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

This commit is contained in:
fisker Cheung 2019-10-13 07:34:22 +08:00 committed by Evan You
parent 96681942c1
commit cdc143d348
1 changed files with 4 additions and 7 deletions
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11
packages/runtime-core/src/helpers/renderList.ts
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@ -16,13 +16,10 @@ export function renderList(
} }
} else if (isObject(source)) { } else if (isObject(source)) {
if (source[Symbol.iterator as any]) { if (source[Symbol.iterator as any]) {
ret = [] ret = Array.from(
const iterator: Iterator<any> = source[Symbol.iterator as any]() source as Iterable<any>,
let result = iterator.next() renderItem
while (!result.done) { )
ret.push(renderItem(result.value, ret.length))
result = iterator.next()
}
} else { } else {
const keys = Object.keys(source) const keys = Object.keys(source)
ret = new Array(keys.length) ret = new Array(keys.length)