feat: allowing decorators (#78)

* feat: allowing decorators

* test: adding a decorator test

Author: JasonShin

src/parser/mod.rs

@@ -14,6 +14,7 @@ use swc_common::{
     FileName, MultiSpan, SourceMap,
 };
 use swc_ecma_ast::{ClassMember, Decl, Key, ModuleDecl, ModuleItem, Stmt};
+use swc_ecma_parser::TsConfig;
 use swc_ecma_parser::{lexer::Lexer, Parser, Syntax};
 use tag::{get_sql_from_expr, get_sql_from_var_decl};
 
@@ -243,8 +244,15 @@ pub fn parse_source(path: &PathBuf) -> Result<(HashMap<PathBuf, Vec<SQL>>, Handl
 
     let file_path = path.as_os_str().to_str().unwrap().to_string();
     let fm = cm.new_source_file(FileName::Custom(file_path), contents);
+    let ts_config: TsConfig = TsConfig {
+        tsx: false,
+        decorators: true,
+        dts: false,
+        no_early_errors: false,
+        disallow_ambiguous_jsx_like: false
+    };
     let lexer = Lexer::new(
-        Syntax::Typescript(Default::default()),
+        Syntax::Typescript(ts_config),
         Default::default(),
         StringInput::from(&*fm),
         None,

tests/demo/typescript/decorators.queries.ts

@@ -0,0 +1,15 @@
+
+
+export type DecoQueryParams = [];
+
+
+export interface IDecoQueryResult {
+    id: number;
+};
+
+
+export interface IDecoQueryQuery {
+    params: DecoQueryParams;
+    result: IDecoQueryResult;
+};
+

tests/demo/typescript/decorators.snapshot.ts

@@ -0,0 +1,16 @@
+
+
+export type DecoQueryParams = [];
+
+
+export interface IDecoQueryResult {
+    id: number;
+};
+
+
+export interface IDecoQueryQuery {
+    params: DecoQueryParams;
+    result: IDecoQueryResult;
+};
+
+

tests/demo/typescript/decorators.ts

@@ -0,0 +1,15 @@
+import { sql } from 'sqlx-ts'
+
+function SomeDeco(target: typeof DecoClass, context): typeof DecoClass {
+    console.log('target', target)
+    console.log('context', context)
+    return target
+}
+
+@SomeDeco
+class DecoClass {
+    constructor() {
+        console.log('class test')
+        const decoQuery = sql`SELECT id FROM items`
+    }
+}