feat(linter): better schemas for allow/warn/deny (#4150)

crates/oxc_linter/src/config/rules.rs

@@ -39,10 +39,8 @@ impl JsonSchema for OxlintRules {
         #[derive(Debug, Clone, JsonSchema)]
         #[serde(untagged)]
         enum DummyRule {
-            #[schemars(range(min = 0, max = 2.0))]
+            Toggle(AllowWarnDeny),
-            Number(usize),
+            ToggleAndConfig(Vec<serde_json::Value>),
-            String(String),
-            Array(Vec<serde_json::Value>),
         }
         gen.subschema_for::<FxHashMap<String, DummyRule>>()
     }

crates/oxc_linter/src/options.rs

@@ -2,6 +2,7 @@ use std::{convert::From, path::PathBuf};
 
 use oxc_diagnostics::{Error, OxcDiagnostic, Severity};
 use rustc_hash::FxHashSet;
+use schemars::{schema::SchemaObject, JsonSchema};
 use serde_json::{Number, Value};
 
 use crate::{
@@ -200,6 +201,45 @@ impl TryFrom<&Number> for AllowWarnDeny {
     }
 }
 
+impl JsonSchema for AllowWarnDeny {
+    fn schema_name() -> String {
+        "AllowWarnDeny".to_string()
+    }
+
+    fn schema_id() -> std::borrow::Cow<'static, str> {
+        "AllowWarnDeny".into()
+    }
+
+    fn json_schema(gen: &mut schemars::gen::SchemaGenerator) -> schemars::schema::Schema {
+        let mut string_schema = <String as JsonSchema>::json_schema(gen).into_object();
+        string_schema.enum_values =
+            Some(vec!["allow".into(), "off".into(), "warn".into(), "error".into(), "deny".into()]);
+        string_schema.metadata().description = Some(
+            r#"Oxlint rule.
+- "allow" or "off": Turn off the rule.
+- "warn": Turn the rule on as a warning (doesn't affect exit code).
+- "error" or "deny": Turn the rule on as an error (will exit with a failure code)."#
+                .to_string(),
+        );
+        let mut int_schema = <u32 as JsonSchema>::json_schema(gen).into_object();
+        int_schema.number().minimum = Some(0.0);
+        int_schema.number().maximum = Some(2.0);
+        int_schema.metadata().description = Some(
+            "Oxlint rule.
+    
+- 0: Turn off the rule.
+- 1: Turn the rule on as a warning (doesn't affect exit code).
+- 2: Turn the rule on as an error (will exit with a failure code)."
+                .to_string(),
+        );
+
+        let mut schema = SchemaObject::default();
+        schema.subschemas().one_of = Some(vec![string_schema.into(), int_schema.into()]);
+
+        schema.into()
+    }
+}
+
 impl From<AllowWarnDeny> for Severity {
     fn from(value: AllowWarnDeny) -> Self {
         match value {

crates/oxc_linter/src/snapshots/schema_json.snap

@@ -27,6 +27,28 @@ expression: json
     }
   },
   "definitions": {
+    "AllowWarnDeny": {
+      "oneOf": [
+        {
+          "description": "Oxlint rule.\n- \"allow\" or \"off\": Turn off the rule.\n- \"warn\": Turn the rule on as a warning (doesn't affect exit code).\n- \"error\" or \"deny\": Turn the rule on as an error (will exit with a failure code).",
+          "type": "string",
+          "enum": [
+            "allow",
+            "off",
+            "warn",
+            "error",
+            "deny"
+          ]
+        },
+        {
+          "description": "Oxlint rule.\n    \n- 0: Turn off the rule.\n- 1: Turn the rule on as a warning (doesn't affect exit code).\n- 2: Turn the rule on as an error (will exit with a failure code).",
+          "type": "integer",
+          "format": "uint32",
+          "maximum": 2.0,
+          "minimum": 0.0
+        }
+      ]
+    },
     "CustomComponent": {
       "anyOf": [
         {
@@ -70,12 +92,7 @@ expression: json
     "DummyRule": {
       "anyOf": [
         {
-          "type": "integer",
+          "$ref": "#/definitions/AllowWarnDeny"
-          "format": "uint",
-          "minimum": 0.0
-        },
-        {
-          "type": "string"
         },
         {
           "type": "array",

npm/oxlint/configuration_schema.json

@@ -23,6 +23,28 @@
     }
   },
   "definitions": {
+    "AllowWarnDeny": {
+      "oneOf": [
+        {
+          "description": "Oxlint rule.\n- \"allow\" or \"off\": Turn off the rule.\n- \"warn\": Turn the rule on as a warning (doesn't affect exit code).\n- \"error\" or \"deny\": Turn the rule on as an error (will exit with a failure code).",
+          "type": "string",
+          "enum": [
+            "allow",
+            "off",
+            "warn",
+            "error",
+            "deny"
+          ]
+        },
+        {
+          "description": "Oxlint rule.\n    \n- 0: Turn off the rule.\n- 1: Turn the rule on as a warning (doesn't affect exit code).\n- 2: Turn the rule on as an error (will exit with a failure code).",
+          "type": "integer",
+          "format": "uint32",
+          "maximum": 2.0,
+          "minimum": 0.0
+        }
+      ]
+    },
     "CustomComponent": {
       "anyOf": [
         {
@@ -66,12 +88,7 @@
     "DummyRule": {
       "anyOf": [
         {
-          "type": "integer",
+          "$ref": "#/definitions/AllowWarnDeny"
-          "format": "uint",
-          "minimum": 0.0
-        },
-        {
-          "type": "string"
         },
         {
           "type": "array",