New utils

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.15.16",
+  "version": "0.15.17",
   "description": "Orion Protocol SDK",
   "main": "./lib/esm/index.js",
   "module": "./lib/esm/index.js",

src/utils/index.ts

@@ -9,6 +9,9 @@ export { default as denormalizeNumber } from './denormalizeNumber';
 export { default as normalizeNumber } from './normalizeNumber';
 export { default as isNetworkCodeInEnvironment } from './isNetworkCodeInEnvironment';
 export { default as parseExchangeTradeTransaction } from './parseExchangeTradeTransaction';
+export { default as toUpperCase } from './toUpperCase';
+export { default as toLowerCase } from './toLowerCase';
+export { default as isUppercasedNetworkCode } from './isUppercasedNetworkCode';
 
 // export { default as HttpError } from './httpError';
 

src/utils/isUppercasedNetworkCode.ts

@@ -0,0 +1,7 @@
+import { networkCodes } from '../constants';
+import toUpperCase from './toUpperCase';
+
+const isUppercasedNetworkCode = (value: string): value is Uppercase<typeof networkCodes[number]> => networkCodes
+  .map(toUpperCase).some((networkCode) => networkCode === value);
+
+export default isUppercasedNetworkCode;

src/utils/toLowerCase.ts

@@ -0,0 +1,4 @@
+export default function toLowerCase<T extends string>(str: T): Lowercase<T> {
+  // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+  return str.toLowerCase() as Lowercase<T>;
+}

src/utils/toUpperCase.ts

@@ -0,0 +1,4 @@
+export default function toUpperCase<T extends string>(str: T): Uppercase<T> {
+  // eslint-disable-next-line @typescript-eslint/consistent-type-assertions
+  return str.toUpperCase() as Uppercase<T>;
+}