit into from
Aug 28, 2026
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policy: AffineScript is primary, ReScript is banned — finish the migration #91

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11 changes: 6 additions & 5 deletions .claude/CLAUDE.md
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Expand Up @@ -6,7 +6,7 @@

| Language/Tool | Use Case | Notes |
|---------------|----------|-------|
| **ReScript** | Primary application code | Compiles to JS, type-safe |
| **AffineScript** | Primary application code | Affine-typed, compiles to typed-wasm or ESM |
| **Bun** | JS runtime & package management (tier 1) | Default for all new work. Runs compiled ESM/JS directly — no bundler step. Uses an npm-compatible `package.json` plus `bun.lock` — both are expected, not anti-patterns. |
| **Rust** | Performance-critical, systems, WASM | Preferred for CLI tools |
| **Tauri 2.0+** | Mobile apps (iOS/Android) | Rust backend + web UI |
Expand All @@ -24,13 +24,14 @@

| Banned | Replacement |
|--------|-------------|
| TypeScript | ReScript |
| TypeScript | AffineScript |
| ReScript | AffineScript |

@codacy-production codacy-production Bot Aug 27, 2026

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🟡 MEDIUM RISK

Suggestion: The Enforcement Rules should be updated to reflect that ReScript is now banned. While the banned table is correct, Rule 1 (Line 51 in context) still only mentions TypeScript. It should be expanded to include ReScript to ensure consistent migration behavior. Suggestion: Update the rule to: "1. No new TypeScript or ReScript files - Convert existing TS/ReScript to AffineScript"

| Deno | Bun |
| Node.js | Bun |
| npm | Bun |
| pnpm/yarn | Bun |
| Go | Rust |
| Python | Julia/Rust/ReScript |
| Python | Julia/Rust/AffineScript |
| Java/Kotlin | Rust/Tauri/Dioxus |
| Swift | Tauri/Dioxus |
| React Native | Tauri/Dioxus |
Expand All @@ -40,7 +41,7 @@

**No exceptions for Kotlin/Swift** - use Rust-first approach:

1. **Tauri 2.0+** - Web UI (ReScript) + Rust backend, MIT/Apache-2.0
1. **Tauri 2.0+** - Web UI (AffineScript) + Rust backend, MIT/Apache-2.0
2. **Dioxus** - Pure Rust native UI, MIT/Apache-2.0

Both are FOSS with independent governance (no Big Tech).
Expand All @@ -51,7 +52,7 @@ Both are FOSS with independent governance (no Big Tech).
2. **Use `package.json` + `bun.lock` for JS runtime deps** - Bun is npm-compatible; a manifest is REQUIRED
3. **`bun install --production --frozen-lockfile` for production deps** - resolved from `package.json` and pinned via `bun.lock`; `--frozen-lockfile` makes a lockfile mismatch a build failure rather than a silent re-resolve
4. **No Go code** - Use Rust instead
5. **No Python anywhere** - Use Julia for data/batch, Rust for systems, ReScript for apps
5. **No Python anywhere** - Use Julia for data/batch, Rust for systems, AffineScript for apps
6. **No Kotlin/Swift for mobile** - Use Tauri 2.0+ or Dioxus

### Package Management
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