Remove generators, clean up REGL intantiation, expose more types. (#2)

* Removing support for generator functions (unused).

* Adding traceDeprecation to webpack for debugging deprecation warnings.

* Cleaning up REGL instatiation.

* Exposing more types via TypeScript module.

* Incrementing patch version to 0.1.2.

Author: jimbojw

dist/megaplot-v0.1.1.es2015.min.js.map

@@ -15476,12 +15476,6 @@ void main () {
      * See the License for the specific language governing permissions and
      * limitations under the License.
      */
-    /**
-     * Grab a reference to the JavaScript generator function constructor class.
-     * While the Function class is available in the global/window scope, neither
-     * GeneratorFunction nor AsyncFunction are available.
-     */
-    const GeneratorFunction = (function* () { }).constructor;
     /**
      * Default settings to control the WorkScheduler's behavior. These can be
      * overridden in the WorkScheduler constructor.
@@ -15733,54 +15727,23 @@ void main () {
                         this.futureWorkQueue.enqueueTask(task);
                         continue;
                     }
-                    // Immediately following this line, either the callback function will be
-                    // called, or a previously created iterator will be invoked.
                     tasksRan++;
-                    if (!task.iterator) {
-                        const result = task.callback.call(null, remaining);
-                        // Check to see if this was anything other than a generator.
-                        if (task.callback.constructor !== GeneratorFunction) {
-                            if (!task.runUntilDone || result) {
-                                // Task was a simple callback function, nothing left to do.
-                                continue;
-                            }
-                            // Task is not finished, so keep running it until either it finishes
-                            // or we run out of time.
-                            let done = result;
-                            while (!done && remaining() > 0) {
-                                done = task.callback.call(null, remaining);
-                            }
-                            if (!done) {
-                                // The task did not finish! Schedule the task to continue.
-                                this.futureWorkQueue.enqueueTask(task);
-                            }
-                            continue;
-                        }
-                        // Sanity check. At this point, the result value must be an iterator
-                        // produced by a generator function. Had the callback been a non-
-                        // generator function, then the loop would have been escaped already
-                        // from within the preceding block.
-                        if (!result || typeof result !== 'object' || result === null ||
-                            !(result.constructor instanceof Function) ||
-                            result.constructor.constructor !== GeneratorFunction) {
-                            throw new Error('Generator function did not return an iterator.');
-                        }
-                        // Replace the task with a copy but including the iterator for future
-                        // invocation.
-                        const iterator = result;
-                        task = Object.freeze(Object.assign(Object.assign({}, task), { iterator }));
+                    const result = task.callback.call(null, remaining);
+                    if (!task.runUntilDone || result) {
+                        // Task was a simple callback function, nothing left to do.
+                        continue;
                     }
-                    // Start running down the iterator until it finishes or time runs out.
-                    let done = false;
-                    while (!done) {
-                        done = task.iterator.next().done;
-                        if (remaining() <= 0) {
-                            break;
-                        }
+                    // Task is not finished, so keep running it until either it finishes
+                    // or we run out of time.
+                    let done = result;
+                    while (!done && remaining() > 0) {
+                        done = task.callback.call(null, remaining);
                     }
                     if (!done) {
-                        // The iterator did not finish! Schedule the task for further work.
+                        // The task did not finish! Schedule the task to continue later.
                         this.futureWorkQueue.enqueueTask(task);
+                        // Since the task didn't finish, we must have run out of time.
+                        break;
                     }
                 }
             }
@@ -15962,7 +15925,7 @@ void main () {
             // Look for either the REGL module or createREGL global since both are
             // supported. The latter is for hot-loading the standalone Regl JS file.
             const win = window;
-            const createREGL = (win['REGL'] || win['createREGL']) || regl;
+            const createREGL = win['createREGL'] || regl;
             if (!createREGL) {
                 throw new Error('Could not find REGL.');
             }
@@ -16513,4 +16476,4 @@ void main () {
     Object.defineProperty(exports, '__esModule', { value: true });
 
 })));
-//# sourceMappingURL=megaplot-v0.1.1.bundle.es2015.js.map
+//# sourceMappingURL=megaplot-v0.1.2.bundle.es2015.js.map