feat(lsp): dependency hover information (#11090)

1 files changed, 204 insertions, 0 deletions

diff --git a/cli/tests/integration_tests_lsp.rs b/cli/tests/integration_tests_lsp.rs
index c33f6721f..81eb64b7a 100644
--- a/cli/tests/integration_tests_lsp.rs
+++ b/cli/tests/integration_tests_lsp.rs
@@ -751,6 +751,210 @@ fn lsp_hover_closed_document() {
 }
 
 #[test]
+fn lsp_hover_dependency() {
+  let _g = http_server();
+  let mut client = init("initialize_params.json");
+  did_open(
+    &mut client,
+    json!({
+      "textDocument": {
+        "uri": "file:///a/file_01.ts",
+        "languageId": "typescript",
+        "version": 1,
+        "text": "export const a = \"a\";\n",
+      }
+    }),
+  );
+  did_open(
+    &mut client,
+    load_fixture("did_open_params_import_hover.json"),
+  );
+  let (maybe_res, maybe_err) = client
+    .write_request::<_, _, Value>(
+      "deno/cache",
+      json!({
+        "referrer": {
+          "uri": "file:///a/file.ts",
+        },
+        "uris": [],
+      }),
+    )
+    .unwrap();
+  assert!(maybe_err.is_none());
+  assert!(maybe_res.is_some());
+  let (maybe_res, maybe_err) = client
+    .write_request(
+      "textDocument/hover",
+      json!({
+        "textDocument": {
+          "uri": "file:///a/file.ts",
+        },
+        "position": {
+          "line": 0,
+          "character": 28
+        }
+      }),
+    )
+    .unwrap();
+  assert!(maybe_err.is_none());
+  assert_eq!(
+    maybe_res,
+    Some(json!({
+      "contents": {
+        "kind": "markdown",
+        "value": "**Resolved Dependency**\n\n**Code**: http&#8203;://127.0.0.1:4545/xTypeScriptTypes.js\n"
+      },
+      "range": {
+        "start": {
+          "line": 0,
+          "character": 20
+        },
+        "end":{
+          "line": 0,
+          "character": 61
+        }
+      }
+    }))
+  );
+  let (maybe_res, maybe_err) = client
+    .write_request(
+      "textDocument/hover",
+      json!({
+        "textDocument": {
+          "uri": "file:///a/file.ts",
+        },
+        "position": {
+          "line": 3,
+          "character": 28
+        }
+      }),
+    )
+    .unwrap();
+  assert!(maybe_err.is_none());
+  assert_eq!(
+    maybe_res,
+    Some(json!({
+      "contents": {
+        "kind": "markdown",
+        "value": "**Resolved Dependency**\n\n**Code**: http&#8203;://127.0.0.1:4545/cli/tests/subdir/type_reference.js\n"
+      },
+      "range": {
+        "start": {
+          "line": 3,
+          "character": 20
+        },
+        "end":{
+          "line": 3,
+          "character": 76
+        }
+      }
+    }))
+  );
+  let (maybe_res, maybe_err) = client
+    .write_request(
+      "textDocument/hover",
+      json!({
+        "textDocument": {
+          "uri": "file:///a/file.ts",
+        },
+        "position": {
+          "line": 4,
+          "character": 28
+        }
+      }),
+    )
+    .unwrap();
+  assert!(maybe_err.is_none());
+  assert_eq!(
+    maybe_res,
+    Some(json!({
+      "contents": {
+        "kind": "markdown",
+        "value": "**Resolved Dependency**\n\n**Code**: http&#8203;://127.0.0.1:4545/cli/tests/subdir/mod1.ts\n"
+      },
+      "range": {
+        "start": {
+          "line": 4,
+          "character": 20
+        },
+        "end":{
+          "line": 4,
+          "character": 66
+        }
+      }
+    }))
+  );
+  let (maybe_res, maybe_err) = client
+    .write_request(
+      "textDocument/hover",
+      json!({
+        "textDocument": {
+          "uri": "file:///a/file.ts",
+        },
+        "position": {
+          "line": 5,
+          "character": 28
+        }
+      }),
+    )
+    .unwrap();
+  assert!(maybe_err.is_none());
+  assert_eq!(
+    maybe_res,
+    Some(json!({
+      "contents": {
+        "kind": "markdown",
+        "value": "**Resolved Dependency**\n\n**Code**: _(a data url)_\n"
+      },
+      "range": {
+        "start": {
+          "line": 5,
+          "character": 20
+        },
+        "end":{
+          "line": 5,
+          "character": 131
+        }
+      }
+    }))
+  );
+  let (maybe_res, maybe_err) = client
+    .write_request(
+      "textDocument/hover",
+      json!({
+        "textDocument": {
+          "uri": "file:///a/file.ts",
+        },
+        "position": {
+          "line": 6,
+          "character": 28
+        }
+      }),
+    )
+    .unwrap();
+  assert!(maybe_err.is_none());
+  assert_eq!(
+    maybe_res,
+    Some(json!({
+      "contents": {
+        "kind": "markdown",
+        "value": "**Resolved Dependency**\n\n**Code**: file&#8203;:///a/file_01.ts\n"
+      },
+      "range": {
+        "start": {
+          "line": 6,
+          "character": 20
+        },
+        "end":{
+          "line": 6,
+          "character": 32
+        }
+      }
+    }))
+  );
+}
+
+#[test]
 fn lsp_call_hierarchy() {
   let mut client = init("initialize_params.json");
   did_open(