Revert "temporary fix for T2892 (`const` gives "read-only" error)"

This reverts commit c4045e3de6.

package.json

@@ -69,9 +69,6 @@
     "xo": "*"
   },
   "xo": {
-    "esnext": true,
-    "rules": {
-      "prefer-const": 0
-    }
+    "esnext": true
   }
 }

test/gzip.js

@@ -3,7 +3,7 @@ import test from 'ava';
 import got from '../';
 import {createServer} from './helpers/server';
 
-let testContent = 'Compressible response content.\n';
+const testContent = 'Compressible response content.\n';
 
 let s;
 

test/headers.js

@@ -16,12 +16,12 @@ test.before('setup', async () => {
 });
 
 test('user-agent', async t => {
-	let headers = (await got(s.url, {json: true})).body;
+	const headers = (await got(s.url, {json: true})).body;
 	t.is(headers['user-agent'], 'https://github.com/sindresorhus/got');
 });
 
 test('accept-encoding', async t => {
-	let headers = (await got(s.url, {json: true})).body;
+	const headers = (await got(s.url, {json: true})).body;
 	t.is(headers['accept-encoding'], 'gzip,deflate');
 });
 
@@ -34,17 +34,17 @@ test('accept header with json option', async t => {
 });
 
 test('host', async t => {
-	let headers = (await got(s.url, {json: true})).body;
+	const headers = (await got(s.url, {json: true})).body;
 	t.is(headers.host, `localhost:${s.port}`);
 });
 
 test('transform names to lowercase', async t => {
-	let headers = (await got(s.url, {headers: {'USER-AGENT': 'test'}, json: true})).body;
+	const headers = (await got(s.url, {headers: {'USER-AGENT': 'test'}, json: true})).body;
 	t.is(headers['user-agent'], 'test');
 });
 
 test('zero content-length', async t => {
-	let headers = (await got(s.url, {headers: {'content-length': 0}, body: 'sup', json: true})).body;
+	const headers = (await got(s.url, {headers: {'content-length': 0}, body: 'sup', json: true})).body;
 	t.is(headers['content-length'], '0');
 });
 

test/http.js

@@ -52,7 +52,7 @@ test('error with code', async t => {
 });
 
 test('buffer on encoding === null', async t => {
-	let data = (await got(s.url, {encoding: null})).body;
+	const data = (await got(s.url, {encoding: null})).body;
 	t.ok(Buffer.isBuffer(data));
 });
 

test/https.js

@@ -10,15 +10,15 @@ let cert;
 let caRootKey;
 let caRootCert;
 
-let pemP = pify(pem, Promise);
+const pemP = pify(pem, Promise);
 
 test.before('setup', async () => {
-	let caKeys = await pemP.createCertificate({days: 1, selfSigned: true});
+	const caKeys = await pemP.createCertificate({days: 1, selfSigned: true});
 
 	caRootKey = caKeys.serviceKey;
 	caRootCert = caKeys.certificate;
 
-	let keys = await pemP.createCertificate({
+	const keys = await pemP.createCertificate({
 		serviceCertificate: caRootCert,
 		serviceKey: caRootKey,
 		serial: Date.now(),
@@ -50,7 +50,7 @@ test('make request to https server', async t => {
 });
 
 test('make request to https server with ca', async t => {
-	let {body} = await got(s.url, {
+	const {body} = await got(s.url, {
 		strictSSL: true,
 		ca: caRootCert,
 		headers: {host: 'sindresorhus.com'}

test/json.js

@@ -38,7 +38,7 @@ test('parses response', async t => {
 });
 
 test('not parses responses without a body', async t => {
-	let {body} = await got(`${s.url}/204`, {json: true});
+	const {body} = await got(`${s.url}/204`, {json: true});
 	t.is(body, '');
 });
 

test/post.js

@@ -25,48 +25,48 @@ test.before('setup', async () => {
 });
 
