1 files changed, 11 insertions, 1 deletions

diff --git a/language-web/build.gradle b/language-web/build.gradle
index c467c019..1f1457d6 100644
--- a/language-web/build.gradle
+++ b/language-web/build.gradle
@@ -35,14 +35,24 @@ frontend {
         yarnEnabled = true
         yarnVersion = project.ext.yarnVersion
         yarnInstallDirectory = file("${rootDir}/.gradle/yarn")
-        assembleScript = 'run assemble'
+        assembleScript = 'run assemble:webpack'
 }
 
 def installFrontend = tasks.named('installFrontend')
 
+def generateLezerGrammar = tasks.register('generateLezerGrammar', RunNpmYarn) {
+        dependsOn installFrontend
+        inputs.file('src/main/js/editor/problem.grammar')
+        inputs.files('package.json', 'yarn.lock')
+        outputs.file "${buildDir}/generated/sources/lezer/problem.ts"
+        outputs.file "${buildDir}/generated/sources/lezer/problem.terms.ts"
+        script = 'run assemble:lezer'
+}
+
 def assembleFrontend = tasks.named('assembleFrontend')
 assembleFrontend.configure {
         dependsOn generateXtextLanguage
+        dependsOn generateLezerGrammar
         inputs.dir 'src/main/css'
         inputs.dir 'src/main/html'
         inputs.dir 'src/main/js'