dollar-variable-colon-newline-after: allow !default for multiline vars

src/rules/dollar-variable-colon-newline-after/__tests__/index.js

@@ -1,4 +1,4 @@
-import rule, { ruleName, messages } from "..";
+import rule, { messages, ruleName } from "..";
 
 testRule(rule, {
   ruleName,
@@ -51,6 +51,24 @@ testRule(rule, {
       `,
       description: "always: should ignore Sass maps"
     },
+    {
+      code: `
+      $map: (
+        foo: 1,
+        bar: 2,
+      ) !default;
+      `,
+      description: "always: should ignore Sass maps that use !default"
+    },
+    {
+      code: `
+      $map: (
+        foo: 1,
+        bar: 2,
+      )!default;
+      `,
+      description: "always: should ignore Sass maps that use !default"
+    },
     {
       code: `
       $var: (
@@ -60,6 +78,16 @@ testRule(rule, {
       );
       `,
       description: "always: should ignore multiline variables"
+    },
+    {
+      code: `
+      $var: (
+        1 +
+        2 +
+        3
+      ) !default;
+      `,
+      description: "always: should ignore multiline variables that use !default"
     }
   ],
 
@@ -279,6 +307,16 @@ testRule(rule, {
       description:
         "always-multi-line: should allow Sass map using newline after colon"
     },
+    {
+      code: `
+      $map:\n(
+        foo: 1,
+        bar: 2,
+      ) !default;
+      `,
+      description:
+        "always-multi-line: should allow Sass map that use !default using newline after colon"
+    },
     {
       code: `
       $var:\r\n(
@@ -300,6 +338,16 @@ testRule(rule, {
       description:
         "always-multi-line: should allow using Sass map without a newline"
     },
+    {
+      code: `
+      $map: (
+        foo: 1,
+        bar: 2,
+      ) !default;
+      `,
+      description:
+        "always-multi-line: should allow using Sass map that use !default without a newline"
+    },
     {
       code: `
       $var: (

src/rules/dollar-variable-colon-newline-after/index.js

@@ -1,11 +1,11 @@
+import { isBoolean } from "lodash";
+import { utils } from "stylelint";
 import {
   declarationValueIndex,
   isSingleLineString,
   namespace,
   whitespaceChecker
 } from "../../utils";
-import { utils } from "stylelint";
-import { isBoolean } from "lodash";
 
 export const ruleName = namespace("dollar-variable-colon-newline-after");
 
@@ -47,9 +47,12 @@ export default function(expectation, options, context) {
       }
 
       const value = decl.value.trim();
+      const startsWithParen = value[0] === "(";
+      const endsWithParen = value[value.length - 1] === ")";
+      const endsWithDefault = /\)\s*!default$/.test(value);
       const isMultilineVarWithParens =
-        value[0] === "(" &&
-        value[value.length - 1] === ")" &&
+        startsWithParen &&
+        (endsWithParen || endsWithDefault) &&
         !isSingleLineString(value);
 
       if (isMultilineVarWithParens) {