Merge pull request #258 from 0xProject/feature/contracts-refactor

A bunch of refactorings

1 files changed, 20 insertions, 0 deletions

diff --git a/packages/utils/src/interval_utils.ts b/packages/utils/src/interval_utils.ts
new file mode 100644
index 000000000..62b79f2f5
--- /dev/null
+++ b/packages/utils/src/interval_utils.ts
@@ -0,0 +1,20 @@
+import * as _ from 'lodash';
+
+export const intervalUtils = {
+    setAsyncExcludingInterval(fn: () => Promise<void>, intervalMs: number) {
+        let locked = false;
+        const intervalId = setInterval(async () => {
+            if (locked) {
+                return;
+            } else {
+                locked = true;
+                await fn();
+                locked = false;
+            }
+        }, intervalMs);
+        return intervalId;
+    },
+    clearAsyncExcludingInterval(intervalId: NodeJS.Timer): void {
+        clearInterval(intervalId);
+    },
+};