test: coverage to 100%

src/util/liquid-date.ts

@@ -0,0 +1,19 @@
+/**
+ * The date interface LiquidJS uses.
+ * Basically a subset of JavaScript Date,
+ * it's defined abstractly here to allow different implementation
+ */
+export interface LiquidDate {
+  getTime(): number;
+  getMilliseconds(): number;
+  getSeconds(): number;
+  getMinutes(): number;
+  getHours(): number;
+  getDay(): number;
+  getDate(): number;
+  getMonth(): number;
+  getFullYear(): number;
+  getTimezoneOffset(): number;
+  toLocaleTimeString(): string;
+  toLocaleDateString(): string;
+}