I finally got a workaround going, and that is to not have any moustache
template in the javascript at all. By putting the {{area}} template in an
data-xxx attribute of the <a> element I can access this from the javascript.
On Monday, September 9, 2019 at 1:53:34 PM UTC+2, Jens-Uwe Mager wrote:
>
> I am having a problem to properly escape javascript urls in my templates.
> I do have the situation where I build a template that is having javascript
> urls that are from variables in the go program (read from yaml files). The
> go program generates static html, but the html is supposed to use
> moustache.js to expand some further variables at render time. I am just not
> able to preserve my javascript from the html/template escaping. Any ideas
> what I am doing wrong?
>
> The output is:
>
> <a href="javascript:doSlide%28%27%7b%7barea%7d%7d%27%29;">{{test}}</a>
>
>
> But I would like it to be:
>
> <a href="javascript:doSlide('{{area}}');">{{test}}</a>
>
>
> package main
>
> import (
> "html/template"
> "os"
> )
>
> var t = template.Must(template.New("test").Funcs(template.FuncMap{
> "safeattr": func(value string) template.HTMLAttr {
> return template.HTMLAttr(value)
> },
> "safehtml": func(value string) template.HTML {
> return template.HTML(value)
> },
> "safejs": func(value string) template.JS {
> return template.JS(value)
> },
> "safecss": func(value string) template.CSS {
> return template.CSS(value)
> },
> "safeurl": func(value string) template.URL {
> return template.URL(value)
> },
> }).Parse(`
> <a href="{{safeurl .href}}">{{safehtml .content}}</a>
> `))
>
> func main() {
> data := map[string]string{
> "href": "javascript:doSlide('{{area}}');",
> "content": "{{test}}",
> }
> err := t.Execute(os.Stdout, data)
> if err != nil {
> panic(err)
> }
> }
>
>
>
> https://play.golang.org/p/F2EiuECCZWo
>
>
>
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