a script to debug rsshub route without run koa http server.

debug-route.js

/*
 * to use this script,
 * 1. save debug-route.js to rsshub root dir.
 * 2. try: node debug-route.js "/chrome/webstore/extensions/SOME_ID"
*/

const moduleAlias = require('module-alias');
moduleAlias.addAlias('@', () => __dirname + '/lib');

const util = require('util');
const router = require("./lib/router");

async function getState(path) {
    const ctx = {
        method: 'GET',
        path,
        state: {},
        cache: {
            get: () => {},
            set: () => {},
            tryGet: (key, getValueFunc) => getValueFunc()
        }
    };

    const match = router.match(path, ctx.method);

    if (match.route) {
        await router.routes()(ctx, () => {});
        return ctx.state;

    } else {
        let msg = `"${path}" does not match any route.`;
        for (const layer of router.stack) {
            if (layer.path.startsWith(path)) {
                msg += '\n' + `  - did you mean: "${layer.path}" ?`;
            }
        }
        console.error(msg);
    }
}

(async function main() {
    const argv = process.argv.slice(2);
    if (argv.length > 1) {
        return;
    }

    const path = argv[0];

    let state = null;
    try {
        state = await getState(path);
    } catch (error) {
        return console.error(error);
    }

    if (state) {
        console.log(util.inspect(state, {
            depth: null,
            colors: true,
            maxArrayLength: 3
        }));
    }
}());