17 lines
422 B
JavaScript
17 lines
422 B
JavaScript
function formatLines(...lines) {
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return [...indentEach(0, lines)].join('\n') + '\n';
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}
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function* indentEach(indent, lines) {
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for (const line of lines) {
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if (Array.isArray(line)) {
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yield* indentEach(indent + 1, line);
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} else {
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const padding = ' '.repeat(indent);
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yield* line.split('\n').map(subline => (subline === '' ? '' : padding + subline));
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}
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}
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}
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module.exports = formatLines;
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