release 0.2.2

1. use config file in ts;
2. fix crash when dsl is empty

package.json

@@ -1,6 +1,6 @@
 {
     "name": "typedraft",
-    "version": "0.2.0",
+    "version": "0.2.2",
     "description": "TypeDraft is a superset of typescript with built-in support for DSL extension and literate programming.",
     "keywords": [
         "literate programming",
@@ -69,7 +69,7 @@
         "pretty-quick": "^2.0.1",
         "ts-jest": "^24.0.2",
         "ts-node": "^8.3.0",
-        "typedraft": "0.2.0"
+        "typedraft": "0.2.2"
     },
     "husky": {
         "hooks": {

src/plug-in/draft-plugin-dsl.tsx

@@ -13,8 +13,15 @@ export class DSLPlugin {
 
 <DSLPlugin /> +
     function Transcribe(this: DSLPlugin) {
-        const ResolveDSL = (context: InlineContext | LocalContext) =>
-            context.Resolve(this.m_Transcriber.GetDSL(context.GetDSLName()));
+        const ResolveDSL = (context: InlineContext | LocalContext) => {
+            const dsl = this.m_Transcriber.GetDSL(context.GetDSLName());
+            /**
+             * DSL name can be "" in local context, then dsl will be undefined
+             */
+            if (dsl) {
+                context.Resolve(dsl);
+            }
+        };
         this.m_Transcriber.TraverseInlineContext(ResolveDSL);
         this.m_Transcriber.TraverseLocalContext(ResolveDSL);
     };

test/plug-in/__snapshots__/dsl.test.ts.snap

@@ -38,6 +38,12 @@ exports[`nested dsl 1`] = `
 }"
 `;
 
+exports[`no dsl 1`] = `
+"export function Main() {
+  console.log(\\"previous\\");
+}"
+`;
+
 exports[`simple 1`] = `
 "export function Main() {
   console.log(\\"current\\");

test/plug-in/dsl.test.ts

@@ -43,6 +43,22 @@ test("simple", () => {
     expect(result).toMatchSnapshot();
 });
 
+test("no dsl", () => {
+    //
+    const code = `
+        export function Main(){
+            <Test/>;
+        }
+
+        function Test(){
+            console.log("previous");
+        }
+    `;
+    const transcriber = MakeDefaultTranscriber(code);
+    const result = transcriber.Transcribe();
+    expect(result).toMatchSnapshot();
+});
+
 /**
  * <TestLog/> is not used as local context, but after DSL "match" resolved,
  * it will be used as local context,

typedraft.config.ts

@@ -0,0 +1,5 @@
+import { PatternMatch } from "draft-dsl-match";
+
+export default {
+    DSLs: [{ name: "match", dsl: () => new PatternMatch(true) }],
+};