Commited720ef

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improve perf with array pre-allocate (#403)

1 parent77595a1 commited720efCopy full SHA for ed720ef

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+12

-7

lines changed

+12

-7

lines changed

Lines changed: 5 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,5 @@`
	`1`	`+---`
	`2`	`+'preact-render-to-string':patch`
	`3`	`+---`
	`4`	`+`
	`5`	`+Improve performance by pre-allocating arrays`

Lines changed: 4 additions & 5 deletions

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Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -244,7 +244,8 @@ function _renderToString(`
`244`	`244`	`letrendered=EMPTY_STR,`
`245`	`245`	`renderArray;`
`246`	`246`	`parent[CHILDREN]=vnode;`
`247`		`-for(leti=0;i<vnode.length;i++){`
	`247`	`+constvnodeLength=vnode.length;`
	`248`	`+for(leti=0;i<vnodeLength;i++){`
`248`	`249`	`letchild=vnode[i];`
`249`	`250`	`if(child==null\|\|typeofchild=='boolean')continue;`
`250`	`251`
`@@ -262,7 +263,7 @@ function _renderToString(`
`262`	`263`	`rendered=rendered+childRender;`
`263`	`264`	`}else{`
`264`	`265`	`if(!renderArray){`
`265`		`-renderArray=[];`
	`266`	`+renderArray=newArray(vnodeLength);`
`266`	`267`	`}`
`267`	`268`
`268`	`269`	`if(rendered)renderArray.push(rendered);`

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