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136 lines (109 loc) · 3.41 KB
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import { createRequire } from "node:module";
import { parseArgs } from "node:util";
import DevServer from "./server.js";
const require = createRequire(import.meta.url);
const pkg = require("./package.json");
export const Logger = {
info(...args) {
console.log( "[11ty/eleventy-dev-server]", ...args );
},
error(...args) {
console.error( "[11ty/eleventy-dev-server]", ...args );
},
fatal(...args) {
Logger.error(...args);
process.exitCode = 1;
},
log(...args) {
return Logger.info(...args);
}
};
export class Cli {
static getVersion() {
return pkg.version;
}
static getHelp() {
return `Usage:
eleventy-dev-server [dir] [options]
Examples:
eleventy-dev-server
eleventy-dev-server _site
eleventy-dev-server --dir=_site --port=3000
eleventy-dev-server --host=0.0.0.0
Options:
--dir=.
Directory to serve (default: \`.\`), or pass it as the first argument.
--input (alias for --dir)
--port=8080
Run the web server on this port (default: \`8080\`)
Will autoincrement if already in use.
--host=127.0.0.1
Address to listen on (default: \`127.0.0.1\`)
Use \`0.0.0.0\` to allow access from other devices on your network.
--domdiff (enabled, default)
--no-domdiff (disabled)
Apply HTML changes without a full page reload.
--version
--help`;
}
static parseArgs(args = []) {
let defaults = Cli.getDefaultOptions();
let { values, positionals } = parseArgs({
args,
allowNegative: true,
allowPositionals: true,
options: {
dir: { type: "string" },
input: { type: "string" },
port: { type: "string", default: defaults.port },
host: { type: "string" },
domdiff: { type: "boolean", default: defaults.domDiff },
help: { type: "boolean", default: false },
version: { type: "boolean", default: false },
},
});
let usageError = (message) => {
// Printed without a stack trace, like Node's own argument errors
return Object.assign(new Error(message), { code: "ERR_PARSE_ARGS_DIRECTORY" });
};
if(positionals.length > 1) {
throw usageError(`Expected one directory, received ${positionals.length}: ${positionals.join(", ")}.`);
}
let [dir] = positionals;
if(dir !== undefined && (values.dir !== undefined || values.input !== undefined)) {
throw usageError("Pass the directory either as an argument or with --dir, not both.");
}
return {
...values,
dir: dir ?? values.dir ?? values.input ?? defaults.input,
};
}
static getDefaultOptions() {
return {
port: "8080",
input: ".",
domDiff: true,
}
}
async serve(options = {}) {
this.options = Object.assign(Cli.getDefaultOptions(), options);
this.server = DevServer.getServer("eleventy-dev-server-cli", this.options.input, {
// TODO allow server configuration extensions
showVersion: true,
logger: Logger,
domDiff: this.options.domDiff,
host: this.options.host,
// CLI watches all files in the folder by default
// this is different from Eleventy usage!
watch: [ this.options.input ],
});
this.server.serve(this.options.port);
// TODO? send any errors here to the server too
// with server.sendError({ error });
}
close() {
if(this.server) {
return this.server.close();
}
}
}