feat(common): add hexSize method

fleet-sdk · Mar 27, 2023 · 78f724b · 78f724b
1 parent b18b6e8
commit 78f724b
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Showing 2 changed files with 16 additions and 1 deletion.
diff --git a/packages/common/src/utils/stringUtils.spec.ts b/packages/common/src/utils/stringUtils.spec.ts
@@ -1,4 +1,4 @@
-import { isHex } from "./stringUtils";
+import { hexSize, isHex } from "./stringUtils";
 
 describe("isHex() test", () => {
   it("Should pass with VALID hex strings", () => {
@@ -18,4 +18,10 @@ describe("isHex() test", () => {
     expect(isHex("")).toBeFalsy();
     expect(isHex(undefined)).toBeFalsy();
   });
+
+  it("Should return the byte size of a hex string", () => {
+    expect(
+      hexSize("0008cd026dc059d64a50d0dbf07755c2c4a4e557e3df8afa7141868b3ab200643d437ee7")
+    ).toBe(36);
+  });
 });
diff --git a/packages/common/src/utils/stringUtils.ts b/packages/common/src/utils/stringUtils.ts
@@ -7,3 +7,12 @@ export function isHex(value?: string) {
 
   return HEX_PATTERN.test(value);
 }
+
+/**
+ * Get hex string size in bytes
+ * @param hex
+ * @returns the byte size if the hex string
+ */
+export function hexSize(hex: string): number {
+  return hex.length / 2;
+}