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exceljs

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exceljs
Excel Workbook Manager

JavaScript · 15480 stars

Beginner friendly Everything

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Vite/Rollup build fails to resolve regenerator-runtime/runtime imported by exceljs.browser.js Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

exceljs/exceljs#3082 · Opened Sep 9, 2026
xlsx.load fails with "Worksheet name already exists" for any sheet name over 31 characters — the name setter collides with itself Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

exceljs/exceljs#3080 · Opened Sep 8, 2026
[BUG] index.d.ts: stream.xlsx.WorksheetReader declares no name, though WorkbookReader assigns one Open

Difficulty 1/5 Under an hour Newbie friendliness 94/100

exceljs/exceljs#3075 · Opened Aug 24, 2026
[BUG] Streaming WorksheetReader blanks a formula cell whose cached result is an error (t="e") Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

exceljs/exceljs#3074 · Opened Aug 24, 2026
Solve Array Out of Range issues for large excels Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

exceljs/exceljs#3030 · Opened Mar 30, 2026
[BUG] wrong type for CellHyperlinkValue Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

exceljs/exceljs#2979 · Opened Sep 25, 2025
Update tmp dependency to >=0.2.4 to fix vulnerability (GHSA-52f5-9888-hmc6) Open

Difficulty 1/5 1-3 hours Newbie friendliness 72/100

exceljs/exceljs#2976 · 3 comments · Opened Sep 24, 2025
[BUG] `Invalid Date` object returned for formula result formatted as date Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

exceljs/exceljs#2966 · 1 comment · Opened Sep 9, 2025
[BUG] Package 'tmp' version '^0.2.0' dependency triggers security audit failure Open

Difficulty 1/5 Under an hour Newbie friendliness 70/100

exceljs/exceljs#2954 · 2 comments · 3 reactions · Opened Aug 6, 2025
Misshandling of value 0 (zero) in copy operation in `FormulaValue` Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

exceljs/exceljs#2943 · 2 comments · 1 reaction · Opened Jun 23, 2025
[BUG] displyName typo Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

exceljs/exceljs#2905 · Opened Mar 24, 2025
Buffer Type Mismatch in Workbook.load Method of ExcelJS Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

exceljs/exceljs#2877 · 5 comments · 9 reactions · Opened Jan 12, 2025
[BUG] Licensing Vulnerability in ExcelJS Dependency Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

exceljs/exceljs#2866 · 2 comments · 1 reaction · Opened Dec 19, 2024
[BUG] d.ts paper size enum not include A3 option Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

exceljs/exceljs#2795 · Opened Jul 14, 2024
Update archiver to 7.0.0 to avoid CVE-772 in inflight @ 1.0.6 Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

exceljs/exceljs#2715 · 9 comments · 25 reactions · Opened Mar 1, 2024
[BUG] Table creation accepts empty row array, resulting in corrupted Excel file Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

exceljs/exceljs#2678 · 2 reactions · Opened Feb 5, 2024
[BUG] Corrupted file if negativeBorderColor and negativeFillColor are defined together Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

exceljs/exceljs#2547 · Opened Oct 3, 2023
[BUG] StreamBuf pipe method does not return destination stream Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

exceljs/exceljs#1595 · Opened Jan 22, 2021

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