| 1 | 'use strict';
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| 2 |
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| 3 | module.exports = flags => {
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| 4 | const lines = Object.entries(flags).map(entry => {
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| 5 | const name = entry[0];
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| 6 | const value = entry[1];
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| 7 | return [[name, value.alias].filter(Boolean), value.description, value.default].filter(Boolean);
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| 8 | });
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| 9 |
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| 10 | const longest = lines.map(line => {
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| 11 | const flags = line[0];
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| 12 | return flags.reduce((sum, flag) => sum + flag.length, 0);
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| 13 | }).sort((a, b) => b - a)[0];
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| 14 |
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| 15 | return lines.map(line => {
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| 16 | const flags = line[0];
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| 17 | const desc = line[1];
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| 18 | const defaults = line[2];
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| 19 | const fs = flags.map(flag => flag.length > 1 ? `--${flag}` : ` -${flag}`);
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| 20 | const ds = defaults ? `, defaults to: ${defaults}` : '';
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| 21 | const length = flags.reduce((sum, flag) => sum + flag.length, 0);
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| 22 | return `${fs.join(',')}${' '.repeat(Math.max(4 + longest - length, 0))}${desc}${ds}`;
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| 23 | }).join('\n');
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| 24 | };
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| 25 | |
| \ | No newline at end of file |