fixes #1

Author: timkpaine

temporalcache.js

@@ -19,6 +19,15 @@ const toProperCase = (st) =>
     (txt) => txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase(),
   );
 
+let TEMPORAL_CACHE_GLOBAL_DISABLE = false;
+
+const disable = () => {
+  TEMPORAL_CACHE_GLOBAL_DISABLE = true;
+};
+const enable = () => {
+  TEMPORAL_CACHE_GLOBAL_DISABLE = false;
+};
+
 /**
  * @param {date} last last datetime
  * @param {date} now current datetime
@@ -191,7 +200,8 @@ const expire = (options) => {
           day_of_week,
           week,
           month,
-        )
+        ) ||
+        TEMPORAL_CACHE_GLOBAL_DISABLE
       ) {
         const val = foo(...args);
         cache.set(key, val);
@@ -241,7 +251,8 @@ const interval = (options) => {
 
       if (
         (now - last) / 1000 >
-        calc({ seconds, minutes, hours, days, weeks, months, years })
+          calc({ seconds, minutes, hours, days, weeks, months, years }) ||
+        TEMPORAL_CACHE_GLOBAL_DISABLE
       ) {
         const val = foo(...args);
         cache[args] = val;
@@ -264,6 +275,9 @@ module.exports = {
   TCException,
   should_expire,
   calc,
+  TEMPORAL_CACHE_GLOBAL_DISABLE,
+  enable,
+  disable,
   // expire
   expire,
   expire_minutely,

test/expire.test.js

@@ -6,7 +6,7 @@
  * the Apache License 2.0.  The full license can be found in the LICENSE file.
  *
  */
-const {expire} = require("../temporalcache");
+const {expire, disable, enable} = require("../temporalcache");
 
 
 describe("Expire tests", () => {
@@ -40,4 +40,43 @@ describe("Expire tests", () => {
 
         global.Date = realDate;
     });
+
+    test("test disable", () => {
+      let now = new Date(2018, 1, 1, 1, 1, 1);
+      let later = new Date(2018, 1, 1, 1, 2, 0);
+      let later2 = new Date(2018, 1, 1, 1, 2, 1);
+
+      // mock date
+      const realDate = Date;
+      global.Date = class extends Date {
+          constructor() {
+            return now;
+          }
+        };
+
+      const foo = expire({second: 1})(() => {
+          return Math.random();
+      });
+
+      let x = foo();
+      expect(x).toBe(foo());
+
+      disable();
+      expect(x !== foo()).toBe(true);
+
+      enable();
+      x = foo();
+      expect(x === foo()).toBe(true);
+
+
+      now = later;
+
+      expect(x === foo()).toBe(true);
+
+      now = later2;
+
+      expect(x !== foo()).toBe(true);
+
+      global.Date = realDate;
+  });
 });