func typeToAny bug fix (Azure#20033)

Alancere · web-flow · commit dfbe352d198f · 2023-02-17T14:31:25.000+08:00
* fix null pointer exception when generating changelog
diff --git a/eng/tools/generator/autorest/model/changelog.go b/eng/tools/generator/autorest/model/changelog.go
@@ -433,11 +433,12 @@ func removePattern(funcName string, returnValue string) string {
 }
 
 func typeToAny(b *report.BreakingChanges, flag bool) []string {
-	if b.IsEmpty() {
-		return nil
+	var items []string
+
+	if b == nil || b.IsEmpty() {
+		return items
 	}
 
-	var items []string
 	if len(b.Structs) > 0 {
 		for _, k := range sortChangeItem(b.Structs) {
 			v := b.Structs[k]

Original file line number	Diff line number	Diff line change
`@@ -433,11 +433,12 @@ func removePattern(funcName string, returnValue string) string {`
`433`	`433`	`}`
`434`	`434`
`435`	`435`	`func typeToAny(b *report.BreakingChanges, flag bool) []string {`
`436`		`- if b.IsEmpty() {`
`437`		`- return nil`
	`436`	`+ var items []string`
	`437`	`+`
	`438`	`+ if b == nil \|\| b.IsEmpty() {`
	`439`	`+ return items`
`438`	`440`	`}`
`439`	`441`
`440`		`- var items []string`
`441`	`442`	`if len(b.Structs) > 0 {`
`442`	`443`	`for _, k := range sortChangeItem(b.Structs) {`
`443`	`444`	`v := b.Structs[k]`