Is there a “safeTemplateVariable” kind of function for Golang?












0















It is better to ask this question with an example:



First, lets declare a variable in Golang:



{{ $html := "<b>hi!</b>" }}



If we try to output {{ $html }} the output would be:



input:
{{ $html }}

output:
<b>hi!</b>



If you pass the safeHTML function, the html will evaluate and the output would be:



input:
{{ $html | safeHTML }}

output:
hi!



Is there a way to parse a Golang variable? Like this:

If I try this:
{{ $var1 := "it's me!" }}
{{ $var2 := "hey guys, {{ $var1 }}" }}



This would happen:

input:
{{ $var2 }}

output:
"hey guys, {{ $var 1 }}"



But I want the $var1 value to be evaluated, like this:
"hey guys, it's me!"



Sorry if I wasn't clear enough, I'm not a native english speaker



Thanks for the help!










share|improve this question



























    0















    It is better to ask this question with an example:



    First, lets declare a variable in Golang:



    {{ $html := "<b>hi!</b>" }}



    If we try to output {{ $html }} the output would be:



    input:
    {{ $html }}

    output:
    <b>hi!</b>



    If you pass the safeHTML function, the html will evaluate and the output would be:



    input:
    {{ $html | safeHTML }}

    output:
    hi!



    Is there a way to parse a Golang variable? Like this:

    If I try this:
    {{ $var1 := "it's me!" }}
    {{ $var2 := "hey guys, {{ $var1 }}" }}



    This would happen:

    input:
    {{ $var2 }}

    output:
    "hey guys, {{ $var 1 }}"



    But I want the $var1 value to be evaluated, like this:
    "hey guys, it's me!"



    Sorry if I wasn't clear enough, I'm not a native english speaker



    Thanks for the help!










    share|improve this question

























      0












      0








      0








      It is better to ask this question with an example:



      First, lets declare a variable in Golang:



      {{ $html := "<b>hi!</b>" }}



      If we try to output {{ $html }} the output would be:



      input:
      {{ $html }}

      output:
      <b>hi!</b>



      If you pass the safeHTML function, the html will evaluate and the output would be:



      input:
      {{ $html | safeHTML }}

      output:
      hi!



      Is there a way to parse a Golang variable? Like this:

      If I try this:
      {{ $var1 := "it's me!" }}
      {{ $var2 := "hey guys, {{ $var1 }}" }}



      This would happen:

      input:
      {{ $var2 }}

      output:
      "hey guys, {{ $var 1 }}"



      But I want the $var1 value to be evaluated, like this:
      "hey guys, it's me!"



      Sorry if I wasn't clear enough, I'm not a native english speaker



      Thanks for the help!










      share|improve this question














      It is better to ask this question with an example:



      First, lets declare a variable in Golang:



      {{ $html := "<b>hi!</b>" }}



      If we try to output {{ $html }} the output would be:



      input:
      {{ $html }}

      output:
      <b>hi!</b>



      If you pass the safeHTML function, the html will evaluate and the output would be:



      input:
      {{ $html | safeHTML }}

      output:
      hi!



      Is there a way to parse a Golang variable? Like this:

      If I try this:
      {{ $var1 := "it's me!" }}
      {{ $var2 := "hey guys, {{ $var1 }}" }}



      This would happen:

      input:
      {{ $var2 }}

      output:
      "hey guys, {{ $var 1 }}"



      But I want the $var1 value to be evaluated, like this:
      "hey guys, it's me!"



      Sorry if I wasn't clear enough, I'm not a native english speaker



      Thanks for the help!







      go






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 13 '18 at 22:02









      Fernando SalaroliFernando Salaroli

      82




      82
























          2 Answers
          2






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          0














          You can do



           {{ $var2 := (printf "hey guys, %v" $var1) }}


          https://play.golang.org/p/D_OOE7LqOrw






          share|improve this answer
























          • Worked, thanks!

            – Fernando Salaroli
            Nov 14 '18 at 14:26



















          0














          "Safe" is the default mode for HTML templates in Go.



          If you have a variable with special HTML characters, they are escaped on output, rendering them completely safe. This is different than stripping HTML tags, though, which your example seems to do. If you want to strip HTML tags, rather than escaping HTML characters, you'll need to write your own function.



          If you want to disable safe behavior, and output raw HTML, use the template.HTML type.






          share|improve this answer























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            2 Answers
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            active

            oldest

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            2 Answers
            2






            active

            oldest

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            active

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            active

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            0














            You can do



             {{ $var2 := (printf "hey guys, %v" $var1) }}


            https://play.golang.org/p/D_OOE7LqOrw






            share|improve this answer
























            • Worked, thanks!

              – Fernando Salaroli
              Nov 14 '18 at 14:26
















            0














            You can do



             {{ $var2 := (printf "hey guys, %v" $var1) }}


            https://play.golang.org/p/D_OOE7LqOrw






            share|improve this answer
























            • Worked, thanks!

              – Fernando Salaroli
              Nov 14 '18 at 14:26














            0












            0








            0







            You can do



             {{ $var2 := (printf "hey guys, %v" $var1) }}


            https://play.golang.org/p/D_OOE7LqOrw






            share|improve this answer













            You can do



             {{ $var2 := (printf "hey guys, %v" $var1) }}


            https://play.golang.org/p/D_OOE7LqOrw







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Nov 13 '18 at 22:37









            davedave

            34.8k13664




            34.8k13664













            • Worked, thanks!

              – Fernando Salaroli
              Nov 14 '18 at 14:26



















            • Worked, thanks!

              – Fernando Salaroli
              Nov 14 '18 at 14:26

















            Worked, thanks!

            – Fernando Salaroli
            Nov 14 '18 at 14:26





            Worked, thanks!

            – Fernando Salaroli
            Nov 14 '18 at 14:26













            0














            "Safe" is the default mode for HTML templates in Go.



            If you have a variable with special HTML characters, they are escaped on output, rendering them completely safe. This is different than stripping HTML tags, though, which your example seems to do. If you want to strip HTML tags, rather than escaping HTML characters, you'll need to write your own function.



            If you want to disable safe behavior, and output raw HTML, use the template.HTML type.






            share|improve this answer




























              0














              "Safe" is the default mode for HTML templates in Go.



              If you have a variable with special HTML characters, they are escaped on output, rendering them completely safe. This is different than stripping HTML tags, though, which your example seems to do. If you want to strip HTML tags, rather than escaping HTML characters, you'll need to write your own function.



              If you want to disable safe behavior, and output raw HTML, use the template.HTML type.






              share|improve this answer


























                0












                0








                0







                "Safe" is the default mode for HTML templates in Go.



                If you have a variable with special HTML characters, they are escaped on output, rendering them completely safe. This is different than stripping HTML tags, though, which your example seems to do. If you want to strip HTML tags, rather than escaping HTML characters, you'll need to write your own function.



                If you want to disable safe behavior, and output raw HTML, use the template.HTML type.






                share|improve this answer













                "Safe" is the default mode for HTML templates in Go.



                If you have a variable with special HTML characters, they are escaped on output, rendering them completely safe. This is different than stripping HTML tags, though, which your example seems to do. If you want to strip HTML tags, rather than escaping HTML characters, you'll need to write your own function.



                If you want to disable safe behavior, and output raw HTML, use the template.HTML type.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Nov 14 '18 at 8:08









                FlimzyFlimzy

                38.1k96597




                38.1k96597






























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