80 lines
2.0 KiB
JavaScript
Executable File
80 lines
2.0 KiB
JavaScript
Executable File
#!/usr/bin/env node
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const fs = require('fs').promises;
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const path = require('path');
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const chalk = require('chalk');
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const createStaticServer = require('./create-static-server');
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const { parsePort } = require('./lib/parse-port');
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const fsStat = fs.stat;
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const DEFAULT_PORT = 9080;
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const onResponse = (request, response) => {
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if (response.statusCode >= 400) {
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console.log(
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chalk`{gray '-->'} {red ${response.statusCode}} ${request.url}`,
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);
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} else if (response.statusCode >= 200 && response.statusCode < 300) {
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console.log(
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chalk`{gray '-->'} {green ${response.statusCode}} ${request.url}`,
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);
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} else {
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console.log(
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chalk`{gray '-->'} {green.dim ${response.statusCode}} ${request.url}`,
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);
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}
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};
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const onRequest = (request, response) => {
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console.log(chalk`{gray '<--'} {blue [${request.method}]} ${request.url}`);
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response.on('finish', () => onResponse(request, response));
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};
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const startServer = ({ port, rootDirectory }) => {
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const server = createStaticServer(rootDirectory);
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server.on('request', onRequest);
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server.listen(port, () => {
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console.log(`Running at http://localhost:${port}`);
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});
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};
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const parseDirectoryArgument = async (pathString) => {
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const resolvedPath = path.resolve(pathString);
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const directoryStats = await fsStat(resolvedPath);
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if (!directoryStats.isDirectory()) {
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throw new Error(`Invalid path '${pathString}'; must be a directory`);
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}
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return resolvedPath;
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};
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const main = async () => {
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const args = process.argv.slice(2);
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const options = {
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port: process.env.port || DEFAULT_PORT,
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rootDirectory: path.resolve('.'),
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};
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while (args.length) {
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if (/^(--port|-p)$/u.test(args[0])) {
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if (args[1] === undefined) {
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throw new Error('Missing port argument');
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}
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options.port = parsePort(args[1]);
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args.splice(0, 2);
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} else {
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options.rootDirectory = await parseDirectoryArgument(args[0]);
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args.splice(0, 1);
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}
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}
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startServer(options);
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};
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main().catch((error) => {
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console.error(error);
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process.exit(1);
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});
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