dxc_hooks/
use_namespace.rs

1use std::collections::HashMap;
2use dxc_types::namespace::Block;
3
4static DEFAULT_NAMESPACE: &str = "dxc";
5static STATE_PREFIX: &str = "is-";
6
7fn bem(namespace: String, block: Block, block_suffix: String, element: String, modifier: String) -> String {
8    let mut cls = format! {"{}-{}", namespace ,block };
9
10    if block_suffix != String::new() {
11        cls = format! {"{}-{}", cls, block_suffix };
12    }
13    if element != String::new() {
14        cls = format! {"{}__{}", cls, element };
15    }
16    if modifier != String::new() {
17        cls = format! {"{}--{}", cls, modifier };
18    }
19    return cls;
20}
21
22// pub const NAMESPACE_CONTEXT_KEY: &str = "namespaceContextKey";
23
24pub fn use_get_derived_namespace(namespace_overrides: Option<String>) -> String {
25    match namespace_overrides {
26        Some(namespace) => namespace,
27        _ => String::from(DEFAULT_NAMESPACE),
28    }
29}
30
31#[derive(Clone, Debug)]
32pub struct UseNamespace {
33    block: Block,
34    namespace_overrides: Option<String>,
35}
36
37impl UseNamespace {
38    pub fn new(block: Block, namespace_overrides: Option<String>) -> Self {
39        UseNamespace {
40            block,
41            namespace_overrides,
42        }
43    }
44
45    pub fn namespace(&self) -> String {
46        use_get_derived_namespace(self.namespace_overrides.clone())
47    }
48
49    pub fn b(&self) -> String {
50        bem(self.namespace(), self.block, String::new(), String::new(), String::new())
51    }
52
53    pub fn b_(&self, block_suffix: String) -> String {
54        bem(self.namespace(), self.block, block_suffix, String::new(), String::new())
55    }
56
57    pub fn e_(&self, element: String) -> String {
58        bem(self.namespace(), self.block, String::new(), element, String::new())
59    }
60
61    pub fn m_(&self, modifier: String) -> String {
62        if modifier == String::new() {
63            String::new()
64        } else {
65            bem(self.namespace(), self.block, String::new(), String::new(), modifier)
66        }
67    }
68
69    pub fn be_(&self, block_suffix: String, element: String) -> String {
70        bem(self.namespace(), self.block, block_suffix, element, String::new())
71    }
72
73    pub fn em_(&self, element: String, modifier: String) -> String {
74        bem(self.namespace(), self.block, String::new(), element, modifier)
75    }
76
77    pub fn bm_(&self, block_suffix: String, modifier: String) -> String {
78        bem(self.namespace(), self.block, block_suffix, String::new(), modifier)
79    }
80
81    pub fn bem_(&self, block_suffix: String, element: String, modifier: String) -> String {
82        bem(
83            self.namespace(),
84            self.block,
85            block_suffix,
86            element,
87            modifier,
88        )
89    }
90
91    pub fn is_(&self, name: String, state: Option<bool>) -> String {
92        match state {
93            Some(true) => format!("{}{}", STATE_PREFIX, name),
94            Some(false) => String::new(),
95            None => format!("{}{}", STATE_PREFIX, name),
96        }
97    }
98
99    pub fn css_var(&self, object: &HashMap<String, String>) -> HashMap<String, String> {
100        object
101            .iter()
102            .map(|(key, value)| {
103                let css_var_name = format!("--{}-{}", self.namespace(), key);
104                (css_var_name, value.to_string())
105            })
106            .collect()
107    }
108
109    pub fn css_var_block(&self, object: HashMap<String, String>) -> String {
110        object
111            .iter()
112            .map(|(key, value)| {
113                format!("--{}-{}-{}: {};", self.namespace(), self.block, key, value)
114            })
115            .collect::<Vec<String>>()
116            .join(" ")
117    }
118
119    pub fn css_var_name(&self, name: String) -> String {
120        format!("--{}-{}", self.namespace(), name)
121    }
122
123    pub fn css_var_block_name(&self, name: String) -> String {
124        format!("--{}-{}-{}", self.namespace(), self.block, name)
125    }
126}
dxc_hooks/use_namespace.rs

dxc_hooks/
use_namespace.rs
