test_utility_extraction() — tailwindcss Function Reference

Architecture documentation for the test_utility_extraction() function in utility_machine.rs from the tailwindcss codebase.

Function rust OxideEngine Extractor

Entity Profile

OxideEngine→ Extractor→ test_utility_extraction() — tailwindcss Function Reference

Dependency Diagram

graph TD
  f09274bb_ed58_0f90_a91a_d4f34131061c["test_utility_extraction()"]
  32b9b48f_ad55_d7a6_3de9_85eb03c312f2["utility_machine.rs"]
  f09274bb_ed58_0f90_a91a_d4f34131061c -->|defined in| 32b9b48f_ad55_d7a6_3de9_85eb03c312f2
  style f09274bb_ed58_0f90_a91a_d4f34131061c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

crates/oxide/src/extractor/utility_machine.rs lines 209–345

    fn test_utility_extraction() {
        for (input, expected) in [
            // Simple utility
            ("flex", vec!["flex"]),
            // Simple utility with special character(s)
            ("@container", vec!["@container"]),
            // Single character utility
            ("a", vec!["a"]),
            // Important utilities
            ("!flex", vec!["!flex"]),
            ("flex!", vec!["flex!"]),
            ("flex! block", vec!["flex!", "block"]),
            // With dashes
            ("items-center", vec!["items-center"]),
            ("items--center", vec!["items--center"]),
            // Inside a string
            ("'flex'", vec!["flex"]),
            // Multiple utilities
            ("flex items-center", vec!["flex", "items-center"]),
            // Arbitrary property
            ("[color:red]", vec!["[color:red]"]),
            ("![color:red]", vec!["![color:red]"]),
            ("[color:red]!", vec!["[color:red]!"]),
            ("[color:red]/20", vec!["[color:red]/20"]),
            ("![color:red]/20", vec!["![color:red]/20"]),
            ("[color:red]/20!", vec!["[color:red]/20!"]),
            // Modifiers
            ("bg-red-500/20", vec!["bg-red-500/20"]),
            ("bg-red-500/[20%]", vec!["bg-red-500/[20%]"]),
            (
                "bg-red-500/(--my-opacity)",
                vec!["bg-red-500/(--my-opacity)"],
            ),
            // Modifiers with important (legacy)
            ("!bg-red-500/20", vec!["!bg-red-500/20"]),
            ("!bg-red-500/[20%]", vec!["!bg-red-500/[20%]"]),
            (
                "!bg-red-500/(--my-opacity)",
                vec!["!bg-red-500/(--my-opacity)"],
            ),
            // Modifiers with important
            ("bg-red-500/20!", vec!["bg-red-500/20!"]),
            ("bg-red-500/[20%]!", vec!["bg-red-500/[20%]!"]),
            (
                "bg-red-500/(--my-opacity)!",
                vec!["bg-red-500/(--my-opacity)!"],
            ),
            // Arbitrary value with bracket notation
            ("bg-[#0088cc]", vec!["bg-[#0088cc]"]),
            // Arbitrary value with arbitrary property shorthand modifier
            (
                "bg-[#0088cc]/(--my-opacity)",
                vec!["bg-[#0088cc]/(--my-opacity)"],
            ),
            // Arbitrary value with CSS property shorthand
            ("bg-(--my-color)", vec!["bg-(--my-color)"]),
            // Multiple utilities including arbitrary property shorthand
            (
                "bg-(--my-color) flex px-(--my-padding)",
                vec!["bg-(--my-color)", "flex", "px-(--my-padding)"],
            ),
            // --------------------------------------------------------

            // Exceptions:
            ("bg-red-500/20/20", vec![]),
            ("bg-[#0088cc]/20/20", vec![]),
        ] {
            for (wrapper, additional) in [
                // No wrapper
                ("{}", vec![]),
                // With leading spaces
                (" {}", vec![]),
                // With trailing spaces
                ("{} ", vec![]),
                // Surrounded by spaces
                (" {} ", vec![]),
                // Inside a string
                ("'{}'", vec![]),
                // Inside a function call
                ("fn('{}')", vec![]),
                // Inside nested function calls