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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159

use crate::get_asset;
use crate::TSState;
use deno::CoreOp;
use deno::ErrBox;
use deno::ModuleSpecifier;
use deno::Op;
use deno::OpId;
use serde::Deserialize;
use serde_json::json;
use serde_json::Value;

#[derive(Debug)]
pub struct WrittenFile {
  pub url: String,
  pub module_name: String,
  pub source_code: String,
}

fn dispatch2(
  s: &mut TSState,
  op_id: OpId,
  control_buf: &[u8],
) -> Result<Value, ErrBox> {
  let v = serde_json::from_slice(control_buf)?;
  match op_id {
    49 => read_file(s, v),
    50 => exit(s, v),
    51 => write_file(s, v),
    52 => resolve_module_names(s, v),
    53 => set_emit_result(s, v),
    _ => unreachable!(),
  }
}

pub fn dispatch_op(s: &mut TSState, op_id: OpId, control_buf: &[u8]) -> CoreOp {
  let result = dispatch2(s, op_id, control_buf);
  let response = match result {
    Ok(v) => json!({ "ok": v }),
    Err(err) => json!({ "err": err.to_string() }),
  };
  let x = serde_json::to_string(&response).unwrap();
  let vec = x.to_string().into_bytes();
  Op::Sync(vec.into_boxed_slice())
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct ReadFile {
  file_name: String,
  language_version: Option<i32>,
  should_create_new_source_file: bool,
}

fn read_file(_s: &mut TSState, v: Value) -> Result<Value, ErrBox> {
  let v: ReadFile = serde_json::from_value(v)?;
  let (module_name, source_code) = if v.file_name.starts_with("$asset$/") {
    let asset = v.file_name.replace("$asset$/", "");
    let source_code = get_asset(&asset);
    (asset, source_code)
  } else {
    assert!(!v.file_name.starts_with("$assets$"), "you meant $asset$");
    let module_specifier = ModuleSpecifier::resolve_url_or_path(&v.file_name)?;
    let path = module_specifier.as_url().to_file_path().unwrap();
    println!("cargo:rerun-if-changed={}", path.display());
    (
      module_specifier.as_str().to_string(),
      std::fs::read_to_string(&path)?,
    )
  };
  Ok(json!({
    "moduleName": module_name,
    "sourceCode": source_code,
  }))
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct WriteFile {
  file_name: String,
  data: String,
  module_name: String,
}

fn write_file(s: &mut TSState, v: Value) -> Result<Value, ErrBox> {
  let v: WriteFile = serde_json::from_value(v)?;
  let module_specifier = ModuleSpecifier::resolve_url_or_path(&v.file_name)?;
  if s.bundle {
    std::fs::write(&v.file_name, &v.data)?;
  }
  s.written_files.push(WrittenFile {
    url: module_specifier.as_str().to_string(),
    module_name: v.module_name,
    source_code: v.data,
  });
  Ok(json!(true))
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct ResolveModuleNames {
  module_names: Vec<String>,
  containing_file: String,
}

fn resolve_module_names(_s: &mut TSState, v: Value) -> Result<Value, ErrBox> {
  let v: ResolveModuleNames = serde_json::from_value(v).unwrap();
  let mut resolved = Vec::<String>::new();

  /*
  use std::path::Path;
  let referrer = Path::new(&v.containing_file).parent().unwrap();
  for specifier in v.module_names {
    let s = referrer.join(specifier);
    resolved.push(s.to_string_lossy().to_string());
  }
  */

  /* TODO Using ModuleSpecifier and URLs results in

    TS5009: Cannot find the common subdirectory path for the input files.

    If that error disabled/ignored, then the writeFile orders are issued to
    write them as neighbors.
  */

  let referrer = ModuleSpecifier::resolve_url_or_path(&v.containing_file)?;
  for specifier in v.module_names {
    let ms = ModuleSpecifier::resolve_import(&specifier, referrer.as_str())?;
    resolved.push(ms.as_str().to_string());
  }

  Ok(json!(resolved))
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct Exit {
  code: i32,
}

fn exit(s: &mut TSState, v: Value) -> Result<Value, ErrBox> {
  let v: Exit = serde_json::from_value(v)?;
  s.exit_code = v.code;
  std::process::exit(v.code)
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct EmitResult {
  pub emit_skipped: bool,
  pub diagnostics: Vec<String>,
  pub emitted_files: Vec<String>, // "sourceMaps": []
}

fn set_emit_result(s: &mut TSState, v: Value) -> Result<Value, ErrBox> {
  let v: EmitResult = serde_json::from_value(v)?;
  s.emit_result = Some(v);
  Ok(json!(true))
}