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adding logic to handle windows line endings when content is pasted on… #63

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Merged
OvidijusParsiunas merged 1 commit into from
May 13, 2025
Merged

adding logic to handle windows line endings when content is pasted on… #63

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13 changes: 13 additions & 0 deletions component/src/utils/paste/CSV/parseCSVClipboardText.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,8 @@ export class ParseCSVClipboardText {
public static readonly NEW_LINE_SYMBOL = '\\n';
private static readonly EXPLICIT_TAB_SYMBOL = '\\\\t';
private static readonly EXPLICIT_NEW_LINE_SYMBOL = '\\\\n';
private static readonly WINDOWS_NEW_LINE_SYMBOL = '\\r\\n';
private static readonly EXPLICIT_WINDOWS_NEW_LINE_SYMBOL = '\\\\r\\\\n';

private static preprocessText(multiLineString: string): string {
let newString = multiLineString;
Expand All @@ -20,6 +22,17 @@ export class ParseCSVClipboardText {

private static getSeparatorSymbols(multiLineString: string): {newLine: string; tab: string} {
// occurs when pasting string that contains actual \n or \t symbols

// Handle Windows-style line endings (`\r\n`)
if (multiLineString.indexOf(ParseCSVClipboardText.EXPLICIT_WINDOWS_NEW_LINE_SYMBOL) > -1) {
return {
newLine: ParseCSVClipboardText.EXPLICIT_WINDOWS_NEW_LINE_SYMBOL, tab: ParseCSVClipboardText.EXPLICIT_TAB_SYMBOL
};
}
if (multiLineString.indexOf(ParseCSVClipboardText.WINDOWS_NEW_LINE_SYMBOL) > -1) {
return { newLine: ParseCSVClipboardText.WINDOWS_NEW_LINE_SYMBOL, tab: ParseCSVClipboardText.TAB_SYMBOL };
}
// Handle Unix-style line endings (`\n`)
if (
multiLineString.indexOf(ParseCSVClipboardText.EXPLICIT_NEW_LINE_SYMBOL) > -1 ||
multiLineString.indexOf(ParseCSVClipboardText.EXPLICIT_TAB_SYMBOL) > -1
Expand Down