Reduce size by 20b

Author: developit

src/index.mjs

@@ -1,53 +1,47 @@
 export default function(url, options) {
 	options = options || {};
 	return new Promise( (resolve, reject) => {
-		let request = new XMLHttpRequest();
+		const request = new XMLHttpRequest();
+		const keys = [];
+		const all = [];
+		const headers = {};
+
+		const response = () => ({
+			ok: (request.status/100|0) == 2,		// 200-299
+			statusText: request.statusText,
+			status: request.status,
+			url: request.responseURL,
+			text: () => Promise.resolve(request.responseText),
+			json: () => Promise.resolve(JSON.parse(request.responseText)),
+			blob: () => Promise.resolve(new Blob([request.response])),
+			clone: response,
+			headers: {
+				keys: () => keys,
+				entries: () => all,
+				get: n => headers[n.toLowerCase()],
+				has: n => n.toLowerCase() in headers
+			}
+		});
 
 		request.open(options.method || 'get', url, true);
 
-		for (let i in options.headers) {
-			request.setRequestHeader(i, options.headers[i]);
-		}
-
-		request.withCredentials = options.credentials=='include';
-
 		request.onload = () => {
+			request.getAllResponseHeaders().replace(/^(.*?):[^\S\n]*([\s\S]*?)$/gm, (m, key, value) => {
+				keys.push(key = key.toLowerCase());
+				all.push([key, value]);
+				headers[key] = headers[key] ? `${headers[key]},${value}` : value;
+			});
 			resolve(response());
 		};
 
 		request.onerror = reject;
 
-		request.send(options.body || null);
-
-		function response() {
-			let keys = [],
-				all = [],
-				headers = {},
-				header;
-
-			request.getAllResponseHeaders().replace(/^(.*?):[^\S\n]*([\s\S]*?)$/gm, (m, key, value) => {
-				keys.push(key = key.toLowerCase());
-				all.push([key, value]);
-				header = headers[key];
-				headers[key] = header ? `${header},${value}` : value;
-			});
+		request.withCredentials = options.credentials=='include';
 
-			return {
-				ok: (request.status/100|0) == 2,		// 200-299
-				status: request.status,
-				statusText: request.statusText,
-				url: request.responseURL,
-				clone: response,
-				text: () => Promise.resolve(request.responseText),
-				json: () => Promise.resolve(request.responseText).then(JSON.parse),
-				blob: () => Promise.resolve(new Blob([request.response])),
-				headers: {
-					keys: () => keys,
-					entries: () => all,
-					get: n => headers[n.toLowerCase()],
-					has: n => n.toLowerCase() in headers
-				}
-			};
+		for (const i in options.headers) {
+			request.setRequestHeader(i, options.headers[i]);
 		}
+
+		request.send(options.body || null);
 	});
 }