미디어위키:Responsive-arrow.js

"use strict";
{
    const arrowArray = document.getElementsByClassName('arrow-dataset');
    for (const arrowElement of arrowArray) {
        const data = Object.create(arrowElement.dataset);
        data.thick = Number(data.thick);
        data.pointLength = Number(data.pointLength);
        data.pointDeg = Number(data.pointDeg);
        const arrowBox = arrowElement.parentElement;
        const arrowPoint = arrowElement.nextElementSibling;
        const arrowShaft = arrowPoint.nextElementSibling;
        arrowPoint.style.borderWidth =
            arrowShaft.style.borderWidth = `${data.thick}px`;
        arrowPoint.style.position = arrowShaft.style.position = 'absolute';
        arrowPoint.style.borderRadius = arrowShaft.style.borderRadius = '100px';
        arrowPoint.style.background =
            arrowPoint.style.borderColor =
                arrowShaft.style.background =
                    arrowShaft.style.borderColor =
                        data.color;
        arrowPoint.style.transformBox = 'fill-box';
        switch (data.direction) {
            case 'left':
                if (data.pointDirection === 'right') {
                    arrowBox.style.alignItems = 'flex-end';
                }
                else {
                    arrowBox.style.alignItems = 'flex-start';
                }
                arrowPoint.style.transformOrigin = 'left';
                arrowPoint.style.left = "0px";
                break;
            case 'right':
                if (data.pointDirection === 'right') {
                    arrowBox.style.alignItems = 'flex-start';
                }
                else {
                    arrowBox.style.alignItems = 'flex-end';
                }
                arrowPoint.style.transformOrigin = 'right';
                arrowPoint.style.right = "0px";
                break;
            case 'up':
                if (data.pointDirection === 'right') {
                    arrowBox.style.justifyContent = 'flex-start';
                }
                else {
                    arrowBox.style.justifyContent = 'flex-end';
                }
                arrowPoint.style.transformOrigin = 'top';
                arrowPoint.style.top = "0px";
                break;
            case 'down':
                if (data.pointDirection === 'right') {
                    arrowBox.style.justifyContent = 'flex-end';
                }
                else {
                    arrowBox.style.justifyContent = 'flex-start';
                }
                arrowPoint.style.transformOrigin = 'bottom';
                arrowPoint.style.bottom = "0px";
                break;
            default:
                break;
        }
        switch (data.direction) {
            case 'left':
            case 'right':
                arrowPoint.style.height = "0px";
                arrowPoint.style.width = `${data.pointLength}px`;
                arrowBox.style.minHeight = `${data.pointLength *
                    Math.sin((data.pointDeg * Math.PI) / 180) *
                    (data.pointDirection === 'both' ? 2 : 1) +
                    data.thick +
                    1}px`;
                arrowBox.style.width = data.length ? `${data.length}px` : "";
                arrowShaft.style.left = arrowShaft.style.right = "0px";
                break;
            case 'up':
            case 'down':
                arrowPoint.style.width = "0px";
                arrowPoint.style.height = `${data.pointLength}px`;
                arrowBox.style.minWidth = `${data.pointLength *
                    Math.sin((data.pointDeg * Math.PI) / 180) *
                    (data.pointDirection === 'both' ? 2 : 1) +
                    data.thick +
                    1}px`;
                arrowBox.style.height = `${data.length || 100}px`;
                arrowShaft.style.top = arrowShaft.style.bottom = "0px";
                break;
        }
        switch (data.pointDirection) {
            case 'left':
                arrowPoint.style.rotate = `${data.pointDeg}deg`;
                break;
            case 'right':
                arrowPoint.style.rotate = `${-data.pointDeg}deg`;
                break;
            case 'both': {
                arrowPoint.style.rotate = `${data.pointDeg}deg`;
                const arrowPoint2 = arrowPoint.cloneNode(true);
                arrowPoint2.style.rotate = `${-data.pointDeg}deg`;
                arrowBox.style.alignItems = 'center';
                arrowBox.style.justifyContent = 'center';
                arrowBox.appendChild(arrowPoint2);
                break;
            }
        }
    }
}