103 lines
2.8 KiB
TypeScript
103 lines
2.8 KiB
TypeScript
import commandLineArgs from "command-line-args";
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import commandLineUsage from "command-line-usage";
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import fs from "graceful-fs";
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import url from "url";
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import { parse } from "sparkson";
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import { Config, hasOwnProperty, Url, Version } from "./types";
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export let config: Config = {} as Config;
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export let version: Version = "unknown" as Version;
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export function parseCommandLine(): void {
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const commandLineDefs = [
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{
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name: "help",
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alias: "h",
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type: Boolean,
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description: "Show this help",
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},
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{
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name: "config",
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alias: "c",
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type: String,
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description: "Location of config.json",
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},
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{
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name: "version",
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alias: "v",
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type: Boolean,
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description: "Show ffffng version",
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},
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];
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let commandLineOptions;
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try {
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commandLineOptions = commandLineArgs(commandLineDefs);
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} catch (error) {
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if (hasOwnProperty(error, "message")) {
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console.error(error.message);
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} else {
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console.error(error);
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}
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console.error("Try '--help' for more information.");
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process.exit(1);
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}
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const packageJsonFile = __dirname + "/../package.json";
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if (fs.existsSync(packageJsonFile)) {
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version = JSON.parse(fs.readFileSync(packageJsonFile, "utf8")).version;
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}
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function usage() {
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console.log(
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commandLineUsage([
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{
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header:
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"ffffng - " +
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version +
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" - Freifunk node management form",
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optionList: commandLineDefs,
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},
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])
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);
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}
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if (commandLineOptions.help) {
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usage();
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process.exit(0);
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}
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if (commandLineOptions.version) {
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console.log("ffffng - " + version);
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process.exit(0);
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}
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if (!commandLineOptions.config) {
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usage();
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process.exit(1);
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}
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const configJSONFile = commandLineOptions.config;
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let configJSON = {};
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if (fs.existsSync(configJSONFile)) {
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configJSON = JSON.parse(fs.readFileSync(configJSONFile, "utf8"));
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} else {
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console.error("config.json not found: " + configJSONFile);
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process.exit(1);
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}
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config = parse(Config, configJSON);
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function stripTrailingSlash(url: Url): Url {
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return url.endsWith("/")
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? (url.substring(0, url.length - 1) as Url)
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: url;
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}
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config.server.baseUrl = stripTrailingSlash(config.server.baseUrl);
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config.client.map.mapUrl = stripTrailingSlash(config.client.map.mapUrl);
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config.server.rootPath = url.parse(config.server.baseUrl).pathname || "/";
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config.client.rootPath = config.server.rootPath;
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}
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