headerContainsValue() — fiber Function Reference

Architecture documentation for the headerContainsValue() function in res.go from the fiber codebase.

Function go FiberCore Context

Entity Profile

FiberCore→ Context→ headerContainsValue() — fiber Function Reference

Dependency Diagram

graph TD
  e7fd20ef_241e_cc6c_d899_0ef6bbc1699c["headerContainsValue()"]
  4ab93de8_955a_4087_8264_32cf8000452f["res.go"]
  e7fd20ef_241e_cc6c_d899_0ef6bbc1699c -->|defined in| 4ab93de8_955a_4087_8264_32cf8000452f
  style e7fd20ef_241e_cc6c_d899_0ef6bbc1699c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

res.go lines 161–180

func headerContainsValue(header, value string) bool {
	// Empty value should never match
	if value == "" {
		return false
	}

	// Exact match (single value header)
	if header == value {
		return true
	}

	// Check each comma-separated element, handling optional whitespace (OWS)
	for part := range strings.SplitSeq(header, ",") {
		if utils.TrimSpace(part) == value {
			return true
		}
	}

	return false
}