tailwindcss/src/index.js
2019-03-05 07:41:26 -05:00

74 lines
1.9 KiB
JavaScript

import path from 'path'
import fs from 'fs'
import _ from 'lodash'
import postcss from 'postcss'
import perfectionist from 'perfectionist'
import registerConfigAsDependency from './lib/registerConfigAsDependency'
import processTailwindFeatures from './processTailwindFeatures'
import resolveConfig from './util/resolveConfig'
function resolveConfigPath(filePath) {
if (_.isObject(filePath)) {
return undefined
}
if (!_.isUndefined(filePath)) {
return path.resolve(filePath)
}
try {
const defaultConfigPath = path.resolve('./tailwind.config.js')
fs.accessSync(defaultConfigPath)
return defaultConfigPath
} catch (err) {
return undefined
}
}
const getConfigFunction = config => () => {
if (_.isUndefined(config) && !_.isObject(config)) {
return resolveConfig([require('../defaultConfig')()])
}
if (!_.isObject(config)) {
delete require.cache[require.resolve(config)]
}
return resolveConfig([
_.isObject(config) ? config : require(config),
require('../defaultConfig')(),
])
}
const plugin = postcss.plugin('tailwind', config => {
const plugins = []
const resolvedConfigPath = resolveConfigPath(config)
if (!_.isUndefined(resolvedConfigPath)) {
plugins.push(registerConfigAsDependency(resolvedConfigPath))
}
return postcss([
...plugins,
processTailwindFeatures(getConfigFunction(resolvedConfigPath || config)),
perfectionist({
cascade: true,
colorShorthand: true,
indentSize: 2,
maxSelectorLength: 1,
maxValueLength: false,
trimLeadingZero: true,
trimTrailingZeros: true,
zeroLengthNoUnit: false,
}),
])
})
plugin.defaultConfig = function() {
// prettier-ignore
throw new Error("`require('tailwindcss').defaultConfig()` is no longer a function, access it instead as `require('tailwindcss/defaultConfig')()`.")
}
module.exports = plugin