From faead480aceb8a07e2812244d351cdc5d57fa0ad Mon Sep 17 00:00:00 2001
From: Lukas Oppermann <lukasoppermann@github.com>
Date: Tue, 3 Sep 2024 11:15:53 +0200
Subject: [PATCH] fix commonJs format (#1043)

* fix commonJs format

* added changeset
---
 .changeset/bright-lions-push.md        | 5 +++++
 integration/integration.test.ts        | 2 +-
 package.json                           | 3 ++-
 src/formats/javascriptCommonJs.test.ts | 4 ++--
 src/formats/javascriptCommonJs.ts      | 2 +-
 5 files changed, 11 insertions(+), 5 deletions(-)
 create mode 100644 .changeset/bright-lions-push.md

diff --git a/.changeset/bright-lions-push.md b/.changeset/bright-lions-push.md
new file mode 100644
index 000000000..13753069b
--- /dev/null
+++ b/.changeset/bright-lions-push.md
@@ -0,0 +1,5 @@
+---
+'@primer/primitives': patch
+---
+
+Update exports.default to module.exports in commonJs
diff --git a/integration/integration.test.ts b/integration/integration.test.ts
index f2cfdbf96..1976da613 100644
--- a/integration/integration.test.ts
+++ b/integration/integration.test.ts
@@ -167,7 +167,7 @@ describe('PrimerStyleDictionary', () => {
 
   it('runs commonJs format', () => {
     const output = fs.readFileSync(`${basePath}/build/js/common.js`, 'utf8')
-    const expectedOutput = `exports.default = {
+    const expectedOutput = `module.exports = {
   PREFIX: {
     base: {
       color: {
diff --git a/package.json b/package.json
index b09c59a4e..2209cbb46 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,8 @@
     "prepack": "npm run build",
     "release": "changeset publish",
     "start:storybook": "npm run build && cd docs/storybook && npm run storybook",
-    "test": "vitest run --coverage",
+    "test": "npm run test:unit && npm run test:integration",
+    "test:unit": "vitest run --coverage",
     "test:integration": "vitest run -r integration"
   },
   "prettier": "@github/prettier-config",
diff --git a/src/formats/javascriptCommonJs.test.ts b/src/formats/javascriptCommonJs.test.ts
index befd3aac5..995ff0b58 100644
--- a/src/formats/javascriptCommonJs.test.ts
+++ b/src/formats/javascriptCommonJs.test.ts
@@ -11,7 +11,7 @@ describe('Format: CommonJs', () => {
     })
 
     const expectedOutput = syncPrettier.format(
-      `exports.default = {
+      `module.exports = {
       test: {
         tokens: {
           subgroup: {
@@ -29,7 +29,7 @@ describe('Format: CommonJs', () => {
   it('Formats tokens without prefix', () => {
     const input = getMockFormatterArguments()
     const expectedOutput = syncPrettier.format(
-      `exports.default = {
+      `module.exports = {
       tokens: {
         subgroup: {
           red: "transformedValue",
diff --git a/src/formats/javascriptCommonJs.ts b/src/formats/javascriptCommonJs.ts
index 2570573b0..aa0bdb09a 100644
--- a/src/formats/javascriptCommonJs.ts
+++ b/src/formats/javascriptCommonJs.ts
@@ -15,7 +15,7 @@ export const javascriptCommonJs: StyleDictionary.Formatter = ({dictionary, file,
   // add prefix if defined
   const tokens = prefixTokens(dictionary.tokens, platform)
   // add file header and convert output
-  const output = `${fileHeader({file})}exports.default = ${JSON.stringify(jsonToNestedValue(tokens), null, 2)}\n`
+  const output = `${fileHeader({file})}module.exports = ${JSON.stringify(jsonToNestedValue(tokens), null, 2)}\n`
   // return prettified
   return syncPrettier.format(output, {parser: 'typescript', printWidth: 500})
 }