rsw 0.8.0

wasm-pack based build tool
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
129
130
131
132
133
134
135
136
137
138

//! rsw new

use anyhow::Result;
use regex::Regex;
use std::process::Command;

use crate::config::NewOptions;
use crate::core::RswInfo;
use crate::template::Template;
use crate::utils::{self, get_root, path_exists, print, write_file};

pub struct Create {
    name: String,
    config: NewOptions,
    template: Option<String>,
    mode: Option<String>,
}

/// wasm-pack new
///
/// <https://rustwasm.github.io/docs/wasm-pack/commands/new.html>
impl Create {
    pub fn new(
        config: NewOptions,
        name: String,
        template: Option<String>,
        mode: Option<String>,
    ) -> Create {
        Create {
            name,
            config,
            template,
            mode,
        }
    }
    pub fn init(&self) {
        // println!("{:?}", self.config);
        let name = self.name.as_str();
        let (name2, scope) = utils::get_pkg(name);

        let scope2 = format!("@{}", scope);

        self.check_scope(&scope2);

        let mut args = vec!["new", &name2];
        let arg_tpl = self.template.as_deref();
        let arg_mode = self.mode.as_deref();
        let arg_use = self.config.using.as_ref().unwrap();
        let user_dirs = self.config.dir.as_ref().unwrap();

        self.check_crate();

        // --template: https://rustwasm.github.io/docs/wasm-pack/commands/new.html#template
        if !arg_tpl.is_none() {
            args.push("--template");
            args.push(arg_tpl.unwrap());
        }

        // --mode: https://rustwasm.github.io/docs/wasm-pack/commands/new.html#mode
        if !arg_mode.is_none() {
            args.push("--mode");
            args.push(arg_mode.unwrap());
        }

        // wasm-pack
        if arg_use == "wasm-pack" || !arg_tpl.is_none() {
            self.wp_cmd(&args, &scope2);
        }

        // built-in template
        if arg_use == "rsw" {
            self.create_crate().unwrap();
        }

        // custom template
        if arg_use == "user" {
            if user_dirs.is_empty() {
                self.wp_cmd(&args, &scope2);
            } else {
                self.user_crate(user_dirs);
            }
        }

        print(RswInfo::CrateNewOk(name.into()));
    }
    fn check_scope(&self, scope: &String) {
        if scope != "@" {
            let scope_dir = get_root().join(scope);
            if !path_exists(scope_dir.as_path()) {
                std::fs::create_dir(&scope_dir).unwrap();
            }
        }
    }
    fn check_crate(&self) {
        let name = &self.name;
        let path = get_root().join(name);
        if utils::path_exists(path.as_path()) {
            print(RswInfo::CrateNewExist(name.into()));
            std::process::exit(1);
        }
    }
    fn wp_cmd(&self, args: &Vec<&str>, scope: &String) {
        let mut scope_dir = get_root();
        if scope != "@" {
            scope_dir = scope_dir.join(scope);
        }
        Command::new("wasm-pack")
            .current_dir(scope_dir)
            .args(args)
            .status()
            .expect("failed to execute process");
    }
    fn create_crate(&self) -> Result<()> {
        let target = get_root().join(&self.name);
        let root = std::path::Path::new(&target);
        let template = Template::new(&root);

        let (name, _) = utils::get_pkg(&self.name);
        let re = Regex::new(r"(?P<name>rsw-template)").unwrap();
        let cargo = re.replace(std::str::from_utf8(&template.cargo).unwrap(), name);
        let readme = re.replace(std::str::from_utf8(&template.readme).unwrap(), &self.name);

        write_file(root, "README.md", readme.as_bytes())?;
        write_file(root, "Cargo.toml", &cargo.as_bytes())?;
        write_file(root, "src/lib.rs", &template.lib)?;

        Ok(())
    }
    fn user_crate(&self, dir: &str) {
        let root = get_root();
        let source = root.join(dir);
        if !path_exists(source.as_path()) {
            print(RswInfo::ConfigNewDir(dir.into(), source));
            std::process::exit(1);
        }
        utils::copy_dirs(root.join(dir), root.join(&self.name)).unwrap();
    }
}