fix(watch): fix watching reactive array (#1656)

fixes #1655
2020-07-21 00:39:22 +08:00
parent d39c03771b
commit 288b4eab9e
2 changed files with 16 additions and 6 deletions
--- a/packages/runtime-core/src/apiWatch.ts
+++ b/packages/runtime-core/src/apiWatch.ts
@@ -159,7 +159,12 @@ function doWatch(
  }

  let getter: () => any
-  if (isArray(source)) {
+  if (isRef(source)) {
+    getter = () => source.value
+  } else if (isReactive(source)) {
+    getter = () => source
+    deep = true
+  } else if (isArray(source)) {
    getter = () =>
      source.map(s => {
        if (isRef(s)) {
@@ -172,11 +177,6 @@ function doWatch(
          __DEV__ && warnInvalidSource(s)
        }
      })
-  } else if (isRef(source)) {
-    getter = () => source.value
-  } else if (isReactive(source)) {
-    getter = () => source
-    deep = true
  } else if (isFunction(source)) {
    if (cb) {
      // getter with cb