138 lines
4.3 KiB
JavaScript
138 lines
4.3 KiB
JavaScript
import _ from 'lodash'
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import postcss from 'postcss'
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import Node from 'postcss/lib/node'
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import isFunction from 'lodash/isFunction'
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import escapeClassName from '../util/escapeClassName'
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import generateVariantFunction from '../util/generateVariantFunction'
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import parseObjectStyles from '../util/parseObjectStyles'
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import prefixSelector from '../util/prefixSelector'
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import wrapWithVariants from '../util/wrapWithVariants'
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import cloneNodes from '../util/cloneNodes'
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import transformThemeValue from './transformThemeValue'
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function parseStyles(styles) {
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if (!Array.isArray(styles)) {
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return parseStyles([styles])
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}
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return _.flatMap(styles, (style) => (style instanceof Node ? style : parseObjectStyles(style)))
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}
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function wrapWithLayer(rules, layer) {
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return postcss
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.atRule({
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name: 'layer',
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params: layer,
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})
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.append(cloneNodes(Array.isArray(rules) ? rules : [rules]))
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}
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function isKeyframeRule(rule) {
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return rule.parent && rule.parent.type === 'atrule' && /keyframes$/.test(rule.parent.name)
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}
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export default function (plugins, config) {
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const pluginBaseStyles = []
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const pluginComponents = []
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const pluginUtilities = []
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const pluginVariantGenerators = {}
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const applyConfiguredPrefix = (selector) => {
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return prefixSelector(config.prefix, selector)
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}
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const getConfigValue = (path, defaultValue) => (path ? _.get(config, path, defaultValue) : config)
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plugins.forEach((plugin) => {
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if (plugin.__isOptionsFunction) {
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plugin = plugin()
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}
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const handler = isFunction(plugin) ? plugin : _.get(plugin, 'handler', () => {})
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handler({
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postcss,
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config: getConfigValue,
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theme: (path, defaultValue) => {
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const [pathRoot, ...subPaths] = _.toPath(path)
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const value = getConfigValue(['theme', pathRoot, ...subPaths], defaultValue)
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return transformThemeValue(pathRoot)(value)
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},
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corePlugins: (path) => {
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if (Array.isArray(config.corePlugins)) {
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return config.corePlugins.includes(path)
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}
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return getConfigValue(`corePlugins.${path}`, true)
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},
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variants: (path, defaultValue) => {
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if (Array.isArray(config.variants)) {
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return config.variants
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}
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return getConfigValue(`variants.${path}`, defaultValue)
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},
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e: escapeClassName,
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prefix: applyConfiguredPrefix,
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addUtilities: (utilities, options) => {
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const defaultOptions = { variants: [], respectPrefix: true, respectImportant: true }
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options = Array.isArray(options)
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? Object.assign({}, defaultOptions, { variants: options })
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: _.defaults(options, defaultOptions)
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const styles = postcss.root({ nodes: parseStyles(utilities) })
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styles.walkRules((rule) => {
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if (options.respectPrefix && !isKeyframeRule(rule)) {
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rule.selector = applyConfiguredPrefix(rule.selector)
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}
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if (options.respectImportant && config.important) {
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rule.__tailwind = {
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...rule.__tailwind,
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important: config.important,
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}
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}
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})
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pluginUtilities.push(
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wrapWithLayer(wrapWithVariants(styles.nodes, options.variants), 'utilities')
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)
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},
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addComponents: (components, options) => {
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const defaultOptions = { variants: [], respectPrefix: true }
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options = Array.isArray(options)
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? Object.assign({}, defaultOptions, { variants: options })
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: _.defaults(options, defaultOptions)
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const styles = postcss.root({ nodes: parseStyles(components) })
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styles.walkRules((rule) => {
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if (options.respectPrefix && !isKeyframeRule(rule)) {
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rule.selector = applyConfiguredPrefix(rule.selector)
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}
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})
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pluginComponents.push(
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wrapWithLayer(wrapWithVariants(styles.nodes, options.variants), 'components')
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)
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},
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addBase: (baseStyles) => {
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pluginBaseStyles.push(wrapWithLayer(parseStyles(baseStyles), 'base'))
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},
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addVariant: (name, generator, options = {}) => {
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pluginVariantGenerators[name] = generateVariantFunction(generator, options)
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},
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})
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})
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return {
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base: pluginBaseStyles,
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components: pluginComponents,
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utilities: pluginUtilities,
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variantGenerators: pluginVariantGenerators,
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}
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}
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