element-plus
Version:
A Component Library for Vue 3
51 lines (48 loc) • 1.71 kB
JavaScript
import { LTR, RTL, HORIZONTAL, FORWARD, BACKWARD, RTL_OFFSET_POS_DESC, RTL_OFFSET_NAG, RTL_OFFSET_POS_ASC } from './defaults.mjs';
const getScrollDir = (prev, cur) => prev < cur ? FORWARD : BACKWARD;
const isHorizontal = (dir) => dir === LTR || dir === RTL || dir === HORIZONTAL;
const isRTL = (dir) => dir === RTL;
let cachedRTLResult = null;
function getRTLOffsetType(recalculate = false) {
if (cachedRTLResult === null || recalculate) {
const outerDiv = document.createElement("div");
const outerStyle = outerDiv.style;
outerStyle.width = "50px";
outerStyle.height = "50px";
outerStyle.overflow = "scroll";
outerStyle.direction = "rtl";
const innerDiv = document.createElement("div");
const innerStyle = innerDiv.style;
innerStyle.width = "100px";
innerStyle.height = "100px";
outerDiv.appendChild(innerDiv);
document.body.appendChild(outerDiv);
if (outerDiv.scrollLeft > 0) {
cachedRTLResult = RTL_OFFSET_POS_DESC;
} else {
outerDiv.scrollLeft = 1;
if (outerDiv.scrollLeft === 0) {
cachedRTLResult = RTL_OFFSET_NAG;
} else {
cachedRTLResult = RTL_OFFSET_POS_ASC;
}
}
document.body.removeChild(outerDiv);
return cachedRTLResult;
}
return cachedRTLResult;
}
function renderThumbStyle({ move, size, bar }, layout) {
const style = {};
const translate = `translate${bar.axis}(${move}px)`;
style[bar.size] = size;
style.transform = translate;
if (layout === "horizontal") {
style.height = "100%";
} else {
style.width = "100%";
}
return style;
}
export { getRTLOffsetType, getScrollDir, isHorizontal, isRTL, renderThumbStyle };
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