@fluentui/react
Version:
Reusable React components for building web experiences.
48 lines • 1.76 kB
JavaScript
define(["require", "exports"], function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.setScrollYPosition = exports.getScrollYPosition = exports.getScrollHeight = void 0;
var getScrollHeight = function (el) {
if (el === undefined) {
return 0;
}
var scrollHeight = 0;
if ('scrollHeight' in el) {
scrollHeight = el.scrollHeight;
}
else if ('document' in el) {
scrollHeight = el.document.documentElement.scrollHeight;
}
// No need to round as scrollHeight is already rounded for us.
// See: https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollHeight
return scrollHeight;
};
exports.getScrollHeight = getScrollHeight;
var getScrollYPosition = function (el) {
if (el === undefined) {
return 0;
}
var scrollPos = 0;
if ('scrollTop' in el) {
scrollPos = el.scrollTop;
}
else if ('scrollY' in el) {
scrollPos = el.scrollY;
}
// Round this value to an integer as it may be fractional.
// See: https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollTop
// See: https://developer.mozilla.org/en-US/docs/Web/API/Window/scrollY
return Math.ceil(scrollPos);
};
exports.getScrollYPosition = getScrollYPosition;
var setScrollYPosition = function (el, pos) {
if ('scrollTop' in el) {
el.scrollTop = pos;
}
else if ('scrollY' in el) {
el.scrollTo(el.scrollX, pos);
}
};
exports.setScrollYPosition = setScrollYPosition;
});
//# sourceMappingURL=scroll.js.map