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document-processing-xlsx

Process, parse, create, and manipulate Excel spreadsheets (.xlsx, .xls) using libraries like xlsx, exceljs, or SheetJS for data import/export and spreadsheet automation. Use when reading Excel files for data import, generating Excel reports, exporting data to spreadsheets, parsing bulk uploads, c...

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SKILL.md

Full skill instructions

Document Processing - Excel Files

When to use this skill

  • Reading Excel files for data import and processing
  • Generating Excel reports and spreadsheets
  • Exporting application data to Excel format
  • Parsing bulk data uploads from spreadsheets
  • Creating financial reports and statements
  • Manipulating workbooks, worksheets, and cells
  • Building CSV to Excel converters
  • Creating templates for data entry
  • Extracting data from uploaded spreadsheets
  • Generating dynamic Excel reports with formulas
  • Handling large dataset imports from Excel
  • Building data export and reporting features

When to use this skill

  • Creating, parsing Excel spreadsheets.
  • When working on related tasks or features
  • During development that requires this expertise

Use when: Creating, parsing Excel spreadsheets.

Example

```typescript import * as XLSX from 'xlsx';

const ws = XLSX.utils.aoa_to_sheet([[1, 2], [3, 4]]); const wb = XLSX.utils.book_new(); XLSX.utils.book_append_sheet(wb, ws, "Sheet1"); ```

Resources