[resolvers/node] [Refactor] use is-core-module directly

Author: ljharb

resolvers/README.md

@@ -68,16 +68,17 @@ If the resolver cannot resolve `source` relative to `file`, it should just retur
 Here is most of the [Node resolver] at the time of this writing. It is just a wrapper around substack/Browserify's synchronous [`resolve`]:
 
 ```js
-var resolve = require('resolve')
+var resolve = require('resolve');
+var isCoreModule = require('is-core-module');
 
 exports.resolve = function (source, file, config) {
-  if (resolve.isCore(source)) return { found: true, path: null }
+  if (isCoreModule(source)) return { found: true, path: null };
   try {
-    return { found: true, path: resolve.sync(source, opts(file, config)) }
+    return { found: true, path: resolve.sync(source, opts(file, config)) };
   } catch (err) {
-    return { found: false }
+    return { found: false };
   }
-}
+};
 ```
 
 [Node resolver]: ./node/index.js

resolvers/node/index.js

@@ -1,6 +1,7 @@
 'use strict';
 
 const resolve = require('resolve');
+const isCoreModule = require('is-core-module');
 const path = require('path');
 
 const log = require('debug')('eslint-plugin-import:resolver:node');
@@ -11,7 +12,7 @@ exports.resolve = function (source, file, config) {
   log('Resolving:', source, 'from:', file);
   let resolvedPath;
 
-  if (resolve.isCore(source)) {
+  if (isCoreModule(source)) {
     log('resolved to core');
     return { found: true, path: null };
   }

resolvers/node/package.json

@@ -30,6 +30,7 @@
   "homepage": "https://github.com/import-js/eslint-plugin-import",
   "dependencies": {
     "debug": "^3.2.7",
+    "is-core-module": "^2.11.0",
     "resolve": "^1.22.1"
   },
   "devDependencies": {