From 54579a0167139f809e9f6fa6de658714e86a6ca0 Mon Sep 17 00:00:00 2001
From: Dave Cohen <dcohen18@gmail.com>
Date: Sat, 15 Feb 2020 13:22:40 -0600
Subject: [PATCH] Add multiple predicates to is.any

---
 source/index.ts | 16 +++++++++++++---
 test/test.ts    |  2 ++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/source/index.ts b/source/index.ts
index 4d42bfe..2c354e6 100644
--- a/source/index.ts
+++ b/source/index.ts
@@ -373,6 +373,7 @@ is.emptyMap = (value: unknown): value is Map<never, never> => is.map(value) && v
 is.nonEmptyMap = <Key = unknown, Value = unknown>(value: unknown): value is Map<Key, Value> => is.map(value) && value.size > 0;
 
 export type Predicate = (value: unknown) => boolean;
+export type OverloadedPredicate = Predicate | Predicate[];
 
 type ArrayMethod = (fn: (value: unknown, index: number, array: unknown[]) => boolean, thisArg?: unknown) => boolean;
 
@@ -388,7 +389,16 @@ const predicateOnArray = (method: ArrayMethod, predicate: Predicate, values: unk
 	return method.call(values, predicate);
 };
 
-is.any = (predicate: Predicate, ...values: unknown[]): boolean => predicateOnArray(Array.prototype.some, predicate, values);
+is.any = (predicate: OverloadedPredicate, ...values: unknown[]): boolean => {
+	if (is.array(predicate) === true) {
+		return (predicate as Predicate[]).some((singlePredicate: Predicate) =>
+			predicateOnArray(Array.prototype.some, singlePredicate, values)
+		);
+	}
+
+	return predicateOnArray(Array.prototype.some, predicate as Predicate, values);
+};
+
 is.all = (predicate: Predicate, ...values: unknown[]): boolean => predicateOnArray(Array.prototype.every, predicate, values);
 
 const assertType = (condition: boolean, description: string, value: unknown): asserts condition => {
@@ -526,7 +536,7 @@ interface Assert {
 	inRange: (value: number, range: number | number[]) => asserts value is number;
 
 	// Variadic functions.
-	any: (predicate: Predicate, ...values: unknown[]) => void | never;
+	any: (predicate: OverloadedPredicate, ...values: unknown[]) => void | never;
 	all: (predicate: Predicate, ...values: unknown[]) => void | never;
 }
 
@@ -616,7 +626,7 @@ export const assert: Assert = {
 	inRange: (value: number, range: number | number[]): asserts value is number => assertType(is.inRange(value, range), AssertionTypeDescription.inRange, value),
 
 	// Variadic functions.
-	any: (predicate: Predicate, ...values: unknown[]): void | never => assertType(is.any(predicate, ...values), AssertionTypeDescription.any, values),
+	any: (predicate: OverloadedPredicate, ...values: unknown[]): void | never => assertType(is.any(predicate, ...values), AssertionTypeDescription.any, values),
 	all: (predicate: Predicate, ...values: unknown[]): void | never => assertType(is.all(predicate, ...values), AssertionTypeDescription.all, values)
 };
 
diff --git a/test/test.ts b/test/test.ts
index f48b7c3..2909247 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -1458,6 +1458,8 @@ test('is.any', t => {
 	t.true(is.any(is.object, false, {}, 'unicorns'));
 	t.false(is.any(is.boolean, '🦄', [], 3));
 	t.false(is.any(is.integer, true, 'lol', {}));
+	t.true(is.any([is.string, is.number], {}, true, '🦄'));
+	t.false(is.any([is.boolean, is.number], 'unicorns', [], new Map()));
 
 	t.throws(() => {
 		is.any(null as any, true);