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

2019-10-13 07:34:22 +08:00 · 2019-10-13 07:34:22 +08:00 · cdc143d348
commit cdc143d348
parent 96681942c1
1 changed files with 4 additions and 7 deletions
--- 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)