feat: Add "deno doc" subcommand (#4500)

1 files changed, 25 insertions, 0 deletions

diff --git a/cli/doc/type_alias.rs b/cli/doc/type_alias.rs
new file mode 100644
index 000000000..3740aee84
--- /dev/null
+++ b/cli/doc/type_alias.rs
@@ -0,0 +1,25 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+use serde::Serialize;
+use swc_ecma_ast;
+
+use super::parser::DocParser;
+use super::ts_type::TsTypeDef;
+
+#[derive(Debug, Serialize, Clone)]
+#[serde(rename_all = "camelCase")]
+pub struct TypeAliasDef {
+  pub ts_type: TsTypeDef,
+  // TODO: type_params
+}
+
+pub fn get_doc_for_ts_type_alias_decl(
+  _doc_parser: &DocParser,
+  type_alias_decl: &swc_ecma_ast::TsTypeAliasDecl,
+) -> (String, TypeAliasDef) {
+  let alias_name = type_alias_decl.id.sym.to_string();
+  let ts_type = type_alias_decl.type_ann.as_ref().into();
+
+  let type_alias_def = TypeAliasDef { ts_type };
+
+  (alias_name, type_alias_def)
+}