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paulfairless / grails-lesscss-resources

Grails plugin for using the LESS CSS framework in conjunction with the grails-resource plugin family
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Compilation error with "&:extend" #55

Closed dosaki closed 10 years ago

dosaki commented 10 years ago

Hello,

There seems to be a problem when dealing with less files that use "&:extend" inside of a less class. I came across this problem while attempting to use lesscss-resources to compile bootstrap.

Is this issue known? (or is it even an issue?)

This is my module configuration:

bootstrap {
        resource url:'less/bootstrap/less/bootstrap.less', attrs:[rel: "stylesheet/less", type:'css'], bundle:'bundle_bootstrap'
        resource url:'css/empty.css'
    }
}

This is the block where the compilation fails (at &:extend(.clearfix all);)

// Centered container element
.container-fixed() {
  margin-right: auto;
  margin-left: auto;
  padding-left:  (@grid-gutter-width / 2);
  padding-right: (@grid-gutter-width / 2);
  &:extend(.clearfix all);
}

This is the error that I get:

[pool-3-thread-1] resourceMappers.LesscssResourceMapper error compiling less file: /tmp/Jetty_0_0_0_0_8080_web.app____.63hdfb/grails-resources/less/bootstrap/less/bootstrap.less
org.lesscss.LessException: Syntax Error on line 1474
    at org.lesscss.LessCompiler.compile(LessCompiler.java:283)
    at org.lesscss.LessCompiler.compile(LessCompiler.java:335)
    at org.lesscss.LessCompiler.compile(LessCompiler.java:359)
    at org.lesscss.LessCompiler.compile(LessCompiler.java:325)
    at org.lesscss.LessCompiler.compile(LessCompiler.java:312)
    at LesscssResourceMapper.map(LesscssResourceMapper.groovy:35)
    at org.grails.plugin.resource.mapper.ResourceMapper.invoke(ResourceMapper.groovy:139)
    at org.grails.plugin.resource.mapper.ResourceMapper.invokeIfNotExcluded(ResourceMapper.groovy:128)
    at org.grails.plugin.resource.ResourceProcessor.applyMappers(ResourceProcessor.groovy:576)
    at org.grails.plugin.resource.ResourceProcessor.prepareResource(ResourceProcessor.groovy:543)
    at org.grails.plugin.resource.ResourceProcessor$_prepareSingleDeclaredResource_closure13.doCall(ResourceProcessor.groovy:600)
    at org.grails.plugin.resource.util.ResourceMetaStore.addDeclaredResource(ResourceMetaStore.groovy:29)
    at org.grails.plugin.resource.ResourceProcessor.prepareSingleDeclaredResource(ResourceProcessor.groovy:598)
    at org.grails.plugin.resource.ResourceProcessor$_prepareResourceBatch_closure15.doCall(ResourceProcessor.groovy:623)
    at org.grails.plugin.resource.ResourceProcessorBatch.each(ResourceProcessorBatch.groovy:8)
    at org.grails.plugin.resource.ResourceProcessor.prepareResourceBatch(ResourceProcessor.groovy:619)
    at org.grails.plugin.resource.ResourceProcessor.resourcesChanged(ResourceProcessor.groovy:778)
    at org.grails.plugin.resource.ResourceProcessor.loadResources(ResourceProcessor.groovy:815)
    at org.grails.plugin.resource.ResourceProcessor.reloadChangedFiles(ResourceProcessor.groovy:987)
    at ResourcesGrailsPlugin$_closure4_closure20.doCall(ResourcesGrailsPlugin.groovy:206)
    at ResourcesGrailsPlugin$_triggerReload_closure7.doCall(ResourcesGrailsPlugin.groovy:192)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
    at java.util.concurrent.FutureTask.run(FutureTask.java:166)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:165)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:701)
Caused by: org.mozilla.javascript.JavaScriptException: [object Object] (doIt.js#1)
    at org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:1018)
    at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:815)
    at org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:109)
    at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:394)
    at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3091)
    at org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:107)
    at org.lesscss.LessCompiler.compile(LessCompiler.java:270)
    ... 28 more

I wasn't sure where I should have reported this so I'm sorry if this should have been reported in Java Less Compiler

timbonicus commented 10 years ago

It's related to #51 - extend is a LESS 1.4 feature, the plugin is still on LESS 1.3.

dosaki commented 10 years ago

Ah thanks. I'll close this issue then.