114 lines
2.1 KiB
Markdown
114 lines
2.1 KiB
Markdown
# Agent Instructions
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## Quick Reference
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- Default branch: `dev`
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- Regenerate JS SDK: `./packages/sdk/js/script/build.ts`
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- Always use parallel tools when applicable
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## Style Guide
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### General Principles
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- Keep things in one function unless composable or reusable
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- Avoid `try`/`catch` where possible
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- Avoid using the `any` type
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- Prefer single word variable names where possible
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- Use Bun APIs when possible, like `Bun.file()`
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- Rely on type inference when possible; avoid explicit type annotations or interfaces unless necessary for exports or clarity
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### Naming
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Prefer single word names for variables and functions. Only use multiple words if necessary.
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```ts
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// Good
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const foo = 1
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function journal(dir: string) {}
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// Bad
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const fooBar = 1
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function prepareJournal(dir: string) {}
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```
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Reduce total variable count by inlining when a value is only used once.
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```ts
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// Good
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const journal = await Bun.file(path.join(dir, "journal.json")).json()
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// Bad
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const journalPath = path.join(dir, "journal.json")
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const journal = await Bun.file(journalPath).json()
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```
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### Destructuring
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Avoid unnecessary destructuring. Use dot notation to preserve context.
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```ts
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// Good
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obj.a
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obj.b
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// Bad
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const { a, b } = obj
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```
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### Variables
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Prefer `const` over `let`. Use ternaries or early returns instead of reassignment.
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```ts
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// Good
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const foo = condition ? 1 : 2
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// Bad
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let foo
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if (condition) foo = 1
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else foo = 2
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```
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### Control Flow
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Avoid `else` statements. Prefer early returns.
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```ts
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// Good
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function foo() {
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if (condition) return 1
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return 2
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}
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// Bad
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function foo() {
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if (condition) return 1
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else return 2
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}
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```
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### Schema Definitions (Drizzle)
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Use snake_case for field names so column names don't need to be redefined as strings.
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```ts
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// Good
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const table = sqliteTable("session", {
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id: text().primaryKey(),
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project_id: text().notNull(),
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created_at: integer().notNull(),
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})
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// Bad
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const table = sqliteTable("session", {
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id: text("id").primaryKey(),
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projectID: text("project_id").notNull(),
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createdAt: integer("created_at").notNull(),
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})
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```
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## Testing
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- Avoid mocks as much as possible
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- Test actual implementation, do not duplicate logic into tests
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