From b476b8da7769c95d2709b67652a1efe4d396a734 Mon Sep 17 00:00:00 2001
From: Niklas Molnes Hole <nikasmh@hotmail.com>
Date: Wed, 27 Jan 2021 09:09:02 +0100
Subject: [PATCH 1/2] Change class name regex to include all valid characters
 in CSS selectors

---
 src/utils.js       |  2 +-
 test/utils.test.js | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/utils.js b/src/utils.js
index 3454110..acd7228 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -7,7 +7,7 @@ const camelCase = require("camelcase");
  * @returns {string[]}
  */
 const getCssModuleKeys = (content) => {
-  const keyRegex = /"([\w-]+)":/g;
+  const keyRegex = /"([^:")][^")]*)":/g;
   let match;
   const cssModuleKeys = [];
 
diff --git a/test/utils.test.js b/test/utils.test.js
index 8170bdd..ba40c8c 100644
--- a/test/utils.test.js
+++ b/test/utils.test.js
@@ -60,4 +60,14 @@ describe("getCssModuleKeys", () => {
     const actual = getCssModuleKeys(content);
     expect(actual).toEqual([]);
   });
+
+  it("CSS module with special class names", () => {
+    const content = `.locals = {
+      "øæå": "nordic",
+      "+~@": "special",
+      "f\\'o\\'o": "escaped",
+    };`;
+    const actual = getCssModuleKeys(content);
+    expect(actual).toEqual(["øæå", "+~@", "f\\'o\\'o"]);
+  });
 });

From d93ac479001c2b3a47ba44a6ffcc4e9e3c4b0cae Mon Sep 17 00:00:00 2001
From: Niklas Molnes Hole <nikasmh@hotmail.com>
Date: Wed, 27 Jan 2021 10:48:20 +0100
Subject: [PATCH 2/2] Ignore keys with newlines (this will solve all previous
 errors)

---
 src/utils.js       | 2 +-
 test/utils.test.js | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/utils.js b/src/utils.js
index acd7228..8cc032c 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -7,7 +7,7 @@ const camelCase = require("camelcase");
  * @returns {string[]}
  */
 const getCssModuleKeys = (content) => {
-  const keyRegex = /"([^:")][^")]*)":/g;
+  const keyRegex = /"([^"\n]+)":/g;
   let match;
   const cssModuleKeys = [];
 
diff --git a/test/utils.test.js b/test/utils.test.js
index ba40c8c..2daa072 100644
--- a/test/utils.test.js
+++ b/test/utils.test.js
@@ -70,4 +70,13 @@ describe("getCssModuleKeys", () => {
     const actual = getCssModuleKeys(content);
     expect(actual).toEqual(["øæå", "+~@", "f\\'o\\'o"]);
   });
+
+  it("CSS module with newline in class names should be ignored", () => {
+    const content = `.locals = {
+      "line1
+line2": "twolinesdoesnotmakesense"
+    };`;
+    const actual = getCssModuleKeys(content);
+    expect(actual).toEqual([]);
+  });
 });