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authorDimitri Staessens <[email protected]>2019-10-06 21:37:45 +0200
committerDimitri Staessens <[email protected]>2019-10-06 21:37:45 +0200
commit3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch)
treec7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/postcss-cli/index.js
parent412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff)
downloadwebsite-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz
website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip
build: Add some required modules for node
Diffstat (limited to 'node_modules/postcss-cli/index.js')
-rw-r--r--node_modules/postcss-cli/index.js284
1 files changed, 284 insertions, 0 deletions
diff --git a/node_modules/postcss-cli/index.js b/node_modules/postcss-cli/index.js
new file mode 100644
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+++ b/node_modules/postcss-cli/index.js
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+'use strict'
+
+const fs = require('fs-extra')
+const path = require('path')
+
+const prettyHrtime = require('pretty-hrtime')
+const stdin = require('get-stdin')
+const read = require('read-cache')
+const chalk = require('chalk')
+const globber = require('globby')
+const chokidar = require('chokidar')
+
+const postcss = require('postcss')
+const postcssrc = require('postcss-load-config')
+const reporter = require('postcss-reporter/lib/formatter')()
+
+const argv = require('./lib/args')
+const depGraph = require('./lib/depGraph')
+
+const dir = argv.dir
+
+let input = argv._
+const output = argv.output
+
+if (argv.map) argv.map = { inline: false }
+
+const cliConfig = {
+ options: {
+ map: argv.map !== undefined ? argv.map : { inline: true },
+ parser: argv.parser ? require(argv.parser) : undefined,
+ syntax: argv.syntax ? require(argv.syntax) : undefined,
+ stringifier: argv.stringifier ? require(argv.stringifier) : undefined
+ },
+ plugins: argv.use
+ ? argv.use.map(plugin => {
+ try {
+ return require(plugin)()
+ } catch (e) {
+ return error(`Plugin Error: Cannot find module '${plugin}'`)
+ }
+ })
+ : []
+}
+
+let configFile
+
+if (argv.env) process.env.NODE_ENV = argv.env
+if (argv.config) argv.config = path.resolve(argv.config)
+
+Promise.resolve()
+ .then(() => {
+ if (argv.watch && !(argv.output || argv.replace || argv.dir)) {
+ error('Cannot write to stdout in watch mode')
+ }
+ if (input && input.length) return globber(input)
+
+ if (argv.replace || argv.dir) {
+ error(
+ 'Input Error: Cannot use --dir or --replace when reading from stdin'
+ )
+ }
+
+ if (argv.watch) {
+ error('Input Error: Cannot run in watch mode when reading from stdin')
+ }
+
+ return ['stdin']
+ })
+ .then(i => {
+ if (!i || !i.length) {
+ error('Input Error: You must pass a valid list of files to parse')
+ }
+
+ if (i.length > 1 && !argv.dir && !argv.replace) {
+ error(
+ 'Input Error: Must use --dir or --replace with multiple input files'
+ )
+ }
+
+ if (i[0] !== 'stdin') i = i.map(i => path.resolve(i))
+
+ input = i
+
+ return files(input)
+ })
+ .then(results => {
+ if (argv.watch) {
+ const printMessage = () =>
+ printVerbose(chalk.dim('\nWaiting for file changes...'))
