5 files changed, 94 insertions, 1 deletions
diff --git a/cli/module_graph2.rs b/cli/module_graph2.rs
index df2e5fc61..3fc900373 100644
--- a/cli/module_graph2.rs
+++ b/cli/module_graph2.rs
@@ -1735,6 +1735,51 @@ pub mod tests {
   }
 
   #[tokio::test]
+  async fn test_graph_check_user_config() {
+    let specifier =
+      ModuleSpecifier::resolve_url_or_path("file:///tests/checkwithconfig.ts")
+        .expect("could not resolve module");
+    let (graph, handler) = setup(specifier.clone()).await;
+    let (_, diagnostics, maybe_ignored_options) = graph
+      .check(CheckOptions {
+        debug: false,
+        emit: true,
+        lib: TypeLib::DenoWindow,
+        maybe_config_path: Some(
+          "tests/module_graph/tsconfig_01.json".to_string(),
+        ),
+        reload: true,
+      })
+      .expect("should have checked");
+    assert!(maybe_ignored_options.is_none());
+    assert!(diagnostics.is_empty());
+    let h = handler.borrow();
+    assert_eq!(h.version_calls.len(), 2);
+    let ver0 = h.version_calls[0].1.clone();
+    let ver1 = h.version_calls[1].1.clone();
+
+    // let's do it all over again to ensure that the versions are determinstic
+    let (graph, handler) = setup(specifier).await;
+    let (_, diagnostics, maybe_ignored_options) = graph
+      .check(CheckOptions {
+        debug: false,
+        emit: true,
+        lib: TypeLib::DenoWindow,
+        maybe_config_path: Some(
+          "tests/module_graph/tsconfig_01.json".to_string(),
+        ),
+        reload: true,
+      })
+      .expect("should have checked");
+    assert!(maybe_ignored_options.is_none());
+    assert!(diagnostics.is_empty());
+    let h = handler.borrow();
+    assert_eq!(h.version_calls.len(), 2);
+    assert!(h.version_calls[0].1 == ver0 || h.version_calls[0].1 == ver1);
+    assert!(h.version_calls[1].1 == ver0 || h.version_calls[1].1 == ver1);
+  }
+
+  #[tokio::test]
   async fn test_graph_info() {
     let specifier =
       ModuleSpecifier::resolve_url_or_path("file:///tests/main.ts")
diff --git a/cli/tests/module_graph/file_tests-checkwithconfig.ts b/cli/tests/module_graph/file_tests-checkwithconfig.ts
new file mode 100644
index 000000000..e7af5fa19
--- /dev/null
+++ b/cli/tests/module_graph/file_tests-checkwithconfig.ts
@@ -0,0 +1,5 @@
+import { ServerRequest } from "https://deno.land/std/http/server.ts";
+
+export default (req: ServerRequest) => {
+  req.respond({ body: `Hello, from Deno v${Deno.version.deno}!` });
+};
diff --git a/cli/tests/module_graph/https_deno.land-std-http-server.ts b/cli/tests/module_graph/https_deno.land-std-http-server.ts
new file mode 100644
index 000000000..0b3c995ec
--- /dev/null
+++ b/cli/tests/module_graph/https_deno.land-std-http-server.ts
@@ -0,0 +1,5 @@
+export class ServerRequest {
+  respond(value: { body: string }) {
+    console.log(value);
+  }
+}
diff --git a/cli/tests/module_graph/tsconfig_01.json b/cli/tests/module_graph/tsconfig_01.json
new file mode 100644
index 000000000..f7496d475
--- /dev/null
+++ b/cli/tests/module_graph/tsconfig_01.json
@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "strict": false,
+    "noImplicitAny": false,
+    "noImplicitThis": false,
+    "alwaysStrict": false,
+    "strictNullChecks": false,
+    "strictFunctionTypes": true,
+    "strictPropertyInitialization": false,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true
+  }
+}
diff --git a/cli/tsc_config.rs b/cli/tsc_config.rs
index 93f269ed3..93e9dddb2 100644
--- a/cli/tsc_config.rs
+++ b/cli/tsc_config.rs
@@ -8,6 +8,7 @@ use jsonc_parser::JsonValue;
 use serde::Deserialize;
 use serde::Serialize;
 use serde::Serializer;
+use std::collections::BTreeMap;
 use std::collections::HashMap;
 use std::fmt;
 use std::path::Path;
@@ -230,7 +231,10 @@ impl TsConfig {
   }
 
   pub fn as_bytes(&self) -> Vec<u8> {
-    self.0.to_string().as_bytes().to_owned()
+    let map = self.0.as_object().unwrap();
+    let ordered: BTreeMap<_, _> = map.iter().collect();
+    let value = json!(ordered);
+    value.to_string().as_bytes().to_owned()
   }
 
   /// Return the value of the `checkJs` compiler option, defaulting to `false`
@@ -400,4 +404,25 @@ mod tests {
       .to_string()
       .starts_with("Unterminated object on line 1"));
   }
+
+  #[test]
+  fn test_tsconfig_as_bytes() {
+    let mut tsconfig1 = TsConfig::new(json!({
+      "strict": true,
+      "target": "esnext",
+    }));
+    tsconfig1.merge(&json!({
+      "target": "es5",
+      "module": "amd",
+    }));
+    let mut tsconfig2 = TsConfig::new(json!({
+      "target": "esnext",
+      "strict": true,
+    }));
+    tsconfig2.merge(&json!({
+      "module": "amd",
+      "target": "es5",
+    }));
+    assert_eq!(tsconfig1.as_bytes(), tsconfig2.as_bytes());
+  }
 }