From cc3e6151688db11bf2a784f6d522d84ab6d62ac9 Mon Sep 17 00:00:00 2001
From: Junxiao Shi <git@mail1.yoursunny.com>
Date: Tue, 15 Oct 2019 16:58:57 -0400
Subject: [PATCH] p-fifo: initial definition (#39095)

---
 types/p-fifo/index.d.ts      | 14 ++++++++++++++
 types/p-fifo/p-fifo-tests.ts | 17 +++++++++++++++++
 types/p-fifo/tsconfig.json   | 23 +++++++++++++++++++++++
 types/p-fifo/tslint.json     |  1 +
 4 files changed, 55 insertions(+)
 create mode 100644 types/p-fifo/index.d.ts
 create mode 100644 types/p-fifo/p-fifo-tests.ts
 create mode 100644 types/p-fifo/tsconfig.json
 create mode 100644 types/p-fifo/tslint.json

diff --git a/types/p-fifo/index.d.ts b/types/p-fifo/index.d.ts
new file mode 100644
index 0000000000..3344efe225
--- /dev/null
+++ b/types/p-fifo/index.d.ts
@@ -0,0 +1,14 @@
+// Type definitions for p-fifo 1.0
+// Project: https://github.com/alanshaw/p-fifo
+// Definitions by: Junxiao Shi <https://github.com/yoursunny>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.1
+
+export = PFifo;
+
+declare class PFifo<T> {
+    constructor();
+    push(chunk: T): Promise<void>;
+    shift(): Promise<T>;
+    isEmpty(): boolean;
+}
diff --git a/types/p-fifo/p-fifo-tests.ts b/types/p-fifo/p-fifo-tests.ts
new file mode 100644
index 0000000000..9769280db4
--- /dev/null
+++ b/types/p-fifo/p-fifo-tests.ts
@@ -0,0 +1,17 @@
+import Fifo = require("p-fifo");
+
+const fifo = new Fifo<string>();
+
+(async () => {
+  // $ExpectType void
+  await fifo.push("a");
+
+  // $ExpectError
+  fifo.push(true);
+
+  // $ExpectType string
+  await fifo.shift();
+})();
+
+// $ExpectType boolean
+fifo.isEmpty();
diff --git a/types/p-fifo/tsconfig.json b/types/p-fifo/tsconfig.json
new file mode 100644
index 0000000000..f2e88f4ae1
--- /dev/null
+++ b/types/p-fifo/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "p-fifo-tests.ts"
+    ]
+}
diff --git a/types/p-fifo/tslint.json b/types/p-fifo/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/p-fifo/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }