don't throw for empty list

lib/cjs/utils.js

@@ -5,11 +5,8 @@ var tslib_1 = require("tslib");
 var React = tslib_1.__importStar(require("react"));
 var EnableContext_1 = require("./EnableContext");
 function testAndConvert(input) {
-    if ((Array.isArray(input) && input.length === 0) || input == null) {
-        throw new Error("Can't have empty array of features");
-    }
     var test = React.useContext(EnableContext_1.EnableContext);
-    var converted = React.useMemo(function () { return (Array.isArray(input) ? input : [input]); }, [input]);
+    var converted = React.useMemo(function () { return (input == null ? [] : (Array.isArray(input) ? input : [input])); }, [input]);
     return [test, converted];
 }
 exports.testAndConvert = testAndConvert;

lib/esm/utils.js

@@ -1,10 +1,7 @@
 import * as React from "react";
 import { EnableContext } from "./EnableContext";
 export function testAndConvert(input) {
-    if ((Array.isArray(input) && input.length === 0) || input == null) {
-        throw new Error("Can't have empty array of features");
-    }
     var test = React.useContext(EnableContext);
-    var converted = React.useMemo(function () { return (Array.isArray(input) ? input : [input]); }, [input]);
+    var converted = React.useMemo(function () { return (input == null ? [] : (Array.isArray(input) ? input : [input])); }, [input]);
     return [test, converted];
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-enable",
-  "version": "2.0.2",
+  "version": "2.0.4",
   "description": "feature flags to enable and disable functionality at runtime in a react application",
   "main": "./lib/cjs/index.js",
   "module": "./lib/esm/index.js",

src/index.spec.tsx

@@ -56,9 +56,9 @@ const wrapper: React.FC<{ defaultEnabled: string[] }> = ({
   </Features>
 );
 
-test("without a feature, should fail", () => {
+test("without a feature, should be false", () => {
   const { result } = renderHook(() => useEnabled([]));
-  expect(result.error).toEqual(Error("Can't have empty array of features"));
+  expect(result.current).toEqual(false);
 });
 
 test("should be disabled without a context", () => {

src/utils.ts

@@ -6,13 +6,10 @@ import { EnableContextType, EnableContext } from "./EnableContext";
 export function testAndConvert(
   input?: string | string[] | null
 ): [EnableContextType, string[]] {
-  if ((Array.isArray(input) && input.length === 0) || input == null) {
-    throw new Error("Can't have empty array of features");
-  }
   const test = React.useContext(EnableContext);
   // We memoize just to prevent re-renders since this could be at the leaf of a tree
   const converted = React.useMemo(
-    () => (Array.isArray(input) ? input : [input]),
+    () => (input == null ? [] : (Array.isArray(input) ? input : [input])),
     [input]
   );
   return [test, converted];