42 lines
826 B
JavaScript
42 lines
826 B
JavaScript
const SCROLL_DELTA = 48;
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const scrollLines = (page, count) => {
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let x = page.scrollX;
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let y = page.scrollY + SCROLL_DELTA * count;
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page.scrollTo(x, y);
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};
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const scrollPages = (page, count) => {
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let height = page.innerHeight;
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let x = page.scrollX;
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let y = page.scrollY + height * count;
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page.scrollTo(x, y);
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};
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const scrollTop = (page) => {
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let x = page.scrollX;
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let y = 0;
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page.scrollTo(x, y);
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};
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const scrollBottom = (page) => {
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let x = page.scrollX;
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let y = page.scrollMaxY;
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page.scrollTo(x, y);
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};
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const scrollLeft = (page) => {
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let x = 0;
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let y = page.scrollY;
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page.scrollTo(x, y);
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};
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const scrollRight = (page) => {
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let x = page.scrollMaxX;
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let y = page.scrollY;
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page.scrollTo(x, y);
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};
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export {
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scrollLines, scrollPages, scrollTop, scrollBottom, scrollLeft, scrollRight
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};
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