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🎨 Simplify conditional

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This commit is contained in:
Antonio Scandurra
2015-05-13 12:39:32 +02:00
parent 6d38d1c4e0
commit 467f4a30d7
1 changed files with 8 additions and 4 deletions
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12
src/text-editor-presenter.coffee
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@@ -304,6 +304,11 @@ class TextEditorPresenter
tileForRow: (row) ->
row - (row % @tileSize)
isValidTile: (tileId) ->
return false unless tileId?
tileId <= @tileForRow(@model.getLastScreenRow())
getVisibleTilesRange: ->
startTileRow = Math.max(0, @tileForRow(@startRow))
endTileRow = Math.min(
@@ -330,10 +335,9 @@ class TextEditorPresenter
visibleTiles[startRow] = true
if @scrollingTileId?
if @scrollingTileId <= @tileForRow(@model.getLastScreenRow())
visibleTiles[@scrollingTileId] = true
@state.content.tiles[@scrollingTileId].display = "none"
if @isValidTile(@scrollingTileId) and not visibleTiles[@scrollingTileId]?
@state.content.tiles[@scrollingTileId].display = "none"
visibleTiles[@scrollingTileId] = true
for id, tile of @state.content.tiles
continue if visibleTiles.hasOwnProperty(id)