fix(v-model): consistent nullish value handling with 2.x (#1530)

fix #1528
2020-07-07 07:02:33 +08:00
parent 441c23602f
commit 425335c28b
2 changed files with 7 additions and 2 deletions
--- a/packages/runtime-dom/src/directives/vModel.ts
+++ b/packages/runtime-dom/src/directives/vModel.ts
@@ -47,7 +47,7 @@ export const vModelText: ModelDirective<
  HTMLInputElement | HTMLTextAreaElement
 > = {
  beforeMount(el, { value, modifiers: { lazy, trim, number } }, vnode) {
-    el.value = value
+    el.value = value == null ? '' : value
    el._assign = getModelAssigner(vnode)
    const castToNumber = number || el.type === 'number'
    addEventListener(el, lazy ? 'change' : 'input', e => {
@@ -85,7 +85,7 @@ export const vModelText: ModelDirective<
        return
      }
    }
-    el.value = value
+    el.value = value == null ? '' : value
  }
 }