fix(b-form-spinbutton): respect step value for initial decrement when wrap enabled (closes #4884) (#4885)

jacobmllr95 · web-flow · commit 28e724536be4 · 2020-03-05T18:41:39.000+01:00
* fix(b-form-spinbutton): respect step value when decrementing (closes #4884) * Update form-spinbutton.js Co-authored-by: Jacob Müller <jacob.mueller.elz@gmail.com>
diff --git a/src/components/form-spinbutton/form-spinbutton.js b/src/components/form-spinbutton/form-spinbutton.js
@@ -168,7 +168,11 @@ export const BFormSpinbutton = /*#__PURE__*/ Vue.extend({
       return defaultNumber(this.min, DEFAULT_MIN)
     },
     computedMax() {
-      return defaultNumber(this.max, DEFAULT_MAX)
+      // We round down to the nearest maximum step value
+      const max = defaultNumber(this.max, DEFAULT_MAX)
+      const step = this.computedStep
+      const min = this.computedMin
+      return Math.floor((max - min) / step) * step + min
     },
     computedDelay() {
       return defaultInteger(this.repeatDelay, DEFAULT_REPEAT_DELAY) || DEFAULT_REPEAT_DELAY
