90 lines
2.0 KiB
JavaScript
Executable File
90 lines
2.0 KiB
JavaScript
Executable File
#!/usr/bin/env -S node --experimental-json-modules
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import * as courses from "../src/data/courses.js";
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import network from "../src/data/network.json";
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import {displayTime} from "../src/util.js";
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import process from "process";
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import path from "path";
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/**
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* Convert stop ID to human-readable stop name.
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*
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* If the stop ID is not known, the ID will be kept as-is.
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*/
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const getStopName = stopId =>
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{
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if (stopId in network.stops)
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{
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return network.stops[stopId].properties.name;
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}
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return stopId;
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};
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/** Create a string representing a course for printing. */
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const courseToString = course =>
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{
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let result = `Course #${course.id}
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Line ${course.line} - Direction ${course.direction} - Bound for ${getStopName(course.finalStopId)}
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Next stops:
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`;
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for (let [stopId, time] of course.passings)
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{
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result += `${displayTime(new Date(time))} - ${getStopName(stopId)}\n`;
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}
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return result;
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};
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/** Show user help. */
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const doHelp = () =>
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{
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const name = "./" + path.relative(process.cwd(), process.argv[1]);
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process.stdout.write(`Usage: ${name} TYPE [COURSE]
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Show TaM courses data.
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Set TYPE to 'realtime' to fetch real-time data (limited time scope) or to
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'theoretical' to fetch planned courses for the day.
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Set COURSE to a valid course ID to limit the output to a given course.
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`);
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};
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/** Print realtime information for a course or all courses. */
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const doPrint = async (kind, courseId) =>
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{
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const results = await courses.fetch(kind);
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if (courseId)
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{
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if (courseId in results)
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{
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console.log(courseToString(results[courseId]));
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}
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else
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{
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console.log('Unknown course');
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}
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}
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else
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{
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for (let course of Object.values(results))
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{
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console.log(courseToString(course));
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console.log("======\n");
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}
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}
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};
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const argv = process.argv.slice(2);
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if (argv.length === 0)
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{
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doHelp();
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process.exit(1);
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}
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doPrint(argv[0], argv[1]);
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