jokkerr/dist/cli.js

Node package and CLI tool for saving web page as single HTML file

#!/usr/bin/env node
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const commander_1 = require("commander");
const cairn_1 = require("./cairn");
const utils_1 = require("./utils");
const fs_1 = require("fs");
class Handler {
    constructor() {
        this.url = [];
        this.opt = {};
    }
    main() {
        const program = this.parser();
        if (this.url.length < 1) {
            // Output help information and exit immediately.
            program.help();
        }
        let filepath = '';
        if (program.output && program.output !== '-') {
            if (!fs_1.statSync(program.output)) {
                console.warn('custom output not exists, path: ' + program.output);
                process.exit(1);
            }
            filepath = program.output + '/';
        }
        const output = (url, filename, content) => {
            if (program.output === '-') {
                console.info(content);
            }
            else {
                fs_1.writeFile(filename, content, (err) => {
                    if (err) {
                        console.warn(`${url} => ${err}`);
                        return;
                    }
                    console.info(`${url} => ${filename}`);
                });
            }
        };
        const cairn = new cairn_1.Cairn();
        for (const url of this.url) {
            if (!utils_1.isValidURL(url)) {
                console.info(`${url} => request url is not specified\n`);
                continue;
            }
            const filename = filepath + utils_1.createFileName(url);
            cairn
                .request({ url: url })
                .options(this.opt)
                .archive()
                .then((webpage) => {
                output(url, filename, webpage);
            })
                .catch((err) => console.warn(`${url} => ${JSON.stringify(err)}`));
        }
    }
    parser() {
        const program = new commander_1.Command();
        program
            .name('cairn')
            .usage('[options] url1 [url2]...[urlN]')
            .version('1.0.0', '-v, --version', 'output the current version')
            .description('CLI tool for saving web page as single HTML file');
        program.option('-o, --output <string>', 'path to save archival result');
        program.option('-u, --user-agent <string>', 'set custom user agent');
        program
            .option('--no-js', 'disable JavaScript')
            .option('--no-css', 'disable CSS styling')
            .option('--no-embeds', 'remove embedded elements (e.g iframe)')
            .option('--no-medias', 'remove media elements (e.g img, audio)');
        program.parse(process.argv);
        if (program.userAgent)
            this.opt.userAgent = program.userAgent;
        if (program.noJs)
            this.opt.disableJS = true;
        if (program.noCss)
            this.opt.disableCSS = true;
        if (program.noEmbeds)
            this.opt.disableEmbeds = true;
        if (program.noMedias)
            this.opt.disableMedias = true;
        this.url = program.args;
        return program;
    }
}
new Handler().main();
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