fix(runtime-core): avoid mutating EMPTY_ARR when setting dev root (#2419)

also freeze EMPTY_ARR in dev fix #2413
2020-10-20 06:08:54 +08:00
parent e894caf731
commit edd49dcab4
5 changed files with 21 additions and 8 deletions
--- a/packages/runtime-core/src/vnode.ts
+++ b/packages/runtime-core/src/vnode.ts
@@ -243,7 +243,7 @@ export function createBlock(
    true /* isBlock: prevent a block from tracking itself */
  )
  // save current block children on the block vnode
-  vnode.dynamicChildren = currentBlock || EMPTY_ARR
+  vnode.dynamicChildren = currentBlock || (EMPTY_ARR as any)
  // close block
  closeBlock()
  // a block is always going to be patched, so track it as a child of its