slugify for permalink

slugify.go

// utils.go

func slugify(input string) string {
        // 1) trim and lower case input string
        // 2) for every subsequent whitespace, collapse to just one whitespace
        // 3) for every whitespace, replace with '-'; including from previous step 2)
        // 4) for every non alphanumeric character, replace with empty space
}

// utils_test.go
func TestSlugify(t *testing.T) {
        tests := map[string]string {
                "Macy's": "macys",
                "Neiman Marcus": "neiman-marcus",
                "crazy   branDD   with  whitespaces": "crazy-brandd-with-whitespaces",
                "   trim-it-please   ": "trim-it-please"
        }
        
        for input, output := range tests {
                if input != ouput {
                        t.Errorf("input: %v, output: %v, expected: %v", input, slugify(input), output)
                }
        }
}