From 95b78d877a1b231d5df2e75447c97b643da4fdaa Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Tue, 30 May 2017 12:00:51 +0200
Subject: Add isBoolean assertion

---
 src/utils/assert.ts | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/utils')

diff --git a/src/utils/assert.ts b/src/utils/assert.ts
index 1baf572d1..aeed1c6dc 100644
--- a/src/utils/assert.ts
+++ b/src/utils/assert.ts
@@ -27,6 +27,9 @@ export const assert = {
     isNumber(variableName: string, value: number): void {
         this.assert(_.isFinite(value), this.typeAssertionMessage(variableName, 'number', value));
     },
+    isBoolean(variableName: string, value: boolean): void {
+        this.assert(_.isBoolean(value), this.typeAssertionMessage(variableName, 'boolean', value));
+    },
     doesConformToSchema(variableName: string, value: object, schema: Schema): void {
         const schemaValidator = new SchemaValidator();
         const validationResult = schemaValidator.validate(value, schema);
-- 
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