44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
// shortkey的 字典变量
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const _s = {
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m: 'margin',
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p: 'padding',
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w: 'width',
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h: 'height',
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r: '-right',
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l: '-left',
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b: '-bottom',
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t: '-top',
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};
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export default function builder(option) {
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const isRem = !!option.isRem;
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const $t = num => (isRem ? `${num}rem` : `${num}px`);
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return {
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rules: [
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// 高宽， 字体，行高 f12 lh20 w200 h200 box78
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[/^(w|h)(\d+)$/, ([, attr, num]) => ({ [`${_s[attr]}`]: $t(num) })],
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// 高宽百分比 wp33 hp50
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[/^(w|h)p(\d+)$/, ([, attr, num]) => ({ [`${_s[attr]}`]: `${num}%` })],
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// 内外边距 *可负* m10 mr10 mt-10 mx20 my-10 p10 pr10
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[/^([mp])([rlbt]?)(-?\d+)$/, ([, attr, pos, num]) => ({ [`${_s[attr]}${pos ? _s[pos] : ''}`]: $t(num) })],
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// 内外边距auto m-auto mt-auto mx-auto
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[/^([mp])([rlbt]?)-auto$/, ([, attr, pos]) => ({ [`${_s[attr]}${pos ? _s[pos] : ''}`]: 'auto' })],
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// abs 定位时 *可负* left0 right50 bottom-20 top-unset
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[/^(left|top|right|bottom)(-?\d+)$/, ([, pos, num]) => ({ [`${pos}`]: $t(num) })],
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[/^(left|top|right|bottom)-(auto|unset)$/, ([, pos, val]) => ({ [`${pos}`]: val })],
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],
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shortcuts: [
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[/^(m|p)x(-?\d+)$/, ([, t, c]) => `${t}l${c} ${t}r${c}`],
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[/^(m|p)y(-?\d+)$/, ([, t, c]) => `${t}t${c} ${t}b${c}`],
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[/^(m|p)x-auto$/, ([, t, c]) => `${t}l-auto ${t}r-auto`],
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[/^(m|p)y-auto$/, ([, t, c]) => `${t}t-auto ${t}b-auto`],
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[/^box(\d+)$/, ([, w]) => `w${w} h${w}`],
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],
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};
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}
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