Revert "fix(v-model): mutate original array for v-model multi checkbox (#2663)"

This reverts commit 87581cd266. ref: #2700
2020-12-01 11:16:40 -05:00
parent 11a76ebd94
commit 83a79a829c
2 changed files with 5 additions and 76 deletions
--- a/packages/runtime-dom/src/directives/vModel.ts
+++ b/packages/runtime-dom/src/directives/vModel.ts
@@ -111,9 +111,11 @@ export const vModelCheckbox: ModelDirective<HTMLInputElement> = {
        const index = looseIndexOf(modelValue, elementValue)
        const found = index !== -1
        if (checked && !found) {
-          modelValue.push(elementValue)
+          assign(modelValue.concat(elementValue))
        } else if (!checked && found) {
-          modelValue.splice(index, 1)
+          const filtered = [...modelValue]
+          filtered.splice(index, 1)
+          assign(filtered)
        }
      } else if (isSet(modelValue)) {
        if (checked) {