Worker Class — tailwindcss Architecture

Source Code

crates/ignore/src/walk.rs lines 1579–1612

struct Worker<'s> {
    /// The caller's callback.
    visitor: Box<dyn ParallelVisitor + 's>,
    /// A work-stealing stack of work to do.
    ///
    /// We use a stack instead of a channel because a stack lets us visit
    /// directories in depth first order. This can substantially reduce peak
    /// memory usage by keeping both the number of file paths and gitignore
    /// matchers in memory lower.
    stack: Stack,
    /// Whether all workers should terminate at the next opportunity. Note
    /// that we need this because we don't want other `Work` to be done after
    /// we quit. We wouldn't need this if have a priority channel.
    quit_now: Arc<AtomicBool>,
    /// The number of currently active workers.
    active_workers: Arc<AtomicUsize>,
    /// The maximum depth of directories to descend. A value of `0` means no
    /// descension at all.
    max_depth: Option<usize>,
    /// The minimum depth of directories to descend.
    min_depth: Option<usize>,
    /// The maximum size a searched file can be (in bytes). If a file exceeds
    /// this size it will be skipped.
    max_filesize: Option<u64>,
    /// Whether to follow symbolic links or not. When this is enabled, loop
    /// detection is performed.
    follow_links: bool,
    /// A file handle to skip, currently is either `None` or stdout, if it's
    /// a file and it has been requested to skip files identical to stdout.
    skip: Option<Arc<Handle>>,
    /// A predicate applied to dir entries. If true, the entry and all
    /// children will be skipped.
    filter: Option<Filter>,
}