From fadcd865464e84a4bf47c8a58a6ee7892b2f8a9d Mon Sep 17 00:00:00 2001
From: James Bromwell <943160+thw0rted@users.noreply.github.com>
Date: Wed, 18 Oct 2017 18:17:51 +0200
Subject: [PATCH] Add new methods from pluralize v5.1.0 (#20683)

* Add isPlural / isSingular

Test the changes to `index.d.ts`.

* Add isPlural / isSingular

See [release notes](https://github.com/blakeembrey/pluralize/releases), new API has been present since July.
---
 types/pluralize/index.d.ts         | 16 +++++++++++++++-
 types/pluralize/pluralize-tests.ts |  8 +++++++-
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/types/pluralize/index.d.ts b/types/pluralize/index.d.ts
index 0a77d87a59..7a11a23839 100644
--- a/types/pluralize/index.d.ts
+++ b/types/pluralize/index.d.ts
@@ -57,9 +57,23 @@ interface PluralizeStatic {
      * @param word
      */
     addUncountableRule(word: string|RegExp): void;
+
+    /**
+     * Test if provided word is plural.
+     *
+     * @param word
+     */
+    isPlural(word: string): boolean;
+
+    /**
+     * Test if provided word is singular.
+     *
+     * @param word
+     */
+    isSingular(word: string): boolean;
 }
 
 declare module "pluralize" {
     export = pluralize;
 }
-declare var pluralize: PluralizeStatic;
\ No newline at end of file
+declare var pluralize: PluralizeStatic;
diff --git a/types/pluralize/pluralize-tests.ts b/types/pluralize/pluralize-tests.ts
index 951fe0b91a..16c599aab8 100644
--- a/types/pluralize/pluralize-tests.ts
+++ b/types/pluralize/pluralize-tests.ts
@@ -22,4 +22,10 @@ pluralize.plural('irregular'); //=> "regular"
 
 pluralize.plural('paper'); //=> "papers"
 pluralize.addUncountableRule('paper');
-pluralize.plural('paper'); //=> "paper"
\ No newline at end of file
+pluralize.plural('paper'); //=> "paper"
+
+pluralize.isPlural('test') //=> false
+pluralize.isSingular('test') //=> true
+
+pluralize.isPlural('tests') //=> true
+pluralize.isSingular('tests') //=> false