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fix: use \n splitter

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- fallback behaviour for when
- file is not spec conformant
This commit is contained in:
18alantom 2022-04-03 17:22:57 +05:30
parent 233798ae3c
commit 2db6dba73e
1 changed files with 14 additions and 6 deletions
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20
src/csvParser.ts
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@ -8,9 +8,9 @@ function unwrapDq(item: string): string {
return item;
}
function splitCsvBlock(text: string): string[] {
if (!text.endsWith('\r\n')) {
text += '\r\n';
function splitCsvBlock(text: string, splitter: string = '\r\n'): string[] {
if (!text.endsWith(splitter)) {
text += splitter;
}
const lines = [];
let line = '';
@ -26,10 +26,15 @@ function splitCsvBlock(text: string): string[] {
inDq = !inDq;
}
if (!inDq && c === '\r' && text[i + 1] === '\n') {
const isEnd = [...splitter]
.slice(1)
.map((s, j) => text[i + j + 1] === s)
.every(Boolean);
if (!inDq && c === splitter[0] && isEnd) {
lines.push(line);
line = '';
i = i + 1;
i = i + splitter.length - 1;
continue;
}
@ -75,6 +80,9 @@ function splitCsvLine(line: string): string[] {
export function parseCSV(text: string): string[][] {
// Works on RFC 4180
const rows = splitCsvBlock(text);
let rows = splitCsvBlock(text);
if (rows.length === 1) {
rows = splitCsvBlock(text, '\n');
}
return rows.map(splitCsvLine);
}