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author | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
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committer | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
commit | 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch) | |
tree | c7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/postcss-cli/index.js | |
parent | 412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff) | |
download | website-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.js | 284 |
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 index 0000000..764f2a4 --- /dev/null +++ b/node_modules/postcss-cli/index.js @@ -0,0 +1,284 @@ +'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) +} |