Add Parser.Builder

openrewrite · Sep 23, 2024 · 321b728 · 321b728
1 parent 63afefa
commit 321b728
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Showing 3 changed files with 17 additions and 4 deletions.
diff --git a/openrewrite/src/core/parser.ts b/openrewrite/src/core/parser.ts
@@ -109,7 +109,7 @@ export abstract class Parser {
 }
 
 export namespace Parser {
-    abstract class Builder {
+    export abstract class Builder {
         protected _sourceFileType: any;
 
         get sourceFileType(): any {
@@ -120,7 +120,7 @@ export namespace Parser {
     }
 }
 
-function requirePrintEqualsInput(
+export function requirePrintEqualsInput(
     parser: Parser,
     sourceFile: SourceFile,
     parserInput: ParserInput,

diff --git a/openrewrite/src/javascript/parser.ts b/openrewrite/src/javascript/parser.ts
@@ -6,6 +6,7 @@ import {Expression, JRightPadded, Space, Statement} from "../java/tree";
 import {Node} from "typescript";
 
 export class JavaScriptParser extends Parser {
+
     parseInputs(inputs: Iterable<ParserInput>, relativeTo: string | null, ctx: ExecutionContext): Iterable<SourceFile> {
         const inputsArray = Array.from(inputs);
         const compilerOptions: ts.CompilerOptions = {
@@ -69,6 +70,18 @@ export class JavaScriptParser extends Parser {
     sourcePathFromSourceText(prefix: string, sourceCode: string): string {
         return prefix + "/source.js";
     }
+
+    static builder(): JavaScriptParser.Builder {
+        return new JavaScriptParser.Builder();
+    }
+}
+
+export namespace JavaScriptParser {
+    export class Builder extends Parser.Builder {
+        build(): JavaScriptParser {
+            return new JavaScriptParser();
+        }
+    }
 }
 
 class ParserVisitor {

diff --git a/openrewrite/test/core/tree.test.ts b/openrewrite/test/core/tree.test.ts
@@ -19,13 +19,13 @@ describe('tree utils', () => {
     });
 
     test('parse', () => {
-        const parser = new JavaScriptParser();
+        const parser = JavaScriptParser.builder().build();
         const [sourceFile] = parser.parseInputs([new ParserInput('foo.ts', null, true, () => Buffer.from('1', 'utf8'))], null, new InMemoryExecutionContext());
         console.log(sourceFile);
     });
 
     test('parse strings', () => {
-        const parser = new JavaScriptParser();
+        const parser = JavaScriptParser.builder().build();
         const [sourceFile] = parser.parseStrings('const c = 1;');
         console.log(sourceFile);
     });