(node: Element, direction: Direction)
| 64 | } |
| 65 | |
| 66 | export function getScrollLeft(node: Element, direction: Direction): number { |
| 67 | let {scrollLeft} = node; |
| 68 | |
| 69 | // scrollLeft in rtl locales differs across browsers, so normalize. |
| 70 | // See comment by getRTLOffsetType below for details. |
| 71 | if (direction === 'rtl') { |
| 72 | let {scrollWidth, clientWidth} = node; |
| 73 | switch (getRTLOffsetType()) { |
| 74 | case 'negative': |
| 75 | scrollLeft = -scrollLeft; |
| 76 | break; |
| 77 | case 'positive-descending': |
| 78 | scrollLeft = scrollWidth - clientWidth - scrollLeft; |
| 79 | break; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | return scrollLeft; |
| 84 | } |
| 85 | |
| 86 | export function setScrollLeft(node: Element, direction: Direction, scrollLeft: number): void { |
| 87 | if (direction === 'rtl') { |
no test coverage detected