Fix crash with empty table

mislav · mislav · commit 9fc80a1f8abc · 2019-11-20T12:18:50.000+01:00
diff --git a/utils/table_printer.go b/utils/table_printer.go
@@ -22,7 +22,7 @@ func NewTablePrinter(w io.Writer) *TTYTablePrinter {
 		out:       w,
 		IsTTY:     tty,
 		maxWidth:  ttyWidth,
-		colWidths: []int{},
+		colWidths: make(map[int]int),
 		colFuncs:  make(map[int]func(string) string),
 	}
 }
@@ -31,14 +31,11 @@ type TTYTablePrinter struct {
 	out       io.Writer
 	IsTTY     bool
 	maxWidth  int
-	colWidths []int
+	colWidths map[int]int
 	colFuncs  map[int]func(string) string
 }
 
 func (t *TTYTablePrinter) SetContentWidth(col, width int) {
-	if col == len(t.colWidths) {
-		t.colWidths = append(t.colWidths, 0)
-	}
 	if width > t.colWidths[col] {
 		t.colWidths[col] = width
 	}

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ func NewTablePrinter(w io.Writer) *TTYTablePrinter {`
`22`	`22`	`out: w,`
`23`	`23`	`IsTTY: tty,`
`24`	`24`	`maxWidth: ttyWidth,`
`25`		`- colWidths: []int{},`
	`25`	`+ colWidths: make(map[int]int),`
`26`	`26`	`colFuncs: make(map[int]func(string) string),`
`27`	`27`	`}`
`28`	`28`	`}`
`@@ -31,14 +31,11 @@ type TTYTablePrinter struct {`
`31`	`31`	`out io.Writer`
`32`	`32`	`IsTTY bool`
`33`	`33`	`maxWidth int`
`34`		`- colWidths []int`
	`34`	`+ colWidths map[int]int`
`35`	`35`	`colFuncs map[int]func(string) string`
`36`	`36`	`}`
`37`	`37`
`38`	`38`	`func (t *TTYTablePrinter) SetContentWidth(col, width int) {`
`39`		`- if col == len(t.colWidths) {`
`40`		`- t.colWidths = append(t.colWidths, 0)`
`41`		`- }`
`42`	`39`	`if width > t.colWidths[col] {`
`43`	`40`	`t.colWidths[col] = width`
`44`	`41`	`}`