85 lines
2.5 KiB
JavaScript
85 lines
2.5 KiB
JavaScript
import { genComponentStyleHook, mergeToken } from '../../theme/internal';
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import { resetComponent } from '../../style';
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// ============================== Shared ==============================
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const genSharedBackTopStyle = token => {
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const {
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componentCls,
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backTopFontSize,
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backTopSize,
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zIndexPopup
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} = token;
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return {
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[componentCls]: Object.assign(Object.assign({}, resetComponent(token)), {
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position: 'fixed',
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insetInlineEnd: token.backTopInlineEnd,
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insetBlockEnd: token.backTopBlockEnd,
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zIndex: zIndexPopup,
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width: 40,
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height: 40,
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cursor: 'pointer',
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'&:empty': {
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display: 'none'
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},
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[`${componentCls}-content`]: {
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width: backTopSize,
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height: backTopSize,
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overflow: 'hidden',
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color: token.backTopColor,
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textAlign: 'center',
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backgroundColor: token.backTopBackground,
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borderRadius: backTopSize,
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transition: `all ${token.motionDurationMid}`,
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'&:hover': {
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backgroundColor: token.backTopHoverBackground,
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transition: `all ${token.motionDurationMid}`
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}
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},
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// change to .backtop .backtop-icon
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[`${componentCls}-icon`]: {
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fontSize: backTopFontSize,
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lineHeight: `${backTopSize}px`
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}
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})
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};
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};
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const genMediaBackTopStyle = token => {
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const {
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componentCls
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} = token;
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return {
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[`@media (max-width: ${token.screenMD}px)`]: {
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[componentCls]: {
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insetInlineEnd: token.backTopInlineEndMD
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}
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},
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[`@media (max-width: ${token.screenXS}px)`]: {
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[componentCls]: {
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insetInlineEnd: token.backTopInlineEndXS
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}
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}
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};
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};
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// ============================== Export ==============================
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export default genComponentStyleHook('BackTop', token => {
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const {
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fontSizeHeading3,
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colorTextDescription,
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colorTextLightSolid,
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colorText,
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controlHeightLG
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} = token;
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const backTopToken = mergeToken(token, {
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backTopBackground: colorTextDescription,
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backTopColor: colorTextLightSolid,
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backTopHoverBackground: colorText,
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backTopFontSize: fontSizeHeading3,
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backTopSize: controlHeightLG,
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backTopBlockEnd: controlHeightLG * 1.25,
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backTopInlineEnd: controlHeightLG * 2.5,
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backTopInlineEndMD: controlHeightLG * 1.5,
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backTopInlineEndXS: controlHeightLG * 0.5
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});
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return [genSharedBackTopStyle(backTopToken), genMediaBackTopStyle(backTopToken)];
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}, token => ({
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zIndexPopup: token.zIndexBase + 10
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})); |