Fix writing buffers

Buffers are not stringified before passed to the archive.
The archiver handles Buffers just fine.

Fixed a typo in .gitignore

Pass ncc options in the same object instead of as a separate argument.

.gitignore

@@ -42,7 +42,7 @@ typings/
 # Optional npm cache directory
 .npm
 
-# Optional efslint cache
+# Optional eslint cache
 .eslintcache
 
 # Optional REPL history

src/compiler.ts

@@ -1,5 +1,5 @@
 import zeitNcc from '@zeit/ncc';
 
-export default async function compile({ inputFilePath }: { inputFilePath: string }, opts: any) {
-  return zeitNcc(inputFilePath, { minify: false, ...opts });
+export default async function compile({ inputFilePath, ...options }: { inputFilePath: string, [key: string]: any }) {
+  return zeitNcc(inputFilePath, { minify: false, ...options });
 }

src/index.ts

@@ -38,7 +38,7 @@ export default class ServerlessPlugin {
     const packagingPromises = packageFilesConfig.map(async ({ zip, files }) => {
       // For now pass all ncc options directly to ncc. This has the benefit of testing out new
       // ncc releases and changes quickly. Later it would be nice to add a validation step in between.
-      const codeCompilePromises = files.map(({ absPath }) => compiler({ inputFilePath: absPath }, ncc));
+      const codeCompilePromises = files.map(({ absPath }) => compiler({ inputFilePath: absPath, ...ncc}));
       const compiledCodes = await Promise.all(codeCompilePromises);
       const zipperFiles = createZipperFiles(files, compiledCodes);
       await zipper({ zipPath: zip.absPath, zipContents: zipperFiles });
@@ -87,8 +87,7 @@ function createZipperFiles(files: IFileNameAndPath[], compiledCodes: CompiledOut
         }
 
         content.push({
-          // Not sure if utf8 is ok, Assets can be of any format...
-          data: compilerOutput.assets![assetName].source.toString('utf8'),
+          data: compilerOutput.assets![assetName].source,
           name: `${path}${ assetName }`,
         })
       })

src/zipper.ts

@@ -2,7 +2,7 @@ import fs from 'fs';
 import archiver from 'archiver';
 
 export type ZipContent = {
-  data: string;
+  data: string | Buffer;
   name: string;
 }