37 lines
874 B
JavaScript
37 lines
874 B
JavaScript
const postcss = require('postcss')
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const uniPostcss = require('@dcloudio/vue-cli-plugin-uni/packages/postcss')
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function toVw(value) {
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return value.replace(/%\?([+-]?\d+(?:\.\d+)?)\?%/g, (match, number) => {
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const rpx = Number(number)
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if (!Number.isFinite(rpx)) {
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return match
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}
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const vw = Number((rpx / 7.5).toFixed(6)).toString()
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return vw === '0' ? '0' : `${vw}vw`
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})
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}
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const rpxPlaceholderToVw = postcss.plugin('rpx-placeholder-to-vw', () => {
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return root => {
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root.walkDecls(decl => {
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if (decl.value && decl.value.includes('%?')) {
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decl.value = toVw(decl.value)
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}
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})
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root.walkAtRules(atRule => {
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if (atRule.params && atRule.params.includes('%?')) {
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atRule.params = toVw(atRule.params)
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}
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})
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}
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})
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module.exports = {
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plugins: [
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uniPostcss(),
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rpxPlaceholderToVw()
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]
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}
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