perf(core): use startsWith instead of indexOf (#989)

2020-04-20 15:44:20 -04:00
parent 9e26be2c26
commit 054ccecd58
4 changed files with 4 additions and 4 deletions
--- a/packages/runtime-dom/src/modules/attrs.ts
+++ b/packages/runtime-dom/src/modules/attrs.ts
@@ -8,7 +8,7 @@ export function patchAttr(
  value: any,
  isSVG: boolean
 ) {
-  if (isSVG && key.indexOf('xlink:') === 0) {
+  if (isSVG && key.startsWith('xlink:')) {
    if (value == null) {
      el.removeAttributeNS(xlinkNS, key.slice(6, key.length))
    } else {
--- a/packages/runtime-dom/src/patchProp.ts
+++ b/packages/runtime-dom/src/patchProp.ts
@@ -30,7 +30,7 @@ export const patchProp: RendererOptions<Node, Element>['patchProp'] = (
    default:
      if (isOn(key)) {
        // ignore v-model listeners
-        if (key.indexOf('onUpdate:') < 0) {
+        if (!key.startsWith('onUpdate:')) {
          patchEvent(el, key, prevValue, nextValue, parentComponent)
        }
      } else if (