intradoc/src/print/printHelp.js

In-place document content replacer CLI utility.

'use strict';

const printHelp = (app) => {
    const name = app.name;
    const $ = console.log;
    $(`${app.name} v${app.version} (${app.homepage})`);
    $(`${app.license} @ ${app.author}`);
    $();
    $('Usage:');
    $(`  $ ${name} <flags> <input>`);
    $(`  $ ${name} <input> <flags>`);
    $();
    $(`  $ ${name} <flags> -f [...files] -d [...data]`);
    $(`  $ ${name} <flags> [...files] [data]`);
    $();
    $(`  $ ${name} -f [...files] -d [...data] <flags>`);
    $(`  $ ${name} [...files] [data] <flags>`);
    $();
    $('Examples:');
    $(`  $ ${name} -f README.md -d data.json`);
    // $(`  $ ${name} -f README* -d data.yaml`)
    $();
    $(`  $ ${name} README.md data.yml`);
    // $(`  $ ${name} README1* README2* data*`)
    $();
    $('Options:');
    $('  -f, --file, --files   file(s) to process');
    $('  -d, --data            data to use');
    $();
    $('  -v, --version   output the version number');
    $(`  -h, --help      display help for ${name}`);
};

exports.printHelp = printHelp;
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