mwoffliner/lib/cli.js

MediaWiki ZIM scraper

#!/usr/bin/env -S node --max-old-space-size=9000 --stack-size=42000
'use strict';
import yargs from 'yargs';
import { hideBin } from 'yargs/helpers';
import { parameterDescriptions, requiredParams } from './parameterList.js';
import * as logger from './Logger.js';
import * as mwofflinerLib from './mwoffliner.lib.js';
/** **********************************/
/* Command Parsing ******************/
/** **********************************/
const argv = yargs(hideBin(process.argv))
    .help('help')
    .usage(`Create a look-alike HTML - ZIM file based - snapshot of a remote MediaWiki instance.

Usage: npm run mwoffliner -- --help`)
    .describe(parameterDescriptions)
    .require(requiredParams)
    .strict().argv;
/* ***********************************/
/* TMPDIR OVERRIDE HAS TO BE HANDLED */
/* AT THE REALLY BEGIN               */
/* ***********************************/
import fs from 'fs';
if (argv.osTmpDir) {
    const osTmpDir = argv.osTmpDir;
    try {
        if (fs.statSync(osTmpDir)) {
            process.env.TMPDIR = osTmpDir;
        }
        else {
            throw new Error();
        }
    }
    catch {
        logger.error(`--osTmpDir value [${osTmpDir}] is not valid`);
        process.exit(2);
    }
}
/* ***********************/
/* TESTING ALL ARGUMENTS */
/* ***********************/
import { sanitize_all } from './sanitize-argument.js';
const execStartTime = Date.now();
sanitize_all(argv)
    .then(() => {
    /* ***********************************/
    /* GO THROUGH ENTRY POINT            */
    /* ***********************************/
    mwofflinerLib
        .execute(argv)
        .then(() => {
        logger.info(`Finished running mwoffliner after [${Math.round((Date.now() - execStartTime) / 1000)}s]`);
        process.exit(0);
    })
        .catch((err) => {
        errorHandler(err);
    });
})
    .catch((err) => {
    errorHandler(err);
});
// Hack to allow serializing of Errors
// https://stackoverflow.com/questions/18391212/is-it-not-possible-to-stringify-an-error-using-json-stringify
if (!('toJSON' in Error.prototype)) {
    Object.defineProperty(Error.prototype, 'toJSON', {
        value() {
            const alt = {};
            Object.getOwnPropertyNames(this).forEach(function (key) {
                alt[key] = this[key];
            }, this);
            return alt;
        },
        configurable: true,
        writable: true,
    });
}
function errorHandler(err) {
    let loggableErr = err;
    try {
        loggableErr = JSON.stringify(err, null, '\t');
    }
    catch (err) {
        /* NOOP */
    }
    logger.error(`Failed to run mwoffliner after [${Math.round((Date.now() - execStartTime) / 1000)}s]:`, loggableErr);
    if (err && err.message) {
        logger.error(`\n\n**********\n\n${err.message}\n\n**********\n\n`);
    }
    process.exit(2);
}
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