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@jfreeze
Last active March 3, 2020 03:34
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const glob = require('glob');
const fs = require('fs');
// Locate lib/<app>_web/ to locate .l?eex files
const files = fs.readdirSync('../lib/');
const appWeb = files.filter((file) => file.endsWith("_web"))[0]
const searchPath = '../lib/' + appWeb + '/**/*eex'
const purgecss = require('@fullhuman/postcss-purgecss')({
// Specify the paths to all of the template files in your project
content: [
searchPath
],
// Include any special characters you're using in this regular expression
defaultExtractor: content => content.match(/[\w-/:]+(?<!:)/g) || []
})
const whitelist = require('./whitelist.js');
class TailwindExtractor {
static extract(content) {
return content.match(/[A-Za-z0-9-_:\/]+/g) || [];
}
}
const tailwindcss = require('tailwindcss');
var plugins = [
tailwindcss('./tailwind.config.js'),
require('autoprefixer')({
'browsers': ['> 1%', 'last 2 versions']
})
]
const purge = [
purgecss({
content: glob.sync(searchPath, { nodir: true }),
whitelist: whitelist,
extractors: [
{
extractor: TailwindExtractor,
// Specify the file extensions to include when scanning for
// class names.
extensions: ["eex", "leex"]
}
]
}),
]
if (
process.argv.includes("development") &&
process.argv.includes("--mode")
) {
console.log('[postcss] ...dev mode detected, not purging css')
} else if (
process.argv.includes("production") &&
process.argv.includes("--mode")
) {
console.log('[postcss] ...prod mode detected, purging css')
plugins = plugins.concat(purge)
} else {
console.log("[postcss] ...no mode detected", { process_argv: process.argv })
}
module.exports = {
plugins: [
require('tailwindcss'),
require('autoprefixer')({
'browsers': ['> 1%', 'last 2 versions']
}),
...process.env.NODE_ENV === 'production'
? [purge]
: []
]
}
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