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go/doc: disable playground for examples that use syscall/js 

The playground is not using GOOS=js, so it is not able to use the
package syscall/js. Examples that depend on syscall/js should not
show a "Run" button.

Fixes #28526.

Change-Id: I8b2fcdd0c0ee517a5c3864bf459f813129542389
Reviewed-on: https://go-review.googlesource.com/c/148918
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Richard Musiol 2018-11-10 15:31:32 +01:00 committed by Richard Musiol
parent 7780709369
commit f8c2f4f111
1 changed files with 5 additions and 0 deletions
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5
src/go/doc/example.go
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@ -268,6 +268,11 @@ func playExample(file *ast.File, f *ast.FuncDecl) *ast.File {
if err != nil {
continue
}
if p == "syscall/js" {
// We don't support examples that import syscall/js,
// because the package syscall/js is not available in the playground.
return nil
}
n := path.Base(p)
if s.Name != nil {
n = s.Name.Name