Add definitions for lz-string

Definitions apply to lz-string v1.3.3.

lz-string/lz-string-tests.ts

@@ -0,0 +1,12 @@
+/// <reference path="lz-string.d.ts" />
+
+var input = "Someting to compress";
+var encoded: string;
+var decoded: string;
+
+encoded = LZString.compress(input);
+decoded = LZString.decompress(encoded);
+encoded = LZString.compressToUTF16(input);
+decoded = LZString.decompressFromUTF16(encoded);
+encoded = LZString.compressToBase64(input);
+decoded = LZString.decompressFromBase64(encoded);

lz-string/lz-string.d.ts

@@ -0,0 +1,61 @@
+// Type definitions for lz-string v1.3.3
+// Project: https://github.com/pieroxy/lz-string
+// Definitions by: Roman Nikitin <https://github.com/M0ns1gn0r>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare var LZString: LZString.LZStringStatic;
+
+declare module LZString {
+    /**
+    * LZ-based compression algorithm for JavaScript.
+    */
+    interface LZStringStatic {
+        /**
+        * Compresses input string producing an instance of an "invalid" UTF-16 string. 
+        * Such string could be stored in localStorage only on webkit
+        * browsers (tested on Android, Chrome, Safari).
+        *
+        * @param uncompressed A string which should be compressed.
+        */
+        compress(uncompressed: string): string;
+
+        /**
+        * Decompresses "invalid" input string created by the method compress(). 
+        *
+        * @param compressed A string obtained from a call to compress().
+        */
+        decompress(compressed: string): string;
+
+        /**
+        * Compresses input string producing an instance of a "valid" UTF-16 string, 
+        * in the sense that all browsers can store them safely.
+        *
+        * @param uncompressed A string which should be compressed.
+        */
+        compressToUTF16(uncompressed: string): string;
+
+        /**
+        * Decompresses "valid" input string created by the method compressToUTF16(). 
+        *
+        * @param compressed A string obtained from a call to compressToUTF16().
+        */
+        decompressFromUTF16(compressed: string): string;
+
+        /**
+        * Compresses input string producing an instance of a ASCII UTF-16 string,
+        * which represents the original string encoded in Base64. 
+        * The result can be safely transported outside the browser with a 
+        * guarantee that none of the characters produced need to be URL-encoded. 
+        *
+        * @param uncompressed A string which should be compressed.
+        */
+        compressToBase64(uncompressed: string): string;
+
+        /**
+        * Decompresses ASCII UTF-16 input string created by the method compressToBase64(). 
+        *
+        * @param compressed A string obtained from a call to compressToBase64().
+        */
+        decompressFromBase64(compressed: string): string;
+    }
+}