[New] add support for sorting CJS exports assignments

Author: manuth

tests/src/rules/order.js

@@ -1218,6 +1218,20 @@ ruleTester.run('order', rule, {
         alphabetize: { order: 'asc' },
       }],
     }),
+    test({
+      code: `
+        module.exports.A = { };
+        module.exports.A.B = { };
+        module.exports.B = { };
+        exports.C = { };
+      `,
+      options: [{
+        named: {
+          cjsExports: true,
+        },
+        alphabetize: { order: 'asc' },
+      }],
+    }),
   ],
   invalid: [
     // builtin before external module (require)
@@ -2926,6 +2940,48 @@ ruleTester.run('order', rule, {
         message: '`c` export should occur after export of `b`',
       }],
     }),
+    test({
+      code: `
+        exports.B = { };
+        module.exports.A = { };
+        module.exports.C = { };
+      `,
+      output: `
+        module.exports.A = { };
+        exports.B = { };
+        module.exports.C = { };
+      `,
+      options: [{
+        named: {
+          cjsExports: true,
+        },
+        alphabetize: { order: 'asc' },
+      }],
+      errors: [{
+        message: '`A` export should occur before export of `B`',
+      }],
+    }),
+    test({
+      code: `
+        exports.A.C = { };
+        module.exports.A.A = { };
+        exports.A.B = { };
+      `,
+      output: `
+        module.exports.A.A = { };
+        exports.A.B = { };
+        exports.A.C = { };
+      `,
+      options: [{
+        named: {
+          cjsExports: true,
+        },
+        alphabetize: { order: 'asc' },
+      }],
+      errors: [{
+        message: '`A.C` export should occur after export of `A.B`',
+      }],
+    }),
     // Alphabetize with require
     ...semver.satisfies(eslintPkg.version, '< 3.0.0') ? [] : [
       test({