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Reintroduce universal selector optimization behind experimental flag

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This commit is contained in:
Adam Wathan 2021-09-06 13:58:02 -04:00
parent 2dac5bb569
commit a9e160cf9a
2 changed files with 8 additions and 5 deletions
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2
src/featureFlags.js
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@ -4,7 +4,7 @@ import log from './util/log'
const featureFlags = {
future: [],
experimental: [],
experimental: ['optimizeUniversalDefaults'],
}
export function flagEnabled(config, flag) {

11
src/lib/resolveDefaultsAtRules.js
View File

@ -1,5 +1,6 @@
import postcss from 'postcss'
import selectorParser from 'postcss-selector-parser'
import { flagEnabled } from '../featureFlags'
function minimumImpactSelector(nodes) {
let pseudos = nodes.filter((n) => n.type === 'pseudo')
@ -51,7 +52,7 @@ function extractElementSelector(selector) {
return cache.get(selector)
}
export default function resolveDefaultsAtRules() {
export default function resolveDefaultsAtRules({ tailwindConfig }) {
return (root) => {
let variableNodeMap = new Map()
let universals = new Set()
@ -90,9 +91,11 @@ export default function resolveDefaultsAtRules() {
let universalRule = postcss.rule()
// TODO: Fix this, this is a hotfix
// universalRule.selectors = [...selectors]
universalRule.selectors = ['*', '::before', '::after']
if (flagEnabled(tailwindConfig, 'optimizeUniversalDefaults')) {
universalRule.selectors = [...selectors]
} else {
universalRule.selectors = ['*', '::before', '::after']
}
universalRule.append(universal.nodes)
universal.before(universalRule)