delete some junk files

libs/vdk_control/src/vdk_control.ts

@@ -0,0 +1,61 @@
+/**
+ * Missing routines
+ *
+ * @module
+ */
+
+export {
+    sleep,
+    bulrtot
+}
+
+import * as vdk_safe from './jex_include/local-vdk_safe-0.1.0/dist/vdk_safe.js';
+
+
+/**
+ * Hack from stack overflow somewhere to sleep for the given number of ms
+ */
+async function
+sleep
+    (ms: number)
+    : Promise<void>
+{
+    return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+
+
+/**
+ * Block until lambda returns true or timeout
+ *
+ * `timeout_ms` should be divisible by `interval_ms`
+ *
+ * @internal
+ */
+async function
+bulrtot
+    <ok_t>
+    (fun         : (() => boolean),
+     result_fun  : (() => ok_t),
+     timeout_ms  : number,
+     timeout_msg : string,
+     interval_ms : number)
+    : Promise<vdk_safe.Safe<ok_t, string>>
+{
+    let max_iters : number = Math.floor(timeout_ms / interval_ms);
+
+    for (let i  = 1;
+             i <= max_iters;
+             i++)
+    {
+        if (fun()) {
+            let result = vdk_safe.ok(result_fun());
+            return result;
+        }
+        else
+            await sleep(interval_ms);
+    }
+
+    let result = vdk_safe.error(timeout_msg);
+    return result;
+}