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| import { parse } from 'csv-parse/sync'; | |
| import { times } from 'lodash'; | |
| const raw = await Bun.file('temp/raw.csv').text(); | |
| const parsed = parse(raw) as [string, string, string][]; | |
| const count: Record<number, number> = {}; | |
| let discarded = 0; | |
| times(50, (index) => (count[index + 1] = 0)); | |
| parsed.forEach(([_, rawContent, schema], index) => { | |
| if (schema === 'd') { | |
| discarded++; | |
| } else if (schema === 's') { | |
| const pattern = /\d+/g; | |
| const numbers = rawContent.match(pattern)?.map(Number); | |
| const invalid = | |
| numbers === undefined || | |
| numbers.some( | |
| (number) => | |
| isNaN(number) || number < 1 || number > 50 || number % 1 !== 0, | |
| ); | |
| if (invalid) return discarded++; | |
| numbers.forEach((number) => { | |
| count[number]++; | |
| }); | |
| } else if (schema.startsWith('mf')) { | |
| let separator = schema.slice(2); | |
| separator = separator === '' ? 'x' : separator; | |
| separator = separator.replaceAll('*', '\\*').replaceAll('(', '\\('); | |
| const pattern = new RegExp(`(\\d+${separator})?\\d+`, 'g'); | |
| const numbers = rawContent.match(pattern)?.map((match) => { | |
| return match.includes(separator) | |
| ? match.split(separator).map(Number) | |
| : [1, Number(match)]; | |
| }); | |
| const invalid = | |
| numbers === undefined || | |
| numbers.some( | |
| ([coefficient, number]) => | |
| isNaN(number) || | |
| number < 1 || | |
| number > 50 || | |
| number % 1 !== 0 || | |
| isNaN(coefficient) || | |
| coefficient < 1 || | |
| coefficient % 1 !== 0, | |
| ); | |
| if (invalid) return discarded++; | |
| numbers?.forEach(([coefficient, number]) => { | |
| count[number] += coefficient; | |
| }); | |
| } else if (schema.startsWith('mb')) { | |
| let separator = schema.slice(2); | |
| separator = separator === '' ? 'x' : separator; | |
| separator = separator.replaceAll('*', '\\*').replaceAll('(', '\\('); | |
| const pattern = new RegExp(`(\\d+${separator})?\\d+`, 'g'); | |
| const numbers = rawContent.match(pattern)?.map((match) => { | |
| return match.includes(separator) | |
| ? match.split(separator).map(Number) | |
| : [Number(match), 1]; | |
| }); | |
| const invalid = | |
| numbers === undefined || | |
| numbers.some( | |
| ([number, coefficient]) => | |
| isNaN(number) || | |
| number < 1 || | |
| number > 50 || | |
| number % 1 !== 0 || | |
| isNaN(coefficient) || | |
| coefficient < 1 || | |
| coefficient % 1 !== 0, | |
| ); | |
| if (invalid) return discarded++; | |
| numbers?.forEach(([number, coefficient]) => { | |
| count[number] += coefficient; | |
| }); | |
| } | |
| }); | |
| Bun.write( | |
| 'temp/output.csv', | |
| Object.entries(count) | |
| .map((entry) => entry.join(',')) | |
| .join('\n'), | |
| ); | |
| console.log(discarded); |
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