VariableDefinition type optional

README.md

@@ -123,7 +123,7 @@ console.log(codeAsString);
 
 ```ts
 /** generated by
- * - https://jsr.io/@narumincho/[email protected].1
+ * - https://jsr.io/@narumincho/[email protected].2
  * Do not edit!
  *
  * @module

collect.ts

@@ -548,20 +548,24 @@ const collectInStatement = (
         usedNameSet: new Set(),
       };
 
-    case "VariableDefinition":
-      return concatCollectData(
-        collectInExpr(
-          statement.variableDefinitionStatement.expr,
-          localVariableNameSetList,
-          typeParameterSetList,
-          rootScopeIdentifierSet,
-        ),
-        collectInType(
-          statement.variableDefinitionStatement.type,
-          rootScopeIdentifierSet,
-          typeParameterSetList,
-        ),
+    case "VariableDefinition": {
+      const exprCollectData = collectInExpr(
+        statement.variableDefinitionStatement.expr,
+        localVariableNameSetList,
+        typeParameterSetList,
+        rootScopeIdentifierSet,
       );
+      return statement.variableDefinitionStatement.type
+        ? concatCollectData(
+          exprCollectData,
+          collectInType(
+            statement.variableDefinitionStatement.type,
+            rootScopeIdentifierSet,
+            typeParameterSetList,
+          ),
+        )
+        : exprCollectData;
+    }
 
     case "FunctionDefinition": {
       const parameterNameSet = new Set(

data.ts

@@ -333,7 +333,7 @@ export type VariableDefinitionStatement = {
   /**
    * 変数の型
    */
-  readonly type: Type;
+  readonly type: Type | undefined;
   /**
    * 式
    */

deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@narumincho/js-ts-code-generator",
-  "version": "0.8.1",
+  "version": "0.8.2",
   "license": "MIT",
   "exports": {
     ".": "./mod.ts",

statement.ts

@@ -6,9 +6,9 @@ import type {
   IfStatement,
   SetStatement,
   Statement,
-  VariableDefinitionStatement,
+  Type,
 } from "./data.ts";
-import { identifierFromString } from "./identifier.ts";
+import { type Identifier, identifierFromString } from "./identifier.ts";
 import { callMethod } from "./expr.ts";
 
 /**
@@ -60,15 +60,50 @@ const statementIf = (ifStatement: IfStatement): Statement => ({
 
 export { statementIf as if };
 
+/**
+ * ローカル変数定義
+ */
+export type VariableDefinitionStatementInput = {
+  /**
+   * 変数名
+   */
+  readonly name: Identifier;
+  /**
+   * 変数の型
+   *
+   * @default {undefined}
+   */
+  readonly type?: Type | undefined;
+  /**
+   * 式
+   */
+  readonly expr: Expr;
+  /**
+   * constかどうか. falseはlet
+   *
+   * @default {true}
+   */
+  readonly isConst?: boolean;
+};
+
 /**
  * 変数定義文 `const name = expr;` または `let name = expr;`
- * @param variableDefinitionStatement 変数定義文のデータ
  */
 export const variableDefinition = (
-  variableDefinitionStatement: VariableDefinitionStatement,
+  {
+    name,
+    type = undefined,
+    expr,
+    isConst = true,
+  }: VariableDefinitionStatementInput,
 ): Statement => ({
   type: "VariableDefinition",
-  variableDefinitionStatement,
+  variableDefinitionStatement: {
+    name,
+    type,
+    expr,
+    isConst,
+  },
 });
 
 /**

test.ts

@@ -1065,7 +1065,7 @@ Deno.test("read me code", () => {
       codeType: "TypeScript",
     }),
     `/** generated by
- * - https://jsr.io/@narumincho/[email protected].1
+ * - https://jsr.io/@narumincho/[email protected].2
  * Do not edit!
  *
  * @module
@@ -1123,7 +1123,7 @@ Deno.test("import name", () => {
   assertEquals(
     codeAsString,
     `/** generated by
- * - https://jsr.io/@narumincho/[email protected].1
+ * - https://jsr.io/@narumincho/[email protected].2
  * Do not edit!
  *
  * @module

toString/statement.ts

@@ -138,10 +138,12 @@ const statementToString = (
         (statement.variableDefinitionStatement.isConst ? "const" : "let") +
         " " +
         statement.variableDefinitionStatement.name +
-        typeAnnotation(
-          statement.variableDefinitionStatement.type,
-          context,
-        ) +
+        (statement.variableDefinitionStatement.type
+          ? typeAnnotation(
+            statement.variableDefinitionStatement.type,
+            context,
+          )
+          : "") +
         " = " +
         exprToString(
           statement.variableDefinitionStatement.expr,