refactor(csp): update delete op (TS4.0)

packages/csp/src/channel.ts

@@ -553,13 +553,13 @@ export class Channel<T> implements IReadWriteableChannel<T> {
             this.state = State.DONE;
             this.flush();
             this.buf.release();
-            delete this.reads;
-            delete this.writes;
-            delete this.buf;
-            delete this.txbuf;
-            delete this.tx;
-            delete this.isBusy;
-            delete this.onerror;
+            delete (<any>this).reads;
+            delete (<any>this).writes;
+            delete (<any>this).buf;
+            delete (<any>this).txbuf;
+            delete (<any>this).tx;
+            delete (<any>this).isBusy;
+            delete (<any>this).onerror;
         }
     }
 

packages/csp/src/mult.ts

@@ -118,8 +118,8 @@ export class Mult<T> implements IWriteableChannel<T> {
         for (let t of this.taps) {
             await t.close();
         }
-        delete this.src;
-        delete this.taps;
-        delete this.tapID;
+        delete (<any>this).src;
+        delete (<any>this).taps;
+        delete (<any>this).tapID;
     }
 }

packages/csp/src/pubsub.ts

@@ -102,8 +102,8 @@ export class PubSub<T> implements IWriteableChannel<T> {
         for (let id of Object.keys(this.topics)) {
             this.topics[id].close();
         }
-        delete this.src;
-        delete this.topics;
-        delete this.fn;
+        delete (<any>this).src;
+        delete (<any>this).topics;
+        delete (<any>this).fn;
     }
 }

packages/dcons/src/index.ts

@@ -72,7 +72,7 @@ export class DCons<T>
             next;
         while (cell) {
             next = cell.next;
-            delete cell.value;
+            delete (<any>cell).value;
             delete cell.prev;
             delete cell.next;
             cell = next;