clerk: internal/linter/rule_unused

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

Oleksandr Smirnov linter: add different rules related to tags..., 2 months ago

package linter

import (
	"fmt"

	"olexsmir.xyz/clerk/internal/analyzer"
)

// UnusedTag flags declared tags that are not used.
type UnusedTag struct{}

func (UnusedTag) ID() RuleID         { return "unused-tag" }
func (UnusedTag) Severity() Severity { return SeverityWarning }
func (u *UnusedTag) CheckJournal(an *analyzer.Analysis) []Find {
	var finds []Find
	for name, info := range an.Tags {
		if len(info.Directives) == 0 {
			continue
		}
		if len(info.Usage) > 0 {
			continue
		}
		for _, d := range info.Directives {
			finds = append(finds, Find{
				Code:     u.ID(),
				Severity: u.Severity(),
				Span:     d.Span,
				Message:  fmt.Sprintf("unused tag: %s", name),
			})
		}
	}
	return finds
}

1	package linter
2
3	import (
4	"fmt"
5
6	"olexsmir.xyz/clerk/internal/analyzer"
7	)
8
9	// UnusedTag flags declared tags that are not used.
10	type UnusedTag struct{}
11
12	func (UnusedTag) ID() RuleID { return "unused-tag" }
13	func (UnusedTag) Severity() Severity { return SeverityWarning }
14	func (u UnusedTag) CheckJournal(an analyzer.Analysis) []Find {
15	var finds []Find
16	for name, info := range an.Tags {
17	if len(info.Directives) == 0 {
18	continue
19	}
20	if len(info.Usage) > 0 {
21	continue
22	}
23	for _, d := range info.Directives {
24	finds = append(finds, Find{
25	Code: u.ID(),
26	Severity: u.Severity(),
27	Span: d.Span,
28	Message: fmt.Sprintf("unused tag: %s", name),
29	})
30	}
31	}
32	return finds
33	}