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2025-11-21 01:42:54 +08:00
parent ff026c6f32
commit f89196c73c
1953 changed files with 9 additions and 15246 deletions
@@ -0,0 +1,21 @@
+import { createDuration } from './create';
+
+function addSubtract(duration, input, value, direction) {
+    var other = createDuration(input, value);
+
+    duration._milliseconds += direction * other._milliseconds;
+    duration._days += direction * other._days;
+    duration._months += direction * other._months;
+
+    return duration._bubble();
+}
+
+// supports only 2.0-style add(1, 's') or add(duration)
+export function add(input, value) {
+    return addSubtract(this, input, value, 1);
+}
+
+// supports only 2.0-style subtract(1, 's') or subtract(duration)
+export function subtract(input, value) {
+    return addSubtract(this, input, value, -1);
+}