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html/template: template.HTMLAttr value garbled in style attribute #27178

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bep opened this issue Aug 23, 2018 · 1 comment
Closed

html/template: template.HTMLAttr value garbled in style attribute #27178

bep opened this issue Aug 23, 2018 · 1 comment
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@bep
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bep commented Aug 23, 2018 •
edited 

▶ go version && go env
go version go1.11rc2 darwin/amd64
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/bep/Library/Caches/go-build"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOOS="darwin"
GOPATH="/Users/bep/go"
GOPROXY=""
GORACE=""
GOROOT="/usr/local/go"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD=""
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/n6/s_85mm8d31j6yctssnmn_g1r0000gn/T/go-build909831316=/tmp/go-build -gno-record-gcc-switches -fno-common"
▶ uname -a
Darwin MacBook-Pro.local 17.7.0 Darwin Kernel Version 17.7.0: Thu Jun 21 22:53:14 PDT 2018; root:xnu-4570.71.2~1/RELEASE_X86_64 x86_64
package main

import (
	"bytes"
	"html/template"
	"log"
	"strings"
)

func main() {
	data := map[string]interface{}{
		"style": template.HTMLAttr("background-image: url(../images/logo.png)"),
	}
	tpl := `
<section style="{{ .style }}">
</section>
`

	var buf bytes.Buffer
	tmpl, err := template.New("").Parse(tpl)
	if err != nil {
		log.Fatal(err)
	}

	if err := tmpl.Execute(&buf, data); err != nil {
		log.Fatal(err)
	}

	result := strings.TrimSpace(buf.String())

	if !strings.Contains(result, "background-image") {
		log.Fatal(result)
	}

}

The above program prints:

<section style="ZgotmplZ">
</section>
@bep
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bep commented Aug 23, 2018

Using template.CSSworks, which also is the correct for my use case. Closing this.

package main

import (
	"bytes"
	"html/template"
	"log"
	"strings"
)

func main() {
	data := map[string]interface{}{
		"style": template.CSS("background-image: url(../images/logo.png)"),
	}
	tpl := `
<section style="{{ .style }}">
</section>
`

	var buf bytes.Buffer
	tmpl, err := template.New("").Parse(tpl)
	if err != nil {
		log.Fatal(err)
	}

	if err := tmpl.Execute(&buf, data); err != nil {
		log.Fatal(err)
	}

	result := strings.TrimSpace(buf.String())

	if !strings.Contains(result, "background-image") {
		log.Fatal(result)
	}

}

@bep bep closed this as completed Aug 23, 2018
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