playground.js: display vet errors when program has no output
When program has no output and vet errors are encountered,
initialize data.Events as an empty array.
Fixes golang/go#25455.
Change-Id: Icedd77685b784505da3bb6383629cdfa8b8b22e9
Reviewed-on: https://go-review.googlesource.com/113875
Run-TryBot: Yury Smolsky <yury@smolsky.by>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
diff --git a/godoc/static/playground.js b/godoc/static/playground.js
index aad459f..1b7be65 100644
--- a/godoc/static/playground.js
+++ b/godoc/static/playground.js
@@ -109,7 +109,10 @@
dataType: "json",
success: function(dataVet) {
if (dataVet.Errors) {
- // inject errors from the vet as the first event in the output
+ if (!data.Events) {
+ data.Events = [];
+ }
+ // inject errors from the vet as the first events in the output
data.Events.unshift({Message: 'Go vet exited.\n\n', Kind: 'system', Delay: 0});
data.Events.unshift({Message: dataVet.Errors, Kind: 'stderr', Delay: 0});
}
diff --git a/godoc/static/static.go b/godoc/static/static.go
index 0511762..20edbe6 100644
--- a/godoc/static/static.go
+++ b/godoc/static/static.go
@@ -2398,7 +2398,10 @@
dataType: "json",
success: function(dataVet) {
if (dataVet.Errors) {
- // inject errors from the vet as the first event in the output
+ if (!data.Events) {
+ data.Events = [];
+ }
+ // inject errors from the vet as the first events in the output
data.Events.unshift({Message: 'Go vet exited.\n\n', Kind: 'system', Delay: 0});
data.Events.unshift({Message: dataVet.Errors, Kind: 'stderr', Delay: 0});
}