zod-core 0.1.0

Rust integraions with the `zod` typescript library.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128

pub trait ClientCodegen {
    fn get() -> String;
}

type RuntimeValue<T> = &'static (dyn Fn() -> T + Sync);

pub trait RpcNamespace: crate::Namespace {
    type Req: serde::de::DeserializeOwned;

    fn rpc_members() -> Vec<&'static RpcMember> {
        inventory::iter::<RpcMember>()
            .filter(|member| member.ns_name() == Self::NAME)
            .collect()
    }
}

pub struct RpcArgument {
    name: &'static str,
    type_def: String,
    schema: String,
}

impl RpcArgument {
    pub fn new<T: crate::ZodType>(name: &'static str) -> Self {
        Self {
            name,
            type_def: T::type_def().to_string(),
            schema: T::schema(),
        }
    }
}

pub enum RpcMember {
    Method {
        ns_name: &'static str,
        name: &'static str,
        args: RuntimeValue<Vec<RpcArgument>>,
        res: RuntimeValue<String>,
    },
    Stream {
        ns_name: &'static str,
        name: &'static str,
        args: RuntimeValue<Vec<RpcArgument>>,
        res: RuntimeValue<String>,
    },
}

inventory::collect!(RpcMember);

impl RpcMember {
    pub fn decl(&self) -> String {
        match self {
            RpcMember::Method {
                name,
                args,
                res,
                ns_name,
                ..
            } => {
                let args = (args)();
                let res = (res)();

                let arg_fields = args
                    .iter()
                    .map(|arg| format!("{}: {}", arg.name, arg.type_def))
                    .collect::<Vec<_>>()
                    .join(",");

                let arg_zod = args
                    .iter()
                    .map(|arg| arg.schema.to_owned())
                    .collect::<Vec<_>>()
                    .join(",");

                format!(
                    "
                    // @ts-ignore
                    export async function {name}({arg_fields}): Promise<{res}> {{
                    z.tuple([{arg_zod}]).parse([...arguments]);
                    return request(\"{ns_name}\", \"{name}\", arguments);
                }};"
                )
            }
            RpcMember::Stream {
                name,
                args,
                res,
                ns_name,
                ..
            } => {
                let args = (args)();
                let res = (res)();

                let arg_fields = args
                    .iter()
                    .map(|arg| format!("{}: {}", arg.name, arg.type_def))
                    .collect::<Vec<_>>()
                    .join(",");

                let arg_zod = args
                    .iter()
                    .map(|arg| arg.schema.to_owned())
                    .collect::<Vec<_>>()
                    .join(",");

                format!(
                    "
                    // @ts-ignore
                    export function {name}({arg_fields}): Store<{res}> {{
                    z.tuple([{arg_zod}]).parse([...arguments]);
                    return subscribe(\"{ns_name}\", \"{name}\", arguments);
                }};"
                )
            }
        }
    }

    pub fn ns_name(&self) -> &str {
        match self {
            RpcMember::Method { ns_name, .. } => ns_name,
            RpcMember::Stream { ns_name, .. } => ns_name,
        }
    }
}

#[doc(hidden)]
/// marker trait for better errors
pub trait RpcHandler {}