feat: add loadPackage node.js API

Signed-off-by: peefy <[email protected]>

Author: Peefy

blog/2024-04-17-newsletter/index.md

@@ -64,7 +64,7 @@ content = template.execute("""\
 cargo add --git https://github.com/kcl-lang/lib
 ```
 
-- The initial release of the KCL Node.js SDK, supporting KCL code execution API and variable reading API. Repository link: [https://github.com/kcl-lang/lib/tree/main/nodejs](https://github.com/kcl-lang/lib/tree/main/nodejs). Contributions are welcome.
+- The initial release of the KCL Node.js SDK. Repository link: [https://github.com/kcl-lang/lib/tree/main/nodejs](https://github.com/kcl-lang/lib/tree/main/nodejs). Contributions are welcome.
 
 + `__test__/test_data/schema.k`
 
@@ -103,6 +103,19 @@ function main() {
 main();
 ```
 
++ `loadPackage`
+
+```ts
+import { listVariables, ListVariablesArgs } from "kcl-lib";
+
+function main() {
+  const result = loadPackage(LoadPackageArgs(['__test__/test_data/schema.k'], [], true));
+  console.log(result.symbols);
+}
+
+main();
+```
+
 **💻 IDE Updates**
 
 - Added compilation unit caching to enhance IDE performance.

i18n/zh-CN/docusaurus-plugin-content-blog/2024-04-17-newsletter/index.md

@@ -64,7 +64,7 @@ content = template.execute("""\
 cargo add --git https://github.com/kcl-lang/lib
 ```
 
-- KCL Node.js SDK 初版发布，支持 KCL 代码运行 API 和变量读取 API，仓库地址 [https://github.com/kcl-lang/lib/tree/main/nodejs](https://github.com/kcl-lang/lib/tree/main/nodejs), 欢迎共建
+- KCL Node.js SDK 初版发布，仓库地址 [https://github.com/kcl-lang/lib/tree/main/nodejs](https://github.com/kcl-lang/lib/tree/main/nodejs), 欢迎共建
 
 + `__test__/test_data/schema.k`
 
@@ -103,6 +103,19 @@ function main() {
 main();
 ```
 
++ `execProgram`
+
+```ts
+import { listVariables, ListVariablesArgs } from "kcl-lib";
+
+function main() {
+  const result = loadPackage(LoadPackageArgs(['__test__/test_data/schema.k'], [], true));
+  console.log(result.symbols);
+}
+
+main();
+```
+
 **💻 IDE 更新**
 
 - 新增编译单元缓存提升 IDE 性能