146 lines
3.5 KiB
Go
Vendored
146 lines
3.5 KiB
Go
Vendored
package formatter
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import (
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"bytes"
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"fmt"
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"sort"
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"github.com/fatih/color"
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"github.com/mgechev/revive/lint"
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"github.com/olekukonko/tablewriter"
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)
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var (
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errorEmoji = color.RedString("✘")
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warningEmoji = color.YellowString("⚠")
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)
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var newLines = map[rune]bool{
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0x000A: true,
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0x000B: true,
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0x000C: true,
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0x000D: true,
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0x0085: true,
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0x2028: true,
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0x2029: true,
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}
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// Friendly is an implementation of the Formatter interface
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// which formats the errors to JSON.
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type Friendly struct {
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Metadata lint.FormatterMetadata
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}
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// Name returns the name of the formatter
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func (f *Friendly) Name() string {
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return "friendly"
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}
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// Format formats the failures gotten from the lint.
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func (f *Friendly) Format(failures <-chan lint.Failure, config lint.Config) (string, error) {
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errorMap := map[string]int{}
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warningMap := map[string]int{}
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totalErrors := 0
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totalWarnings := 0
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for failure := range failures {
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sev := severity(config, failure)
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f.printFriendlyFailure(failure, sev)
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if sev == lint.SeverityWarning {
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warningMap[failure.RuleName] = warningMap[failure.RuleName] + 1
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totalWarnings++
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}
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if sev == lint.SeverityError {
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errorMap[failure.RuleName] = errorMap[failure.RuleName] + 1
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totalErrors++
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}
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}
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f.printSummary(totalErrors, totalWarnings)
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f.printStatistics(color.RedString("Errors:"), errorMap)
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f.printStatistics(color.YellowString("Warnings:"), warningMap)
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return "", nil
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}
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func (f *Friendly) printFriendlyFailure(failure lint.Failure, severity lint.Severity) {
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f.printHeaderRow(failure, severity)
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f.printFilePosition(failure)
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fmt.Println()
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fmt.Println()
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}
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func (f *Friendly) printHeaderRow(failure lint.Failure, severity lint.Severity) {
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emoji := warningEmoji
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if severity == lint.SeverityError {
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emoji = errorEmoji
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}
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fmt.Print(f.table([][]string{{emoji, "https://revive.run/r#" + failure.RuleName, color.GreenString(failure.Failure)}}))
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}
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func (f *Friendly) printFilePosition(failure lint.Failure) {
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fmt.Printf(" %s:%d:%d", failure.GetFilename(), failure.Position.Start.Line, failure.Position.Start.Column)
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}
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type statEntry struct {
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name string
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failures int
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}
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func (f *Friendly) printSummary(errors, warnings int) {
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emoji := warningEmoji
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if errors > 0 {
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emoji = errorEmoji
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}
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problemsLabel := "problems"
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if errors+warnings == 1 {
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problemsLabel = "problem"
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}
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warningsLabel := "warnings"
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if warnings == 1 {
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warningsLabel = "warning"
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}
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errorsLabel := "errors"
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if errors == 1 {
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errorsLabel = "error"
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}
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str := fmt.Sprintf("%d %s (%d %s, %d %s)", errors+warnings, problemsLabel, errors, errorsLabel, warnings, warningsLabel)
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if errors > 0 {
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fmt.Printf("%s %s\n", emoji, color.RedString(str))
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fmt.Println()
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return
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}
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if warnings > 0 {
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fmt.Printf("%s %s\n", emoji, color.YellowString(str))
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fmt.Println()
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return
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}
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}
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func (f *Friendly) printStatistics(header string, stats map[string]int) {
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if len(stats) == 0 {
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return
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}
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var data []statEntry
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for name, total := range stats {
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data = append(data, statEntry{name, total})
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}
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sort.Slice(data, func(i, j int) bool {
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return data[i].failures > data[j].failures
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})
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formatted := [][]string{}
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for _, entry := range data {
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formatted = append(formatted, []string{color.GreenString(fmt.Sprintf("%d", entry.failures)), entry.name})
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}
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fmt.Println(header)
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fmt.Println(f.table(formatted))
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}
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func (f *Friendly) table(rows [][]string) string {
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buf := new(bytes.Buffer)
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table := tablewriter.NewWriter(buf)
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table.SetBorder(false)
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table.SetColumnSeparator("")
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table.SetRowSeparator("")
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table.SetAutoWrapText(false)
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table.AppendBulk(rows)
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table.Render()
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return buf.String()
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}
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