cli: refactor deno_dir to use Url instead of String

cli/compiler.rs

@@ -9,6 +9,7 @@ use crate::state::*;
 use crate::tokio_util;
 use crate::worker::Worker;
 use deno::Buf;
+use deno::ModuleSpecifier;
 use futures::Future;
 use futures::Stream;
 use std::path::PathBuf;
@@ -17,6 +18,7 @@ use std::sync::atomic::Ordering;
 
 // This corresponds to JS ModuleMetaData.
 // TODO Rename one or the other so they correspond.
+// TODO(bartlomieju): change `*_name` to `*_url` and use Url type
 #[derive(Debug, Clone)]
 pub struct ModuleMetaData {
   pub module_name: String,
@@ -203,6 +205,8 @@ pub fn compile_async(
     .and_then(move |maybe_msg: Option<Buf>| {
       debug!("Received message from worker");
 
+      // TODO: here TS compiler emitted the files to disc and we should signal ModuleMetaData
+      //  cache that source code is available
       if let Some(msg) = maybe_msg {
         let json_str = std::str::from_utf8(&msg).unwrap();
         debug!("Message: {}", json_str);
@@ -213,8 +217,10 @@ pub fn compile_async(
 
       Ok(())
     }).and_then(move |_| {
+      let module_specifier = ModuleSpecifier::resolve_url(&module_name)
+        .expect("Should be valid module specifier");
       state.dir.fetch_module_meta_data_async(
-        &module_name,
+        &module_specifier,
         true,
         true,
       ).map_err(|e| {

cli/deno_error.rs

@@ -1,4 +1,5 @@
 // Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+use crate::deno_dir;
 use crate::diagnostics;
 use crate::fmt_errors::JSErrorColor;
 use crate::import_map;
@@ -34,6 +35,7 @@ enum Repr {
   ModuleResolutionErr(ModuleResolutionError),
   Diagnostic(diagnostics::Diagnostic),
   JSError(JSError),
+  DenoDirErr(deno_dir::DenoDirError),
 }
 
 /// Create a new simple DenoError.
@@ -116,6 +118,7 @@ impl DenoError {
       }
       Repr::Diagnostic(ref _err) => ErrorKind::Diagnostic,
       Repr::JSError(ref _err) => ErrorKind::JSError,
+      Repr::DenoDirErr(ref _err) => ErrorKind::DenoDirError,
     }
   }
 
@@ -141,6 +144,7 @@ impl fmt::Display for DenoError {
       Repr::ModuleResolutionErr(ref err) => err.fmt(f),
       Repr::Diagnostic(ref err) => err.fmt(f),
       Repr::JSError(ref err) => JSErrorColor(err).fmt(f),
+      Repr::DenoDirErr(ref err) => err.fmt(f),
     }
   }
 }
@@ -156,6 +160,7 @@ impl std::error::Error for DenoError {
       Repr::ModuleResolutionErr(ref err) => err.description(),
       Repr::Diagnostic(ref err) => &err.items[0].message,
       Repr::JSError(ref err) => &err.description(),
+      Repr::DenoDirErr(ref err) => err.description(),
     }
   }
 
@@ -169,6 +174,7 @@ impl std::error::Error for DenoError {
       Repr::ModuleResolutionErr(ref err) => err.source(),
       Repr::Diagnostic(ref _err) => None,
       Repr::JSError(ref err) => Some(err),
+      Repr::DenoDirErr(ref err) => Some(err),
     }
   }
 }
@@ -256,6 +262,14 @@ impl From<import_map::ImportMapError> for DenoError {
   }
 }
 
+impl From<deno_dir::DenoDirError> for DenoError {
+  fn from(err: deno_dir::DenoDirError) -> Self {
+    Self {
+      repr: Repr::DenoDirErr(err),
+    }
+  }
+}
+
 impl From<ModuleResolutionError> for DenoError {
   fn from(err: ModuleResolutionError) -> Self {
     Self {
@@ -334,6 +348,8 @@ pub fn err_check<R>(r: Result<R, DenoError>) {
 mod tests {
   use super::*;
   use crate::ansi::strip_ansi_codes;
+  use crate::deno_dir::DenoDirError;
+  use crate::deno_dir::DenoDirErrorKind;
   use crate::diagnostics::Diagnostic;
   use crate::diagnostics::DiagnosticCategory;
   use crate::diagnostics::DiagnosticItem;
@@ -450,6 +466,13 @@ mod tests {
     }
   }
 
+  fn deno_dir_error() -> DenoDirError {
+    DenoDirError::new(
+      "a deno dir error".to_string(),
+      DenoDirErrorKind::UnsupportedFetchScheme,
+    )
+  }
+
   #[test]
   fn test_simple_error() {
     let err = new(ErrorKind::NoError, "foo".to_string());
@@ -494,6 +517,13 @@ mod tests {
     assert_eq!(err.to_string(), "an import map error");
   }
 
+  #[test]
+  fn test_deno_dir_error() {
+    let err = DenoError::from(deno_dir_error());
+    assert_eq!(err.kind(), ErrorKind::DenoDirError);
+    assert_eq!(err.to_string(), "a deno dir error\n");
+  }
+
   #[test]
   fn test_bad_resource() {
     let err = bad_resource();

cli/msg.fbs

@@ -143,6 +143,7 @@ enum ErrorKind: byte {
   NoSyncSupport,
   ImportMapError,
   ImportPrefixMissing,
+  DenoDirError,
 
