From 3c1c9028de455909f3053174ae4eba29ebda3a9c Mon Sep 17 00:00:00 2001
From: york yao <yaoao12306@outlook.com>
Date: Wed, 13 Sep 2017 17:03:56 +0800
Subject: [PATCH] add types of lozad

---
 types/lozad/index.d.ts     | 25 +++++++++++++++++++++++++
 types/lozad/lozad-tests.ts | 13 +++++++++++++
 types/lozad/tsconfig.json  | 23 +++++++++++++++++++++++
 types/lozad/tslint.json    |  3 +++
 4 files changed, 64 insertions(+)
 create mode 100644 types/lozad/index.d.ts
 create mode 100644 types/lozad/lozad-tests.ts
 create mode 100644 types/lozad/tsconfig.json
 create mode 100644 types/lozad/tslint.json

diff --git a/types/lozad/index.d.ts b/types/lozad/index.d.ts
new file mode 100644
index 0000000000..eb0213f6c3
--- /dev/null
+++ b/types/lozad/index.d.ts
@@ -0,0 +1,25 @@
+// Type definitions for lozad 1.0
+// Project: https://github.com/ApoorvSaxena/lozad.js
+// Definitions by: York Yao <https://github.com/plantain-00>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+interface Option {
+    rootMargin?: string;
+    threshold?: number;
+    load?(element: HTMLElement | HTMLCanvasElement): void;
+}
+
+interface Observer {
+    observe(): void;
+}
+
+declare function lozad(selector?: string, options?: Option): Observer;
+
+declare namespace lozad {
+    const prototype: {
+    };
+}
+
+export as namespace lozad;
+
+export = lozad;
diff --git a/types/lozad/lozad-tests.ts b/types/lozad/lozad-tests.ts
new file mode 100644
index 0000000000..ad3ff13eea
--- /dev/null
+++ b/types/lozad/lozad-tests.ts
@@ -0,0 +1,13 @@
+import lozad = require('lozad');
+
+const observer = lozad('.lozad', {
+    rootMargin: '10px 0px', // syntax similar to that of CSS Margin
+    threshold: 0.1, // ratio of element convergence
+    load(el) {
+        console.log('loading element');
+
+        // Custom implementation to load an element
+        // e.g. el.src = el.dataset.src;
+    }
+});
+observer.observe();
diff --git a/types/lozad/tsconfig.json b/types/lozad/tsconfig.json
new file mode 100644
index 0000000000..a6f9e7d96c
--- /dev/null
+++ b/types/lozad/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es5",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "lozad-tests.ts"
+    ]
+}
\ No newline at end of file
diff --git a/types/lozad/tslint.json b/types/lozad/tslint.json
new file mode 100644
index 0000000000..e60c15844f
--- /dev/null
+++ b/types/lozad/tslint.json
@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}
\ No newline at end of file