@@ -1836,52 +1836,49 @@ it('retains initial render region when an item is appended', async () => {
18361836 expect ( component ) . toMatchSnapshot ( ) ;
18371837} ) ;
18381838
1839- it (
1840- 'retains batch render region when an item is appended' ,
1841- async ( ) => {
1842- const items = generateItems ( 10 ) ;
1843- const ITEM_HEIGHT = 10 ;
1839+ it ( 'retains batch render region when an item is appended' , async ( ) => {
1840+ const items = generateItems ( 10 ) ;
1841+ const ITEM_HEIGHT = 10 ;
18441842
1845- let component ;
1846- await act ( ( ) => {
1847- component = create (
1848- < VirtualizedList
1849- initialNumToRender = { 1 }
1850- maxToRenderPerBatch = { 1 }
1851- { ...baseItemProps ( items ) }
1852- { ...fixedHeightItemLayoutProps ( ITEM_HEIGHT ) }
1853- /> ,
1854- ) ;
1855- } ) ;
1843+ let component ;
1844+ await act ( ( ) => {
1845+ component = create (
1846+ < VirtualizedList
1847+ initialNumToRender = { 1 }
1848+ maxToRenderPerBatch = { 1 }
1849+ { ...baseItemProps ( items ) }
1850+ { ...fixedHeightItemLayoutProps ( ITEM_HEIGHT ) }
1851+ /> ,
1852+ ) ;
1853+ } ) ;
18561854
1857- await act ( ( ) => {
1858- simulateLayout ( component , {
1859- viewport : { width : 10 , height : 50 } ,
1860- content : { width : 10 , height : 100 } ,
1861- } ) ;
1855+ await act ( ( ) => {
1856+ simulateLayout ( component , {
1857+ viewport : { width : 10 , height : 50 } ,
1858+ content : { width : 10 , height : 100 } ,
18621859 } ) ;
1860+ } ) ;
18631861
1864- await advanceUntilLastCellIndexRendered ( component , items . length - 1 ) ;
1862+ await advanceUntilLastCellIndexRendered ( component , items . length - 1 ) ;
18651863
1866- await act ( ( ) => {
1867- component . update (
1868- < VirtualizedList
1869- initialNumToRender = { 1 }
1870- maxToRenderPerBatch = { 1 }
1871- { ...baseItemProps ( items ) }
1872- { ...fixedHeightItemLayoutProps ( ITEM_HEIGHT ) }
1873- data = { generateItems ( 11 ) }
1874- /> ,
1875- ) ;
1876- } ) ;
1864+ await act ( ( ) => {
1865+ component . update (
1866+ < VirtualizedList
1867+ initialNumToRender = { 1 }
1868+ maxToRenderPerBatch = { 1 }
1869+ { ...baseItemProps ( items ) }
1870+ { ...fixedHeightItemLayoutProps ( ITEM_HEIGHT ) }
1871+ data = { generateItems ( 11 ) }
1872+ /> ,
1873+ ) ;
1874+ } ) ;
18771875
1878- // Adding an item to the list after batch render should keep the existing
1879- // rendered items rendered. We batch render 10 items, then add an 11th. Expect
1880- // the first ten items to be present, with a spacer for the 11th until the
1881- // next batch render.
1882- expect ( component ) . toMatchSnapshot ( ) ;
1883- } ,
1884- ) ;
1876+ // Adding an item to the list after batch render should keep the existing
1877+ // rendered items rendered. We batch render 10 items, then add an 11th. Expect
1878+ // the first ten items to be present, with a spacer for the 11th until the
1879+ // next batch render.
1880+ expect ( component ) . toMatchSnapshot ( ) ;
1881+ } ) ;
18851882
18861883it ( 'constrains batch render region when an item is removed' , async ( ) => {
18871884 const items = generateItems ( 10 ) ;
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