feat: Add a custom JSON schema provider for Oxc config files (#66)

src/main/kotlin/com/github/iwanabethatguy/oxcintellijplugin/Constants.kt

@@ -0,0 +1,7 @@
+package com.github.iwanabethatguy.oxcintellijplugin
+
+object Constants {
+
+    val CONFIG_FILES = listOf("oxlintrc.json", "oxlint.json", ".oxlintrc.json", ".oxlint.json",
+        ".oxlintrc")
+}

src/main/kotlin/com/github/iwanabethatguy/oxcintellijplugin/OxcSchemaProviderFactory.kt

@@ -0,0 +1,33 @@
+package com.github.iwanabethatguy.oxcintellijplugin
+
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.vfs.VirtualFile
+import com.jetbrains.jsonSchema.extension.JsonSchemaFileProvider
+import com.jetbrains.jsonSchema.extension.JsonSchemaProviderFactory
+import com.jetbrains.jsonSchema.extension.SchemaType
+import com.jetbrains.jsonSchema.remote.JsonFileResolver
+import org.jetbrains.annotations.Nls
+
+class OxcSchemaProviderFactory : JsonSchemaProviderFactory {
+
+    override fun getProviders(project: Project): List<JsonSchemaFileProvider?> {
+        return listOf(object : JsonSchemaFileProvider {
+            override fun isAvailable(file: VirtualFile): Boolean {
+                return Constants.CONFIG_FILES.contains(file.name)
+            }
+
+            override fun getName(): @Nls String {
+                return MyBundle.message("oxc.schema.name")
+            }
+
+            override fun getSchemaFile(): VirtualFile? {
+                return JsonFileResolver.urlToFile(
+                    "https://raw.githubusercontent.com/oxc-project/oxc/main/npm/oxlint/configuration_schema.json")
+            }
+
+            override fun getSchemaType(): SchemaType {
+                return SchemaType.remoteSchema
+            }
+        })
+    }
+}

src/main/resources/META-INF/plugin.xml

@@ -21,6 +21,11 @@
                 key="oxc.name"
                 />
     </extensions>
+
+    <extensions defaultExtensionNs="JavaScript">
+        <JsonSchema.ProviderFactory implementation="com.github.iwanabethatguy.oxcintellijplugin.OxcSchemaProviderFactory"/>
+    </extensions>
+
   <actions>
     <action id="com.github.iwanabethatguy.oxcintellijplugin.actions.RestartLanguageServer"
       class="com.github.iwanabethatguy.oxcintellijplugin.actions.RestartLanguageServer"/>

src/main/resources/messages/MyBundle.properties

@@ -1,3 +1,4 @@
 action.com.github.iwanabethatguy.oxcintellijplugin.actions.RestartLanguageServer.text=Restart Oxc Server
 
 oxc.name=Oxc
+oxc.schema.name=Oxc