58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package golinters
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import (
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"context"
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"fmt"
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goconstAPI "github.com/golangci/goconst"
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"github.com/golangci/golangci-lint/pkg/lint/linter"
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"github.com/golangci/golangci-lint/pkg/result"
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)
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type Goconst struct{}
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func (Goconst) Name() string {
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return "goconst"
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}
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func (Goconst) Desc() string {
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return "Finds repeated strings that could be replaced by a constant"
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}
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func (lint Goconst) Run(ctx context.Context, lintCtx *linter.Context) ([]result.Issue, error) {
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var goconstIssues []goconstAPI.Issue
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// TODO: make it cross-package: pass package names inside goconst
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for _, files := range lintCtx.Paths.FilesGrouppedByDirs() {
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issues, err := goconstAPI.Run(files, true,
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lintCtx.Settings().Goconst.MinStringLen,
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lintCtx.Settings().Goconst.MinOccurrencesCount,
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)
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if err != nil {
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return nil, err
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}
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goconstIssues = append(goconstIssues, issues...)
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}
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if len(goconstIssues) == 0 {
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return nil, nil
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}
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res := make([]result.Issue, 0, len(goconstIssues))
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for _, i := range goconstIssues {
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textBegin := fmt.Sprintf("string %s has %d occurrences", formatCode(i.Str, lintCtx.Cfg), i.OccurencesCount)
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var textEnd string
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if i.MatchingConst == "" {
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textEnd = ", make it a constant"
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} else {
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textEnd = fmt.Sprintf(", but such constant %s already exists", formatCode(i.MatchingConst, lintCtx.Cfg))
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}
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res = append(res, result.Issue{
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Pos: i.Pos,
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Text: textBegin + textEnd,
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FromLinter: lint.Name(),
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})
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}
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return res, nil
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}
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