fix(no-unsupported): Correctly handle recursive objects on a per module basis (#396)

Author: scagood

lib/util/enumerate-property-names.js

@@ -15,15 +15,16 @@ const unprefixNodeColon = require("./unprefix-node-colon")
  * Enumerate property names of a given object recursively.
  * @param {TraceMap} traceMap The map for APIs to enumerate.
  * @param {string[]} [path] The path to the current map.
- * @param {WeakSet<TraceMap>} [recursionSet] A WeakSet used to block recursion (eg Module, Module.Module, Module.Module.Module)
+ * @param {{ [key: string]: WeakSet<TraceMap> }} [recursion] An object to block recursion (per module)
  * @returns {IterableIterator<string>} The property names of the map.
  */
-function* enumeratePropertyNames(
-    traceMap,
-    path = [],
-    recursionSet = new WeakSet()
-) {
-    if (recursionSet.has(traceMap)) {
+function* enumeratePropertyNames(traceMap, path = [], recursion = {}) {
+    const recursionSet =
+        typeof path[0] === "string"
+            ? (recursion[path[0]] ??= new WeakSet())
+            : undefined
+
+    if (recursionSet?.has(traceMap)) {
         return
     }
 
@@ -48,11 +49,8 @@ function* enumeratePropertyNames(
             yield childName
         }
 
-        yield* enumeratePropertyNames(
-            childValue,
-            childPath,
-            recursionSet.add(traceMap)
-        )
+        recursionSet?.add(traceMap)
+        yield* enumeratePropertyNames(childValue, childPath, recursion)
     }
 }
 

tests/lib/rules/no-unsupported-features/node-builtins.js

@@ -4,13 +4,58 @@
  */
 "use strict"
 
+/** @import { Linter } from 'eslint' */
+
 const RuleTester = require("../../../test-helpers").RuleTester
 const rule = require("../../../../lib/rules/no-unsupported-features/node-builtins")
 
+/**
+ * @typedef ValidTestCase
+ * @property {string} [name]
+ * @property {string} code
+ * @property {any} [options]
+ * @property {string | undefined} [filename]
+ * @property {boolean} [only]
+ * @property {Linter.LanguageOptions | undefined} [languageOptions]
+ * @property {{ [name: string]: any } | undefined} [settings]
+ */
+/**
+ * @typedef SuggestionOutput
+ * @property {string} [messageId]
+ * @property {string} [desc]
+ * @property {Record<string, unknown> | undefined} [data]
+ * @property {string} output
+ */
+/**
+ * @typedef InvalidTestExtras
+ * @property {number | Array<TestCaseError | string>} errors
+ * @property {string | null | undefined} [output]
+ */
+/**
+ * @typedef {ValidTestCase & InvalidTestExtras} InvalidTestCase
+ */
+/**
+ * @typedef TestCaseError
+ * @property {string | RegExp} [message]
+ * @property {string} [messageId]
+ * @property {string | undefined} [type]
+ * @property {any} [data]
+ * @property {number | undefined} [line]
+ * @property {number | undefined} [column]
+ * @property {number | undefined} [endLine]
+ * @property {number | undefined} [endColumn]
+ * @property {SuggestionOutput[] | undefined} [suggestions]
+ */
+/**
+ * @typedef Pattern
+ * @property {ValidTestCase[]} [valid]
+ * @property {InvalidTestCase[]} [invalid]
+ */
+
 /**
  * Concatenate patterns.
- * @param {Array<{valid:Array,invalid:Array}>} patterns The patterns to concat.
- * @returns {{valid:Array,invalid:Array}} The concatenated patterns.
+ * @param {Pattern[]} patterns The patterns to concat.
+ * @returns {Pattern} The concatenated patterns.
  */
 function concat(patterns) {
     const ret = {
@@ -5372,6 +5417,47 @@ new RuleTester({ languageOptions: { sourceType: "module" } }).run(
             ],
         },
 
+        //----------------------------------------------------------------------
+        // timers/promises
+        //----------------------------------------------------------------------
+        {
+            valid: [
+                {
+                    code: `
+                        import { scheduler } from 'node:timers/promises';
+                        await scheduler.wait( 1000 );
+                    `,
+                    options: [
+                        {
+                            version: ">= 20.0.0",
+                            ignores: ["timers/promises.scheduler.wait"],
+                        },
+                    ],
+                    languageOptions: { ecmaVersion: "latest" },
+                },
+            ],
+            invalid: [
+                {
+                    code: `
+                        import { scheduler } from 'node:timers/promises';
+                        await scheduler.wait( 1000 );
+                    `,
+                    options: [{ version: ">= 20.0.0" }],
+                    languageOptions: { ecmaVersion: "latest" },
+
+                    errors: [
+                        {
+                            messageId: "not-supported-yet",
+                            data: {
+                                name: "timers/promises.scheduler.wait",
+                                version: ">= 20.0.0",
+                            },
+                        },
+                    ],
+                },
+            ],
+        },
+
         {
             valid: [
                 {