+ const watcher = chokidar.watch(input.concat(dependencies(results)), {
+ usePolling: argv.poll,
+ interval: argv.poll && typeof argv.poll === 'number' ? argv.poll : 100,
+ awaitWriteFinish: {
+ stabilityThreshold: 50,
+ pollInterval: 10
+ }
+ })
+
+ if (configFile) watcher.add(configFile)
+
+ watcher.on('ready', printMessage).on('change', file => {
+ let recompile = []
+
+ if (~input.indexOf(file)) recompile.push(file)
+
+ recompile = recompile.concat(
+ depGraph.dependantsOf(file).filter(file => ~input.indexOf(file))
+ )
+
+ if (!recompile.length) recompile = input
+
+ return files(recompile)
+ .then(results => watcher.add(dependencies(results)))
+ .then(printMessage)
+ .catch(error)
+ })
+ }
+ })
+ .catch(err => {
+ error(err)
+
+ process.exit(1)
+ })
+
+function rc(ctx, path) {
+ if (argv.use) return Promise.resolve(cliConfig)
+
+ // Set argv: false to keep cosmiconfig from attempting to read the --config
+ // flag from process.argv
+ return postcssrc(ctx, path, { argv: false })
+ .then(rc => {
+ if (rc.options.from || rc.options.to) {
+ error(
+ 'Config Error: Can not set from or to options in config file, use CLI arguments instead'
+ )
+ }
+ configFile = rc.file
+ return rc
+ })
+ .catch(err => {
+ if (err.message.indexOf('No PostCSS Config found') === -1) throw err
+ })
+}
+
+function files(files) {
+ if (typeof files === 'string') files = [files]
+
+ return Promise.all(
+ files.map(file => {
+ if (file === 'stdin') {
+ return stdin().then(content => {
+ if (!content) return error('Input Error: Did not receive any STDIN')
+ return css(content, 'stdin')
+ })
+ }
+
+ return read(file).then(content => css(content, file))
+ })
+ )
+}
+
+function css(css, file) {
+ const ctx = { options: cliConfig.options }
+
+ if (file !== 'stdin') {
+ ctx.file = {
+ dirname: path.dirname(file),
+ basename: path.basename(file),
+ extname: path.extname(file)
+ }
+
+ if (!argv.config) argv.config = path.dirname(file)
+ }
+
+ const relativePath =
+ file !== 'stdin' ? path.relative(path.resolve(), file) : file
+
+ if (!argv.config) argv.config = process.cwd()
+
+ const time = process.hrtime()
+
+ printVerbose(chalk`{cyan Processing {bold ${relativePath}}...}`)
+
+ return rc(ctx, argv.config)
+ .then(config => {
+ config = config || cliConfig
+ const options = Object.assign({}, config.options)
+
+ if (file === 'stdin' && output) file = output
+
+ // TODO: Unit test this
+ options.from = file === 'stdin' ? path.join(process.cwd(), 'stdin') : file
+
+ if (output || dir || argv.replace) {
+ const base = argv.base
+ ? file.replace(path.resolve(argv.base), '')
+ : path.basename(file)
+ options.to = output || (argv.replace ? file : path.join(dir, base))
+
+ if (argv.ext) {
+ options.to = options.to.replace(path.extname(options.to), argv.ext)
+ }
+
+ options.to = path.resolve(options.to)
+ }
+
+ if (!options.to && config.options.map && !config.options.map.inline) {
+ error(
+ 'Output Error: Cannot output external sourcemaps when writing to STDOUT'
+ )
+ }
+
+ return postcss(config.plugins)
+ .process(css, options)
+ .then(result => {
+ const tasks = []
+
+ if (options.to) {
+ tasks.push(fs.outputFile(options.to, result.css))
+
+ if (result.map) {
+ const mapfile = options.to.replace(
+ path.extname(options.to),
+ `${path.extname(options.to)}.map`
+ )
+ tasks.push(fs.outputFile(mapfile, result.map))
+ }
+ } else process.stdout.write(result.css, 'utf8')
+
+ return Promise.all(tasks).then(() => {
+ const prettyTime = prettyHrtime(process.hrtime(time))
+ printVerbose(
+ chalk`{green Finished {bold ${relativePath}} in {bold ${prettyTime}}}`
+ )
+
+ if (result.warnings().length) {
+ console.warn(reporter(result))
+ }
+
+ return result
+ })
+ })
+ })
+ .catch(err => {
+ throw err
+ })
+}
+
+function dependencies(results) {
+ if (!Array.isArray(results)) results = [results]
+
+ const messages = []
+
+ results.forEach(result => {
+ if (result.messages <= 0) return
+
+ result.messages
+ .filter(msg => (msg.type === 'dependency' ? msg : ''))
+ .map(depGraph.add)
+ .forEach(dependency => messages.push(dependency.file))
+ })
+
+ return messages
+}
+
+function printVerbose(message) {
+ if (argv.verbose) console.warn(message)
+}
+
+function error(err) {
+ // Seperate error from logging output
+ if (argv.verbose) console.error()
+
+ if (typeof err === 'string') {
+ console.error(chalk.red(err))
+ } else if (err.name === 'CssSyntaxError') {
+ console.error(err.toString())
+ } else {
+ console.error(err)
+ }
+ // Watch mode shouldn't exit on error
+ if (argv.watch) return
+ process.exit(1)
+}