feat: Event emitter node polyfill (#3944)

1 files changed, 17 insertions, 0 deletions

diff --git a/std/node/util.ts b/std/node/util.ts
index d0187e616..9879da513 100644
--- a/std/node/util.ts
+++ b/std/node/util.ts
@@ -45,3 +45,20 @@ export function isFunction(value: unknown): boolean {
 export function isRegExp(value: unknown): boolean {
   return value instanceof RegExp;
 }
+
+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}`
+    );
+  }
+}