synopkg 14.0.1

Consistent dependency versions in large JavaScript Monorepos
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

use {
  crate::{
    cli::Cli,
    rcfile::{
      error::{NodeJsResult, RcfileError},
      Rcfile,
    },
  },
  log::debug,
  std::{path::Path, process::Command},
};

pub fn from_javascript_path(file_path: &Path) -> Result<Rcfile, RcfileError> {
  let escaped_file_path_for_nodejs = file_path.to_string_lossy().replace('\\', "\\\\");
  let nodejs_script = format!(
    r#"
    import('{escaped_file_path_for_nodejs}')
      .then(findConfig)
      .then((value) => {{
        if (isNonEmptyObject(value)) {{
          console.log(JSON.stringify({{
            _tag: 'Ok',
            value: JSON.stringify(value),
            source: 'import',
          }}));
        }} else {{
          tryRequire('Config expected at default export');
        }}
      }})
      .catch((err) => {{
        tryRequire(err.stack || err.message || 'Unknown error in import()');
      }});

    function tryRequire(importError) {{
      Promise.resolve(null)
        .then(() => require('{escaped_file_path_for_nodejs}'))
        .then(findConfig)
        .then((value) => {{
          if (isNonEmptyObject(value)) {{
            console.log(JSON.stringify({{
              _tag: 'Ok',
              value: JSON.stringify(value),
              source: 'require',
            }}));
          }} else {{
            console.log(JSON.stringify({{
              _tag: 'Err',
              importError,
              requireError: 'Config expected at module.exports',
            }}));
          }}
        }})
        .catch((err) => {{
          console.log(JSON.stringify({{
            _tag: 'Err',
            importError,
            requireError: err.stack || err.message || 'Unknown require error'
          }}));
        }});
    }};

    function isNonEmptyObject(value) {{
      return value && typeof value === 'object' && value.constructor === Object && Object.keys(value).length > 0;
    }}

    function findConfig(mod) {{
      return mod.default && mod.default.default ? mod.default.default : mod.default;
    }}
    "#
  );

  let is_typescript = file_path.to_string_lossy().ends_with("ts");
  let mut args = vec![];

  if is_typescript {
    args.push("--experimental-strip-types");
  }

  args.push("--eval");
  args.push(&nodejs_script);

  Command::new("node")
    .args(args)
    .current_dir(file_path.parent().unwrap_or_else(|| Path::new(".")))
    .output()
    .map_err(RcfileError::NodeJsExecutionFailed)
    .and_then(|output| {
      if output.status.success() {
        Ok(output.stdout)
      } else {
        let stderr = String::from_utf8_lossy(&output.stderr).to_string();
        if stderr.contains("experimental-strip-types") {
          Err(RcfileError::NodeJsCannotStripTypes { stderr })
        } else {
          Err(RcfileError::ProcessFailed { stderr })
        }
      }
    })
    .and_then(|stdout| String::from_utf8(stdout).map_err(RcfileError::InvalidUtf8))
    .inspect(|json_str| {
      debug!("Raw output from {:?}: {}", file_path, json_str.trim());
    })
    .and_then(|json_str| serde_json::from_str::<NodeJsResult>(&json_str).map_err(RcfileError::JsonParseFailed))
    .and_then(|response| match response {
      NodeJsResult::Success { value } => serde_json::from_str::<Rcfile>(&value).map_err(RcfileError::InvalidConfig),
      NodeJsResult::Error {
        import_error,
        require_error,
      } => Err(RcfileError::JavaScriptImportFailed {
        import_error,
        require_error,
      }),
    })
}

pub fn try_from_js_candidates(cli: &Cli) -> Option<Result<Rcfile, RcfileError>> {
  let candidates = vec![
    ".synopkgrc.js",
    ".synopkgrc.ts",
    ".synopkgrc.mjs",
    ".synopkgrc.cjs",
    "synopkg.config.js",
    "synopkg.config.ts",
    "synopkg.config.mjs",
    "synopkg.config.cjs",
  ];
  for candidate in candidates {
    let config_path = cli.cwd.join(candidate);
    if config_path.exists() {
      debug!("Found JavaScript/TypeScript config file: {config_path:?}");
      return Some(from_javascript_path(&config_path));
    }
  }
  None
}