Optimize uuid

jiaming743 · jiaming743 · commit 026d9139c4aa · 2020-07-02T11:00:19.000+08:00
diff --git a/src/util/index.js b/src/util/index.js
@@ -38,10 +38,10 @@ export function getPointDistance (pointOne, pointTwo) {
   return Math.sqrt(minusX * minusX + minusY * minusY)
 }
 
-export function uuid () {
-  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+export function uuid (hasHyphen) {
+  return (hasHyphen ? 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx' : 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx').replace(/[xy]/g, function (c) {
 		const r = Math.random() * 16 | 0
 		const v = c == 'x' ? r : (r & 0x3 | 0x8)
 		return v.toString(16)
-	})
+  })
 }

Original file line number	Diff line number	Diff line change
`@@ -38,10 +38,10 @@ export function getPointDistance (pointOne, pointTwo) {`
`38`	`38`	`return Math.sqrt(minusX * minusX + minusY * minusY)`
`39`	`39`	`}`
`40`	`40`
`41`		`-export function uuid () {`
`42`		`- return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {`
	`41`	`+export function uuid (hasHyphen) {`
	`42`	`+ return (hasHyphen ? 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx' : 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx').replace(/[xy]/g, function (c) {`
`43`	`43`	`const r = Math.random() * 16 \| 0`
`44`	`44`	`const v = c == 'x' ? r : (r & 0x3 \| 0x8)`
`45`	`45`	`return v.toString(16)`
`46`		`- })`
	`46`	`+ })`
`47`	`47`	`}`