Crate fallow_extract 

Parsing and extraction engine for the fallow dead code analyzer.

This crate handles all file parsing: JS/TS via Oxc, Vue/Svelte SFC extraction, Astro frontmatter, MDX import/export extraction, CSS Module class name extraction, and incremental caching of parse results.

Re-exports

pub use astro::extract_astro_frontmatter;

pub use css::extract_css_module_exports;

pub use mdx::extract_mdx_statements;

pub use sfc::extract_sfc_scripts;

pub use sfc::is_sfc_file;

Modules

astro

Astro component frontmatter extraction.

cache

Incremental parse cache with bincode serialization.

css

CSS/SCSS file parsing and CSS Module class name extraction.

mdx

MDX import/export statement extraction.

sfc

Vue/Svelte Single File Component (SFC) script extraction.

suppress

Inline suppression comment parsing.

visitor

Oxc AST visitor for extracting imports, exports, re-exports, and member accesses.

Structs

DynamicImportInfo

A dynamic import() call.

DynamicImportPattern

A dynamic import with a pattern that can be partially resolved (e.g., template literals).

ExportInfo

An export declaration.

ImportInfo

An import declaration.

MemberAccess

A static member access expression (e.g., Status.Active, MyClass.create()).

MemberInfo

A member of an enum or class.

ModuleInfo

Extracted module information from a single file.

ParseResult

Result of parsing all files, including incremental cache statistics.

ReExportInfo

A re-export declaration.

RequireCallInfo

A require() call.

Enums

ExportName

Export identifier.

ImportedName

How a symbol is imported.

MemberKind

The kind of member.

Functions

compute_line_offsets

Compute a table of line-start byte offsets from source text.

parse_all_files

Parse all files in parallel, extracting imports and exports. Uses the cache to skip reparsing files whose content hasn’t changed.

parse_from_content

Parse from in-memory content (for LSP).

parse_single_file

Parse a single file and extract module information.