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const SCROLL_DELTA_X = 48;
const SCROLL_DELTA_Y = 48;
const scrollVertically = (page, count) => {
let x = page.scrollX;
let y = page.scrollY + SCROLL_DELTA_X * count;
page.scrollTo(x, y);
};
const scrollHorizonally = (page, count) => {
let x = page.scrollX + SCROLL_DELTA_Y * count;
let y = page.scrollY;
page.scrollTo(x, y);
};
const scrollPages = (page, count) => {
let height = page.innerHeight;
let x = page.scrollX;
let y = page.scrollY + height * count;
page.scrollTo(x, y);
};
const scrollTop = (page) => {
let x = page.scrollX;
let y = 0;
page.scrollTo(x, y);
};
const scrollBottom = (page) => {
let x = page.scrollX;
let y = page.scrollMaxY;
page.scrollTo(x, y);
};
const scrollHome = (page) => {
let x = 0;
let y = page.scrollY;
page.scrollTo(x, y);
};
const scrollEnd = (page) => {
let x = page.scrollMaxX;
let y = page.scrollY;
page.scrollTo(x, y);
};
export {
scrollVertically, scrollHorizonally, scrollPages,
scrollTop, scrollBottom, scrollHome, scrollEnd
};
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