Merge pull request #164 from kamecha/fix-eol-fileformat

Fix EOL handling in write via GinEdit

Author: lambdalisue

denops/gin/command/edit/write.ts

@@ -68,7 +68,8 @@ export async function exec(
   }
   try {
     await fs.copy(f, original);
-    const data = encode(`${content.join("\n")}\n`, fileencoding);
+    const eol = getEol(fileformat);
+    const data = encode(`${content.join(eol)}${eol}`, fileencoding);
     await Deno.writeFile(original, bomb ? addBom(data) : data);
     await fn.setbufvar(denops, bufnr, "&modified", 0);
     await execBare(denops, [
@@ -86,6 +87,19 @@ export async function exec(
   }
 }
 
+function getEol(fileformat: string): string {
+  switch (fileformat) {
+    case "dos":
+      return "\r\n";
+    case "unix":
+      return "\n";
+    case "mac":
+      return "\r";
+    default:
+      return "\n";
+  }
+}
+
 function encode(str: string, encoding: string): Uint8Array {
   const utf8Encoder = new TextEncoder();
   const utf8Bytes = utf8Encoder.encode(str);