132 lines
3.4 KiB
JavaScript
132 lines
3.4 KiB
JavaScript
export function toArray(children) {
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const c = [];
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children.forEach(child => {
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if (child.data) {
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c.push(child);
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}
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});
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return c;
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}
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export function getActiveIndex(children, activeKey) {
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const c = toArray(children);
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for (let i = 0; i < c.length; i++) {
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if (c[i].key === activeKey) {
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return i;
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}
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}
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return -1;
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}
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export function getActiveKey(children, index) {
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const c = toArray(children);
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return c[index].key;
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}
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export function setTransform(style, v) {
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style.transform = v;
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style.webkitTransform = v;
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style.mozTransform = v;
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}
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export function isTransform3dSupported(style) {
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return (
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('transform' in style || 'webkitTransform' in style || 'MozTransform' in style) && window.atob
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);
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}
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export function setTransition(style, v) {
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style.transition = v;
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style.webkitTransition = v;
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style.MozTransition = v;
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}
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export function getTransformPropValue(v) {
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return {
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transform: v,
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WebkitTransform: v,
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MozTransform: v,
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};
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}
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export function isVertical(tabBarPosition) {
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return tabBarPosition === 'left' || tabBarPosition === 'right';
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}
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export function getTransformByIndex(index, tabBarPosition, direction = 'ltr') {
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const translate = isVertical(tabBarPosition) ? 'translateY' : 'translateX';
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if (!isVertical(tabBarPosition) && direction === 'rtl') {
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return `${translate}(${index * 100}%) translateZ(0)`;
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}
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return `${translate}(${-index * 100}%) translateZ(0)`;
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}
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export function getMarginStyle(index, tabBarPosition) {
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const marginDirection = isVertical(tabBarPosition) ? 'marginTop' : 'marginLeft';
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return {
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[marginDirection]: `${-index * 100}%`,
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};
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}
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export function getStyle(el, property) {
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return +window
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.getComputedStyle(el)
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.getPropertyValue(property)
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.replace('px', '');
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}
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export function setPxStyle(el, value, vertical) {
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value = vertical ? `0px, ${value}px, 0px` : `${value}px, 0px, 0px`;
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setTransform(el.style, `translate3d(${value})`);
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}
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export function getDataAttr(props) {
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return Object.keys(props).reduce((prev, key) => {
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if (key.substr(0, 5) === 'aria-' || key.substr(0, 5) === 'data-' || key === 'role') {
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prev[key] = props[key];
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}
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return prev;
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}, {});
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}
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function toNum(style, property) {
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return +style.getPropertyValue(property).replace('px', '');
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}
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function getTypeValue(start, current, end, tabNode, wrapperNode) {
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let total = getStyle(wrapperNode, `padding-${start}`);
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if (!tabNode || !tabNode.parentNode) {
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return total;
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}
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const { childNodes } = tabNode.parentNode;
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Array.prototype.some.call(childNodes, node => {
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const style = window.getComputedStyle(node);
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if (node !== tabNode) {
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total += toNum(style, `margin-${start}`);
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total += node[current];
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total += toNum(style, `margin-${end}`);
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if (style.boxSizing === 'content-box') {
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total += toNum(style, `border-${start}-width`) + toNum(style, `border-${end}-width`);
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}
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return false;
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}
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// We need count current node margin
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// ref: https://github.com/react-component/tabs/pull/139#issuecomment-431005262
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total += toNum(style, `margin-${start}`);
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return true;
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});
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return total;
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}
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export function getLeft(tabNode, wrapperNode) {
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return getTypeValue('left', 'offsetWidth', 'right', tabNode, wrapperNode);
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}
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export function getTop(tabNode, wrapperNode) {
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return getTypeValue('top', 'offsetHeight', 'bottom', tabNode, wrapperNode);
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}
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