33 lines
711 B
JavaScript
33 lines
711 B
JavaScript
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import * as R from 'remeda';
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import { extract_number } from './part1.js';
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const spelled = {
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'one' : 1,
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'two' : 2,
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'three' : 3,
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'four' : 4,
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'five' : 5,
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'six' : 6,
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'seven' : 7,
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'eight' : 8,
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'nine' : 9,
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};
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const resolve_spelled_numbers = (line) => {
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const re = Object.keys(spelled).join('|') + '|\\d';
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const first = line.match( RegExp( `^.*?(${re})`) )[1];
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const last = line.match( RegExp( `^.*(${re})`) )[1];
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return [ first, last ].map( n => spelled[n] ?? n ).join('');
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}
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export const solution_2 = R.createPipe(
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i => i.split("\n"),
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R.compact,
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R.map(resolve_spelled_numbers),
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R.map(extract_number),
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R.sumBy(R.identity),
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);
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