Added format bytes helper

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.15.3",
+	"version": "0.15.6",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",

src/errors.ts

@@ -172,3 +172,41 @@ export class GatewayTimeoutError extends CustomError {
 		return (<any>err).constructor.code == this.code;
 	}
 }
+
+/**
+ * Create the correct error object from a status code
+ * @param {number} code Will be converted to respective error (ex. 404 -> NotFoundError)
+ * @param {string} message Override default error message
+ * @return {CustomError} The proper error type
+ */
+export function errorFromCode(code: number, message?: string) {
+	if(code >= 200 && code < 300) return null;
+	switch(code) {
+		case 400:
+			return new BadRequestError(message);
+		case 401:
+			return new UnauthorizedError(message);
+		case 402:
+			return new PaymentRequiredError(message);
+		case 403:
+			return new ForbiddenError(message);
+		case 404:
+			return new NotFoundError(message);
+		case 405:
+			return new MethodNotAllowedError(message);
+		case 406:
+			return new NotAcceptableError(message);
+		case 500:
+			return new InternalServerError(message);
+		case 501:
+			return new NotImplementedError(message);
+		case 502:
+			return new BadGatewayError(message);
+		case 503:
+			return new ServiceUnavailableError(message);
+		case 504:
+			return new GatewayTimeoutError(message);
+		default:
+			return new CustomError(message, code);
+	}
+}

src/http.ts

@@ -10,7 +10,7 @@ export type HttpRequestOptions = {
 	decode?: boolean;
 	fragment?: string;
 	headers?: {[key: string | symbol]: string | null | undefined};
-	method?: 'GET' | 'POST' | 'PATCH' | 'DELETE';
+	method?: 'GET' | 'POST' | 'PATCH' | 'PUT' | 'DELETE';
 	query?: {key: string, value: string}[] | {[key: string]: string};
 	url?: string;
 	[key: string]: any;

src/string.ts

@@ -6,6 +6,14 @@ export function createHex(length: number) {
 	return Array(length).fill(null).map(() => Math.round(Math.random() * 0xF).toString(16)).join('');
 }
 
+export function formatBytes(bytes: number, decimals = 2) {
+	if (bytes === 0) return '0 Bytes';
+	const k = 1024;
+	const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
+	const i = Math.floor(Math.log(bytes) / Math.log(k));
+	return parseFloat((bytes / Math.pow(k, i)).toFixed(decimals)) + ' ' + sizes[i];
+}
+
 /**
  * String of all letters
  *