Changelog

All notable changes to goxcel will be documented in this file.

[0.1.1] - 2025-11-04

Added

• Config-based dependency injection for usecase layer
• Logger integration throughout codebase with message codes
• Cell styling support: FontName, FontSize, FontColor, FillColor
• Sheet configuration: Row heights, column widths, freeze panes
• Style collector for dynamic OOXML style generation
• GXL extensions: SheetConfigTag, ColumnTag, RowHeightTag, StyleTag

Changed

• Refactored usecase layer to use config.BaseConfig
• Removed nil checks for logger (always instantiated)
• Updated documentation structure (removed guide and development sections)
• Consolidated non-specification documentation

Fixed

• XML structure conflict in XMLFillColor (separated XMLBgColor)
• Interface implementation: Added RenderSheet method to DefaultSheetUsecase
• Nil pointer dereference in logger usage

[0.1.0] - 2025-11-03

Added

• Core GXL template parsing
• Grid layout with pipe-delimited syntax
• Mustache-style expression interpolation {{ .path }}
• For loop iteration <For each="item in items">
• Anchor positioning <Anchor ref="A1" />
• Cell type inference (string, number, boolean, date, formula)
• Type hints {{ .value:number }}
• Markdown styling **bold**, _italic_
• Cell merging <Merge range="A1:B2" />
• Formula support =SUM(A1:A10)
• JSON and YAML data support
• CLI with generate command
• Dry-run mode for template validation
• Comprehensive logging system with message codes

Implemented

• Clean architecture (config, controller, usecase, repository, model layers)
• GXL XML parser
• XLSX file writer using OOXML format
• Context stack for nested data access
• Dynamic style management
• Complete test coverage for core functionality

[Planned for v1.1]

To Be Added

• If/Else conditional structures
• Enhanced style tag with direct attributes
• Number formatting patterns
• Date formatting
• Currency formatting
• Sheet-level configuration via GXL
• Column width and row height specification
• Enhanced color support (themes, indexed colors)

Under Consideration

• Image embedding <Image>
• Chart generation <Chart>
• Pivot tables <Pivot>
• Data validation
• Conditional formatting
• Named ranges
• Multiple data source support
• Template inheritance
• Macros/VBA support

Version History

• 0.1.1 (2025-11-04): Config refactoring, styling features, documentation updates
• 0.1.0 (2025-11-03): Initial stable release with v1.0 features