[Fix] order: partial fix for #2687

Author: ljharb

src/rules/order.js

@@ -253,6 +253,7 @@ function makeOutOfOrderReport(context, imported) {
   if (!outOfOrder.length) {
     return;
   }
+
   // There are things to report. Try to minimize the number of reported errors.
   const reversedImported = reverse(imported);
   const reversedOrder = findOutOfOrder(reversedImported);
@@ -426,11 +427,12 @@ const types = ['builtin', 'external', 'internal', 'unknown', 'parent', 'sibling'
 // Example: { index: 0, sibling: 1, parent: 1, external: 1, builtin: 2, internal: 2 }
 // Will throw an error if it contains a type that does not exist, or has a duplicate
 function convertGroupsToRanks(groups) {
+  if (groups.length === 1) {
+    // TODO: remove this `if` and fix the bug
+    return convertGroupsToRanks(groups[0]);
+  }
   const rankObject = groups.reduce(function (res, group, index) {
-    if (typeof group === 'string') {
-      group = [group];
-    }
-    group.forEach(function (groupItem) {
+    [].concat(group).forEach(function (groupItem) {
       if (types.indexOf(groupItem) === -1) {
         throw new Error(`Incorrect configuration of the rule: Unknown type \`${JSON.stringify(groupItem)}\``);
       }
@@ -443,7 +445,7 @@ function convertGroupsToRanks(groups) {
   }, {});
 
   const omittedTypes = types.filter(function (type) {
-    return rankObject[type] === undefined;
+    return typeof rankObject[type] === 'undefined';
   });
 
   const ranks = omittedTypes.reduce(function (res, type) {

tests/src/core/importType.js

@@ -17,7 +17,11 @@ describe('importType(name)', function () {
 
   it("should return 'builtin' for node.js modules", function () {
     expect(importType('fs', context)).to.equal('builtin');
+    expect(importType('node:fs', context)).to.equal('builtin');
+    expect(importType('fs/promises', context)).to.equal('builtin');
+    expect(importType('node:fs/promises', context)).to.equal('builtin');
     expect(importType('path', context)).to.equal('builtin');
+    expect(importType('node:path', context)).to.equal('builtin');
   });
 
   it("should return 'external' for non-builtin modules without a relative path", function () {

tests/src/rules/order.js

@@ -3174,18 +3174,81 @@ context('TypeScript', function () {
                 import type { ParsedPath } from 'path';
               }
             `,
-            errors: [{
-              message: '`fs` type import should occur before type import of `path`',
-            }, {
-              message: '`fs` type import should occur before type import of `path`',
-            }],
+            errors: [
+              { message: '`fs` type import should occur before type import of `path`' },
+              { message: '`fs` type import should occur before type import of `path`' },
+            ],
             ...parserConfig,
             options: [
               {
                 alphabetize: { order: 'asc' },
               },
             ],
           }),
+
+          test({
+            code: `
+              import express from 'express';
+              import log4js from 'log4js';
+              import chpro from 'node:child_process';
+              // import fsp from 'node:fs/promises';
+            `,
+            output: `
+              import chpro from 'node:child_process';
+              import express from 'express';
+              import log4js from 'log4js';
+              // import fsp from 'node:fs/promises';
+            `,
+            options: [{
+              groups: [
+                'builtin',
+                'external',
+                'internal',
+                'parent',
+                'sibling',
+                'index',
+                'object',
+                'type',
+              ],
+            }],
+            errors: [
+              { message: '`node:child_process` import should occur before import of `express`' },
+              // { message: '`node:fs/promises` import should occur before import of `express`' },
+            ],
+          }),
+
+          test({
+            code: `
+              import express from 'express';
+              import log4js from 'log4js';
+              import chpro from 'node:child_process';
+              // import fsp from 'node:fs/promises';
+            `,
+            output: `
+              import chpro from 'node:child_process';
+              import express from 'express';
+              import log4js from 'log4js';
+              // import fsp from 'node:fs/promises';
+            `,
+            options: [{
+              groups: [
+                [
+                  'builtin',
+                  'external',
+                  'internal',
+                  'parent',
+                  'sibling',
+                  'index',
+                  'object',
+                  'type',
+                ],
+              ],
+            }],
+            errors: [
+              { message: '`node:child_process` import should occur before import of `express`' },
+              // { message: '`node:fs/promises` import should occur before import of `express`' },
+            ],
+          }),
         ],
       });
     });