GoNavi / rules
Syngnat/GoNavi/.cursor/rules/gonavi-go.mdc
GoNavi Go 专属规约(Uber/Google 底本 + 本仓库叠加)。完整手册见 GO_STYLE.md
Cursor rule2.1k starsChanged 23 days ago
What's in it
- GoNavi Go
- 拆包
- 错误 / context / 接口
- 并发与日志
- 测试
---
description: GoNavi Go 专属规约(Uber/Google 底本 + 本仓库叠加)。完整手册见 GO_STYLE.md
globs: "**/*.go"
alwaysApply: false
---
# GoNavi Go
Java 跟阿里巴巴手册。**Go 跟仓库根目录 `GO_STYLE.md`**(Uber Go Style + Google/Code Review Comments + Effective Go + 本仓库叠加)。不适用于 `third_party/`。
## 拆包
- `internal/app/methods_<领域>.go`,超标再拆(已有 `methods_db_objects.go`)。
- `internal/db/<引擎>_impl.go`,过大拆 catalog/query/exec/ssh,包名仍为 `db`。
- 平台:`*_windows.go` / `*_darwin.go` / `*_stub.go`。
- 禁止往 `methods_file.go`、`methods_db.go`、`app.go` 净增职责。函数体 ≤120 行。
## 错误 / context / 接口
```go
// ❌ rows, _ := inst.Query(q)
// ✅
data, fields, err := a.runQuery(ctx, config, q)
if err != nil {
logger.Error(err, "DBQuery failed: %s", formatConnSummary(config))
return connection.QueryResult{Success: false, Message: a.appText("db.backend.error.query_failed", map[string]any{"detail": err.Error()})}
}
```
- 绑定层只返回 `connection.QueryResult`;领域层 `fmt.Errorf("...: %w", err)` + `errors.Is/As`。
- `ctx` 第一参数,必须传到 Query/HTTP;禁止 `panic`。
- `Database` 保持小;特有能力用可选接口。`var _ db.Database = (*MySQLDB)(nil)`。
## 并发与日志
- 每个 goroutine 有退出条件;无缓冲 channel 为默认;持锁不做网络 IO。
- 只用 `internal/logger`;禁止密码/DSN。用户文案走 `shared/i18n`。
## 测试
- 同包 `xxx_test.go`,表驱动,不连生产库。纯函数必带测。
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