Function N

[sequba]

Context

Implements the Excel-compatible N function that converts a value to a number.

Input	Returns
Number	The number itself
Date	Serial number
TRUE	1
FALSE	0
Error	The error (propagated)
Text, empty, other	0
Range	N of first cell

Changes:

• Implementation: Added N function to TextPlugin (alongside related T function)
• Translations: Added for all 17 supported languages (N, Ч, NUM, TAL, S)
• Documentation: Added to built-in functions list
• Tests: 19 unit tests covering all value types, edge cases, and error handling

How did you test your changes?

all unit tests pass, including 19 new unit tests

Types of changes

• Breaking change (a fix or a feature because of which an existing functionality doesn't work as expected anymore)
• New feature or improvement (a non-breaking change that adds functionality)
• Bug fix (a non-breaking change that fixes an issue)
• Additional language file, or a change to an existing language file (translations)
• Change to the documentation

Related issues:

1. Fixes Function N #1585

Checklist:

• I have reviewed the guidelines about Contributing to HyperFormula and I confirm that my code follows the code style of this project.
• I have signed the Contributor License Agreement.
• My change is compliant with the OpenDocument standard.
• My change is compatible with Microsoft Excel.
• My change is compatible with Google Sheets.
• I described my changes in the CHANGELOG.md file.
• My changes require a documentation update.
• My changes require a migration guide.

[github-actions]

Performance comparison of head (87d6246) vs base (f706d17)

                                     testName |   base |   head | change
------------------------------------------------------------------------
                                      Sheet A | 510.81 | 509.39 | -0.28%
                                      Sheet B | 169.69 | 167.88 | -1.07%
                                      Sheet T | 149.35 | 146.99 | -1.58%
                                Column ranges | 497.89 | 500.04 | +0.43%
Sheet A:  change value, add/remove row/column |  14.48 |  14.05 | -2.97%
 Sheet B: change value, add/remove row/column | 133.32 | 134.04 | +0.54%
                   Column ranges - add column |  147.4 | 142.41 | -3.39%
                Column ranges - without batch | 443.95 | 435.19 | -1.97%
                        Column ranges - batch | 118.09 | 119.34 | +1.06%

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.18%. Comparing base (f706d17) to head (87d6246).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1606   +/-   ##
========================================
  Coverage    97.17%   97.18%           
========================================
  Files          170      170           
  Lines        14785    14796   +11     
  Branches      3245     3250    +5     
========================================
+ Hits         14368    14379   +11     
  Misses         409      409           
  Partials         8        8           

Files with missing lines	Coverage Δ
src/i18n/languages/csCZ.ts	100.00% <ø> (ø)
src/i18n/languages/daDK.ts	100.00% <ø> (ø)
src/i18n/languages/deDE.ts	100.00% <ø> (ø)
src/i18n/languages/enGB.ts	100.00% <ø> (ø)
src/i18n/languages/esES.ts	100.00% <ø> (ø)
src/i18n/languages/fiFI.ts	100.00% <ø> (ø)
src/i18n/languages/frFR.ts	100.00% <ø> (ø)
src/i18n/languages/huHU.ts	100.00% <ø> (ø)
src/i18n/languages/itIT.ts	100.00% <ø> (ø)
src/i18n/languages/nbNO.ts	100.00% <ø> (ø)
... and 7 more

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.