fixes #241

README.md

@@ -136,6 +136,7 @@ Methods `binary`, `html`, `json`, `redirect`, `xml` can be returned directly
 - `response.getStatusCode()`- Get the status code of the response
 - `response.html(body)`- Build an html response
 - `response.json(body)`- Build a json response
+- `response.file(filePath, contentType)`- Sends file
 - `response.redirect(url, statusCode = 302)`- Build a redirect response
 - `response.setBinaryResponse(value)`- Set the response as a binary response for API Gateway
 - `response.setBody(body)`- Set the body of the response

src/lib/helpers/file.js

@@ -0,0 +1,4 @@
+const binary = require('./binary');
+const fs = require('fs');
+
+module.exports = (res, filePath, contentType) => binary(res, fs.readFileSync(filePath), contentType);

src/lib/response.js

@@ -1,6 +1,7 @@
 const binary = require('./helpers/binary');
 const enableCors = require('./helpers/enableCors');
 const html = require('./helpers/html');
+const file = require('./helpers/file');
 const json = require('./helpers/json');
 const redirect = require('./helpers/redirect');
 const setBinaryResponse = require('./setters/setBinaryResponse');
@@ -38,6 +39,11 @@ module.exports = () => {
       return this;
     },
     enableCors: () => enableCors(response),
+    file(filePath, contentType) {
+      file(response, filePath, contentType);
+
+      return this;
+    },
     html(body) {
       html(response, body);
 

tests/file.test.js

@@ -0,0 +1,25 @@
+const response = require('./../src/lib/response');
+const fs = require('fs');
+
+const svg = `<?xml version="1.0"><svg width="1" height="1" version="1.1" xmlns="http://www.w3.org/2000/svg"><rect x="0" y="0" width="1" height="1" fill="black" /></svg>`;
+
+beforeEach(() => {
+  fs.writeFileSync('temp.svg', Buffer.from(svg));
+});
+
+afterEach(() => {
+  fs.unlinkSync('temp.svg');
+});
+
+test('file response', () => {
+  const res = response();
+
+  res.file('temp.svg', 'image/svg+xml');
+
+  expect(res.getResponse()).toEqual({
+    body: Buffer.from(svg).toString('base64'),
+    headers: { 'Content-Type': 'image/svg+xml' },
+    isBase64Encoded: true,
+    statusCode: 200,
+  });
+});