func (app *App) rewriteAssets(t *template.Template, included *includedApp) error {
if !app.shouldImportAssets() {
return nil
}
for _, group := range t.Assets() {
for _, a := range group.Assets {
if a.IsRemote() || a.IsHTML() {
continue
}
orig := a.Name
if a.IsTemplate() {
orig = a.TemplateName()
}
name := included.renames[orig]
if name == "" {
return fmt.Errorf("asset %q referenced from template %q does not exist", a.Name, t.Name())
}
a.Rename(name)
}
group.Manager = app.assetsManager
}
fname := included.assetFuncName()
for _, v := range t.Trees() {
templateutil.WalkTree(v, func(n, p parse.Node) {
if n.Type() == parse.NodeIdentifier {
id := n.(*parse.IdentifierNode)
if id.Ident == template.AssetFuncName {
id.Ident = fname
}
}
})
}
return nil
}
func (a *includedApp) assetFunc(t *template.Template) func(string) (string, error) {
return func(arg string) (string, error) {
name := a.renames[arg]
return t.Asset(name)
}
}