   // other kinds
   Diagnostic,

cli/ops.rs

@@ -481,8 +481,12 @@ fn op_cache(
   // cache path. In the future, checksums will not be used in the cache
   // filenames and this requirement can be removed. See
   // https://github.com/denoland/deno/issues/2057
+  let module_specifier = ModuleSpecifier::resolve_url(module_id)
+    .expect("Should be valid module specifier");
   let module_meta_data =
-    state.dir.fetch_module_meta_data(module_id, true, true)?;
+    state
+      .dir
+      .fetch_module_meta_data(&module_specifier, true, true)?;
 
   let (js_cache_path, source_map_path) = state.dir.cache_path(
     &PathBuf::from(&module_meta_data.filename),
@@ -525,11 +529,8 @@ fn op_fetch_module_meta_data(
 
   let fut = state
     .dir
-    .fetch_module_meta_data_async(
-      &resolved_specifier.to_string(),
-      use_cache,
-      no_fetch,
-    ).and_then(move |out| {
+    .fetch_module_meta_data_async(&resolved_specifier, use_cache, no_fetch)
+    .and_then(move |out| {
       let builder = &mut FlatBufferBuilder::new();
       let data_off = builder.create_vector(out.source_code.as_slice());
       let msg_args = msg::FetchModuleMetaDataResArgs {

cli/state.rs

@@ -126,11 +126,8 @@ pub fn fetch_module_meta_data_and_maybe_compile_async(
 
   state_
     .dir
-    .fetch_module_meta_data_async(
-      &module_specifier.to_string(),
-      use_cache,
-      no_fetch,
-    ).and_then(move |out| {
+    .fetch_module_meta_data_async(&module_specifier, use_cache, no_fetch)
+    .and_then(move |out| {
       if out.media_type == msg::MediaType::TypeScript
         && !out.has_output_code_and_source_map()
       {

core/module_specifier.rs

@@ -179,6 +179,41 @@ mod tests {
   #[test]
   fn test_resolve_import() {
     let tests = vec![
+      (
+        "./005_more_imports.ts",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        "http://deno.land/core/tests/005_more_imports.ts",
+      ),
+      (
+        "../005_more_imports.ts",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        "http://deno.land/core/005_more_imports.ts",
+      ),
+      (
+        "http://deno.land/core/tests/005_more_imports.ts",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        "http://deno.land/core/tests/005_more_imports.ts",
+      ),
+      (
+        "data:text/javascript,export default 'grapes';",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        "data:text/javascript,export default 'grapes';",
+      ),
+      (
+        "blob:https://whatwg.org/d0360e2f-caee-469f-9a2f-87d5b0456f6f",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        "blob:https://whatwg.org/d0360e2f-caee-469f-9a2f-87d5b0456f6f",
+      ),
+      (
+        "javascript:export default 'artichokes';",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        "javascript:export default 'artichokes';",
+      ),
+      (
+        "data:text/plain,export default 'kale';",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        "data:text/plain,export default 'kale';",
+      ),
       (
         "/dev/core/tests/005_more_imports.ts",
         "file:///home/yeti",
@@ -222,6 +257,31 @@ mod tests {
     use ModuleResolutionError::*;
 
     let tests = vec![
+      (
+        "005_more_imports.ts",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        ImportPrefixMissing,
+      ),
+      (
+        ".tomato",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        ImportPrefixMissing,
+      ),
+      (
+        "..zucchini.mjs",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        ImportPrefixMissing,
+      ),
+      (
+        r".\yam.es",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        ImportPrefixMissing,
+      ),
+      (
+        r"..\yam.es",
+        "http://deno.land/core/tests/006_url_imports.ts",
+        ImportPrefixMissing,
+      ),
       (
         "https://eggplant:b/c",
         "http://deno.land/core/tests/006_url_imports.ts",
@@ -248,7 +308,16 @@ mod tests {
   #[test]
   fn test_resolve_url_or_path() {
     // Absolute URL.
-    let mut tests: Vec<(&str, String)> = vec![];
+    let mut tests: Vec<(&str, String)> = vec![
+      (
+        "http://deno.land/core/tests/006_url_imports.ts",
+        "http://deno.land/core/tests/006_url_imports.ts".to_string(),
+      ),
+      (
+        "https://deno.land/core/tests/006_url_imports.ts",
+        "https://deno.land/core/tests/006_url_imports.ts".to_string(),
+      ),
+    ];
 
     // The local path tests assume that the cwd is the deno repo root.
     let cwd = current_dir().unwrap();

tests/error_012_bad_dynamic_import_specifier.ts.out

@@ -7,5 +7,6 @@
     at fetchModuleMetaData (js/compiler.ts:[WILDCARD])
     at _resolveModule (js/compiler.ts:[WILDCARD])
     at js/compiler.ts:[WILDCARD]
+    at resolveModuleNames (js/compiler.ts:[WILDCARD])
     at resolveModuleNamesWorker ([WILDCARD])
     at resolveModuleNamesReusingOldState ([WILDCARD]typescript.js:[WILDCARD])