clerk: internal/linter/rule_empty

clerk/internal/linter/rule_empty_postings.go (view raw)

Oleksandr Smirnov implement basic linter, 1 month ago

package linter

import "olexsmir.xyz/clerk/journal/ast"

// EmptyPostings flags transactions that have no postings.
type EmptyPostings struct{}

func (EmptyPostings) ID() RuleID          { return "empty-postings" }
func (EmptyPostings) Severity() Severity  { return SeverityError }
func (EmptyPostings) Description() string { return "transaction has no postings" }
func (e *EmptyPostings) CheckEntry(entry ast.Entry) []Find {
	txn, ok := entry.(*ast.Transaction)
	if !ok {
		return nil
	}
	if len(txn.Postings) == 0 {
		return []Find{{
			Code:     e.ID(),
			Severity: e.Severity(),
			Message:  e.Description(),
			Span:     txn.Span,
		}}
	}
	return nil
}

1	package linter
2
3	import "olexsmir.xyz/clerk/journal/ast"
4
5	// EmptyPostings flags transactions that have no postings.
6	type EmptyPostings struct{}
7
8	func (EmptyPostings) ID() RuleID { return "empty-postings" }
9	func (EmptyPostings) Severity() Severity { return SeverityError }
10	func (EmptyPostings) Description() string { return "transaction has no postings" }
11	func (e *EmptyPostings) CheckEntry(entry ast.Entry) []Find {
12	txn, ok := entry.(*ast.Transaction)
13	if !ok {
14	return nil
15	}
16	if len(txn.Postings) == 0 {
17	return []Find{{
18	Code: e.ID(),
19	Severity: e.Severity(),
20	Message: e.Description(),
21	Span: txn.Span,
22	}}
23	}
24	return nil
25	}