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Optimize rebuilds in long-running processes

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This commit is contained in:
Adam Wathan 2020-08-19 09:33:03 -04:00
parent d3606b76dc
commit ef149cfafb
8 changed files with 122 additions and 139 deletions
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26
src/processTailwindFeatures.js
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@ -16,25 +16,33 @@ import processPlugins from './util/processPlugins'
import cloneNodes from './util/cloneNodes'
import { issueFlagNotices } from './featureFlags.js'
import hash from 'object-hash'
let flagsIssued = null
let previousConfig = null
let processedPlugins = null
let getProcessedPlugins = null
export default function(getConfig) {
return function(css) {
const config = getConfig()
const configChanged = hash(previousConfig) !== hash(config)
previousConfig = config
if (!flagsIssued || !_.isEqual(flagsIssued, _.pick(config, ['future', 'experimental']))) {
flagsIssued = _.pick(config, ['future', 'experimental'])
issueFlagNotices(config)
}
const processedPlugins = processPlugins([...corePlugins(config), ...config.plugins], config)
const getProcessedPlugins = function() {
return {
...processedPlugins,
base: cloneNodes(processedPlugins.base),
components: cloneNodes(processedPlugins.components),
utilities: cloneNodes(processedPlugins.utilities),
if (configChanged) {
processedPlugins = processPlugins([...corePlugins(config), ...config.plugins], config)
getProcessedPlugins = function() {
return {
...processedPlugins,
base: cloneNodes(processedPlugins.base),
components: cloneNodes(processedPlugins.components),
utilities: cloneNodes(processedPlugins.utilities),
}
}
}
@ -45,7 +53,7 @@ export default function(getConfig) {
substituteResponsiveAtRules(config),
convertLayerAtRulesToControlComments(config),
substituteScreenAtRules(config),
substituteClassApplyAtRules(config, getProcessedPlugins),
substituteClassApplyAtRules(config, getProcessedPlugins, configChanged),
applyImportantConfiguration(config),
purgeUnusedStyles(config),
]).process(css, { from: _.get(css, 'source.input.file') })