From: fisker Cheung <lionkay@gmail.com>
Date: Sat, 12 Oct 2019 23:34:22 +0000 (+0800)
Subject: refactor(runtime-core): use `Array.from` instead of loop over `iterable` (#250)
X-Git-Tag: v3.0.0-alpha.0~467
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cdc143d3489235375d6bb4e015025ed82e99bad4;p=thirdparty%2Fvuejs%2Fcore.git

refactor(runtime-core): use `Array.from` instead of loop over `iterable` (#250)
---

diff --git a/packages/runtime-core/src/helpers/renderList.ts b/packages/runtime-core/src/helpers/renderList.ts
index ea0b6f89f3..43841f31ca 100644
--- a/packages/runtime-core/src/helpers/renderList.ts
+++ b/packages/runtime-core/src/helpers/renderList.ts
@@ -16,13 +16,10 @@ export function renderList(
     }
   } else if (isObject(source)) {
     if (source[Symbol.iterator as any]) {
-      ret = []
-      const iterator: Iterator<any> = source[Symbol.iterator as any]()
-      let result = iterator.next()
-      while (!result.done) {
-        ret.push(renderItem(result.value, ret.length))
-        result = iterator.next()
-      }
+      ret = Array.from(
+        source as Iterable<any>, 
+        renderItem
+      )
     } else {
       const keys = Object.keys(source)
       ret = new Array(keys.length)