dev

node_modules/express-fileupload/lib/uploadtimer.js

@@ -0,0 +1,47 @@
+class UploadTimer {
+  /**
+   * @constructor
+   * @param {number} timeout - timer timeout in msecs.
+   * @param {Function} callback - callback to run when timeout reached.
+   */
+  constructor(timeout, callback) {
+    this.timeout = timeout || 0;
+    this.callback = callback || (() => {});
+    this.timer = null;
+  }
+
+  /**
+   * Sets the timer.
+   * Initializes & starts the timer.
+   * @returns {boolean} True if timer has been set.
+   */
+  set() {
+    if (this.timer || !this.timeout) return false;
+    this.timer = setTimeout(() => {
+      this.clear();
+      this.callback();
+    }, this.timeout);
+    return true;
+  }
+
+  /**
+   * Clears the timer.
+   * If timer cleared, it has to be re-initialized again with set method.
+   */
+  clear() {
+    clearTimeout(this.timer);
+  }
+
+  /**
+   * Refreshes timer.
+   * @returns {boolean} True if timer has been refreshed.
+   */
+  refresh() {
+    // Do nothing if zero/empty timeout or timer hasn't been initialized.
+    if (!this.timer) return false;
+    this.timer.refresh();
+    return true;
+  }
+}
+
+module.exports = UploadTimer;