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fix(csv): enhance CSV parsing with separator regex and column count validation

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Mara-Li 2025-02-21 22:19:40 +01:00
parent 86fcbc23d0
commit 5abff9cf66
1 changed files with 9 additions and 2 deletions
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11
src/utils/parse_csv.ts
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@ -1,11 +1,17 @@
import type { ColumnName, Separator, Thesaurus, Translation } from "../interfaces";
const separatorRegex = /[,;\t\|]/;
function verifySeparator(header: string, sep: Separator): boolean {
return header.includes(sep);
}
function searchSeparator(header: string): Separator {
return header.match(/[,;\t\|]/)?.[0] as Separator;
return header.match(separatorRegex)?.[0] as Separator;
}
function countColumn(header: string) {
return header.split(separatorRegex).length;
}
export function getColumn(
@ -43,10 +49,11 @@ export function getThesaurus(
const isMd = separator === "md";
separator = isMd ? "|" : separator;
const lines = fileContent.split("\n");
if (countColumn(lines[0]) <= 1) throw new Error(ln("error.csv.malformed"));
if (!verifySeparator(lines[0], separator))
throw new Error(ln("error.csv.separator", { sep: searchSeparator(lines[0]) }));
const header = getHeader(lines, separator);
if (header.length <= 1) throw new Error(ln("error.csv.malformed"));
const { indexKey, indexSynonyms } = getColumn(header, columnNames, ln);
const thesaurus: Thesaurus = {};
const lineSlice = isMd ? 2 : 1;