Design WASM editor with browser rendering #596
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Code reorganization to improve modularity: - Extract Action and KeyContext types from keybindings.rs to action.rs - Move CursorId from event.rs to cursor.rs - Add FileSystem trait for abstracting file I/O operations - Refactor Buffer to use FileSystem trait for portability - Add GrammarStore injection to GrammarRegistry for flexibility - Refactor HighlightEngine for better separation of concerns - Extract shared Language enum from highlighter.rs - Extend FsBackend trait with additional operations - Improve theme portability
Add WebAssembly support for running Fresh in browsers: - Add WASM feature flag and dependencies (ratzilla, syntect, wasm-bindgen) - Add syntect-based syntax highlighter for WASM builds - Add TextContentProvider trait for shared rendering - Add WASM module with browser integration via Ratzilla - Add virtual filesystem backend for browser environment - Add event adapter for browser keyboard/mouse events - Add web assets (styles.css) for browser UI - Add build scripts (wasm-build.sh, wasm-setup.sh) - Configure module gating for WASM-compatible vs runtime-only code - Add comprehensive design documentation Modules ungated for WASM: - input: action, command_registry, commands, fuzzy, input_history, position_history - view: margin, overlay, virtual_text, scroll_sync, text_content, theme, markdown - primitives: highlight_engine, line_iterator, snippet, text_property, word_navigation - model: buffer, cursor, event, marker, marker_tree, overlay, piece_tree, filesystem
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Comprehensive design for running Fresh editor in browsers via WebAssembly: