Replace .terminateWorker() with .worker()

See LZMA-JS#31

readme.md

@@ -86,7 +86,7 @@ If the decompression progress is unable to be calculated, the on_progress() func
 
 LZMA-JS will try to use Web Workers if they are available.  If the environment does not support Web Workers,
 it will just do something else, and it won't pollute the global scope.
-Each call to LZMA() will create a new Web Worker, which can be reused or terminated via my_lzma.terminateWorker().
+Each call to LZMA() will create a new Web Worker, which can be accessed via my_lzma.worker().
 
 LZMA-JS was originally based on gwt-lzma, which is a port of the LZMA SDK from Java into JavaScript.
 

src/lzma.js

@@ -63,7 +63,7 @@ if (typeof Worker === "undefined" || (typeof location !== "undefined" && locatio
                             }, 50);
                         }
                     },
-                    terminateWorker: function() {}
+                    worker: function() { return null; }
                 };
 
                 return fake_lzma;
@@ -138,9 +138,8 @@ if (typeof Worker === "undefined" || (typeof location !== "undefined" && locatio
                 decompress: function decompress(byte_arr, on_finish, on_progress) {
                     send_to_worker(action_decompress, byte_arr, false, on_finish, on_progress);
                 },
-                terminateWorker: function terminateWorker() {
-                    lzma_worker.terminate();
-                    lzma_worker = null;
+                worker: function worker() {
+                    return lzma_worker;
                 }
             };
         }());

src/lzma_worker.js

@@ -2629,7 +2629,7 @@ var LZMA = (function () {
         /** xs */
         compress:   compress,
         decompress: decompress,
-        terminateWorker: function() {}
+        worker: function() { return null; }
         /** xe */
         /// co:compress:   compress
         /// do:decompress: decompress