 test('GET can have body', async t => {
-	let {body, headers} = await got.get(s.url, {body: 'hi'});
+	const {body, headers} = await got.get(s.url, {body: 'hi'});
 	t.is(body, 'hi');
 	t.is(headers.method, 'GET');
 });
 
 test('sends strings', async t => {
-	let {body} = await got(s.url, {body: 'wow'});
+	const {body} = await got(s.url, {body: 'wow'});
 	t.is(body, 'wow');
 });
 
 test('sends Buffers', async t => {
-	let {body} = await got(s.url, {body: new Buffer('wow')});
+	const {body} = await got(s.url, {body: new Buffer('wow')});
 	t.is(body, 'wow');
 });
 
 test('sends Streams', async t => {
-	let {body} = await got(s.url, {body: intoStream(['wow'])});
+	const {body} = await got(s.url, {body: intoStream(['wow'])});
 	t.is(body, 'wow');
 });
 
 test('works with empty post response', async t => {
-	let {body} = await got(`${s.url}/empty`, {body: 'wow'});
+	const {body} = await got(`${s.url}/empty`, {body: 'wow'});
 	t.is(body, '');
 });
 
 test('content-length header with string body', async t => {
-	let {body} = await got(`${s.url}/headers`, {body: 'wow', json: true});
+	const {body} = await got(`${s.url}/headers`, {body: 'wow', json: true});
 	t.is(body['content-length'], '3');
 });
 
 test('content-length header with Buffer body', async t => {
-	let {body} = await got(`${s.url}/headers`, {body: new Buffer('wow'), json: true});
+	const {body} = await got(`${s.url}/headers`, {body: new Buffer('wow'), json: true});
 	t.is(body['content-length'], '3');
 });
 
 test('content-length header with Stream body', async t => {
-	let {body} = await got(`${s.url}/headers`, {body: intoStream(['wow']), json: true});
+	const {body} = await got(`${s.url}/headers`, {body: intoStream(['wow']), json: true});
 	t.is(body['content-length'], undefined);
 });
 
 test('content-length header is not overriden', async t => {
-	let {body} = await got(`${s.url}/headers`, {
+	const {body} = await got(`${s.url}/headers`, {
 		body: 'wow',
 		json: true,
 		headers: {
@@ -77,7 +77,7 @@ test('content-length header is not overriden', async t => {
 });
 
 test('content-length header disabled for chunked transfer-encoding', async t => {
-	let {body} = await got(`${s.url}/headers`, {
+	const {body} = await got(`${s.url}/headers`, {
 		body: '3\r\nwow\r\n0\r\n',
 		json: true,
 		headers: {
@@ -88,7 +88,7 @@ test('content-length header disabled for chunked transfer-encoding', async t =>
 });
 
 test('object in options.body treated as querystring', async t => {
-	let {body} = await got(s.url, {
+	const {body} = await got(s.url, {
 		body: {
 			such: 'wow'
 		}
@@ -97,7 +97,7 @@ test('object in options.body treated as querystring', async t => {
 });
 
 test('content-type header is not overriden when object in options.body', async t => {
-	let {body} = await got(`${s.url}/headers`, {
+	const {body} = await got(`${s.url}/headers`, {
 		headers: {
 			'content-type': 'doge'
 		},

test/unix-socket.js

@@ -4,7 +4,7 @@ import test from 'ava';
 import got from '../';
 import {createServer} from './helpers/server';
 
-let socketPath = tempfile('.socket');
+const socketPath = tempfile('.socket');
 
 let s;
 
@@ -19,12 +19,12 @@ test.before('setup', async () => {
 });
 
 test('works', async t => {
-	let url = format('http://unix:%s:%s', socketPath, '/');
+	const url = format('http://unix:%s:%s', socketPath, '/');
 	t.is((await got(url)).body, 'ok');
 });
 
 test('protocol-less works', async t => {
-	let url = format('unix:%s:%s', socketPath, '/');
+	const url = format('unix:%s:%s', socketPath, '/');
 	t.is((await got(url)).body, 'ok');
 });