1 files changed, 18 insertions, 0 deletions
diff --git a/std/node/_utils.ts b/std/node/_utils.ts
index 0e8b26fb5..5bd4d1075 100644
--- a/std/node/_utils.ts
+++ b/std/node/_utils.ts
@@ -111,3 +111,21 @@ function slowCases(enc: string): string | undefined {
       if (enc === "") return "utf8";
   }
 }
+
+export function validateIntegerRange(
+  value: number,
+  name: string,
+  min = -2147483648,
+  max = 2147483647,
+): void {
+  // The defaults for min and max correspond to the limits of 32-bit integers.
+  if (!Number.isInteger(value)) {
+    throw new Error(`${name} must be 'an integer' but was ${value}`);
+  }
+
+  if (value < min || value > max) {
+    throw new Error(
+      `${name} must be >= ${min} && <= ${max}. Value was ${value}`,
+    );
+  }
+}