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Using JS string interpolation inside @raw in template content throws "Unexpected end of template expression"

See original GitHub issue

Hey,

I was trying to @raw to include a script in my page, which was part of a template (a basic root template with <html> tags, etc). Inside the script block I used JS string interpolation e.g. console.log(`hello ${name}`). Unfortunately this threw an exception, detailed below.

Minimal reproducable example:

testroot.jte:

@import gg.jte.Content

@param Content content

<head>
    <title>Test</title>
</head>
<body>
<div class="content">
    ${content}
</div>
</body>

testraw.jte:

@template.testroot(
content = @`
    <p>Hello World!</p>
    @raw
    <script>
        const hello = "Hello!"
        console.log(`${hello}`)
    </script>
    @endraw
`
)

(In the real example, I had included the script as a separate parameter passed to the template, which also failed)

Would you happen to know what’s going on here? Thanks!

Exception encountered:

gg.jte.TemplateException: Failed to compile testraw.jte, error at line 7: Unexpected end of template expression
	at gg.jte.compiler.java.JavaCodeGenerator.onError(JavaCodeGenerator.java:221)
	at gg.jte.compiler.TemplateParser.extractTextPart(TemplateParser.java:446)
	at gg.jte.compiler.TemplateParser.doParse(TemplateParser.java:359)
	at gg.jte.compiler.TemplateParser.parse(TemplateParser.java:94)
	at gg.jte.compiler.java.JavaCodeGenerator$ContentProcessor.writeJavaCode(JavaCodeGenerator.java:573)
	at gg.jte.compiler.java.JavaCodeGenerator$ContentProcessor.process(JavaCodeGenerator.java:547)
	at gg.jte.compiler.java.JavaCodeGenerator.writeJavaCodeWithContentSupport(JavaCodeGenerator.java:429)
	at gg.jte.compiler.java.JavaCodeGenerator.appendParam(JavaCodeGenerator.java:482)
	at gg.jte.compiler.java.JavaCodeGenerator.appendParams(JavaCodeGenerator.java:470)
	at gg.jte.compiler.java.JavaCodeGenerator.onTemplateCall(JavaCodeGenerator.java:388)
	at gg.jte.compiler.TemplateParser.lambda$doParse$3(TemplateParser.java:257)
	at gg.jte.compiler.TemplateParser.extract(TemplateParser.java:947)
	at gg.jte.compiler.TemplateParser.doParse(TemplateParser.java:257)
	at gg.jte.compiler.TemplateParser.parse(TemplateParser.java:94)
	at gg.jte.compiler.TemplateParser.parse(TemplateParser.java:89)
	at gg.jte.compiler.TemplateCompiler.generateTemplateCall(TemplateCompiler.java:299)
	at gg.jte.compiler.TemplateCompiler.generate(TemplateCompiler.java:218)
	at gg.jte.compiler.TemplateCompiler.precompile(TemplateCompiler.java:142)
	at gg.jte.compiler.TemplateCompiler.load(TemplateCompiler.java:45)
	...

Issue Analytics

State:
Created a year ago
Comments:5 (4 by maintainers)

Top GitHub Comments

1reaction

dwraggecommented, Jul 3, 2022

Hey @casid, thanks for the prompt fix! I have tested it out locally and the fix works a charm.

I might have explained poorly - the other example I was still using @raw, just passing it as another param in the template instead of content. E.g.

@param gg.jte.Content title
@param gg.jte.Content content
@param gg.jte.Content script = @``

<!doctype html>
<html lang="en">
<head>
    <title>${title}</title>
    <meta charset="utf-8">
</head>
<body>
<div class="content">
    ${content}
</div>
${script}
</body>
</html>

Using @raw here with your fix works a charm. Having a separate file would definitely work - but the script is still quite small and having it next to the HTML is kinda nice (and I’m lazy :p)

Thanks for all your work on JTE - it has been an absolute joy to use!

0reactions

casidcommented, Jul 8, 2022

I just released version 2.1.2 to maven central, including this fix 😃