feat: utils add winEOL (umijs#50)

packages/utils/src/index.ts

@@ -53,6 +53,7 @@ export { default as mergeConfig } from './mergeConfig/mergeConfig';
 export { default as isLernaPackage } from './isLernaPackage/isLernaPackage';
 export { default as getFile } from './getFile/getFile';
 export { default as winPath } from './winPath/winPath';
+export { default as winEOL } from './winEOL/winEOL';
 export { default as parseRequireDeps } from './parseRequireDeps/parseRequireDeps';
 export { default as BabelRegister } from './BabelRegister/BabelRegister';
 export { default as Generator } from './Generator/Generator';

packages/utils/src/winEOL/winEOL.test.ts

@@ -0,0 +1,16 @@
+import winEOL from './winEOL';
+
+const isWindows =
+  typeof process !== 'undefined' && process.platform === 'win32';
+
+test('normal', () => {
+  if (isWindows) {
+    expect(winEOL('a \r\n b')).toEqual('a \n b');
+    expect(winEOL('成 \r\n b')).toEqual('成 \n b');
+    expect(winEOL('🍟 \r\n 🍔')).toEqual('🍟 \n 🍔');
+  } else {
+    expect(winEOL('a \n b')).toEqual('a \n b');
+    expect(winEOL('成 \n b')).toEqual('成 \n b');
+    expect(winEOL('🍟 \n 🍔')).toEqual('🍟 \n 🍔');
+  }
+});

packages/utils/src/winEOL/winEOL.ts

@@ -0,0 +1,16 @@
+// 在windows环境下，很多工具都会把换行符lf自动改成crlf
+// 为了测试精准需要将换行符转化一下
+// https://github.com/cssmagic/blog/issues/22
+
+/**
+ * Convert Windows crlf to lf (\r\n to \n)
+ * @param content
+ */
+export default (content: string | undefined) => {
+  const isWindows =
+    typeof process !== 'undefined' && process.platform === 'win32';
+  if (typeof content !== 'string') {
+    return content;
+  }
+  return isWindows ? content.replace(/\r/g, '') : content;
+};