Update preprocess to prettier spec

Author: RobbieTheWagner

src/parse/index.ts

@@ -12,7 +12,7 @@ import { parsers as babelParsers } from 'prettier/plugins/babel.js';
 import { PRINTER_NAME } from '../config.js';
 import type { Options } from '../options.js';
 import { assert } from '../utils/assert.js';
-import { preprocess, type Template } from './preprocess.js';
+import { codeToGlimmerAst, preprocess, type Template } from './preprocess.js';
 
 const typescript = babelParsers['babel-ts'] as Parser<Node | undefined>;
 
@@ -95,12 +95,13 @@ export const parser: Parser<Node | undefined> = {
   astFormat: PRINTER_NAME,
 
   async parse(code: string, options: Options): Promise<Node> {
-    const preprocessed = preprocess(code, options.filepath);
-
-    const ast = await typescript.parse(preprocessed.code, options);
+    const ast = await typescript.parse(code, options);
+    const templates = codeToGlimmerAst(code, options.filepath);
     assert('expected ast', ast);
-    convertAst(ast as File, preprocessed.templates);
+    convertAst(ast as File, templates);
 
     return ast;
   },
+
+  preprocess,
 };

src/parse/preprocess.ts

@@ -1,3 +1,4 @@
+import type { Options } from '../options.js';
 import {
   getBuffer,
   parse,
@@ -91,18 +92,12 @@ export function codeToGlimmerAst(code: string, filename: string): Template[] {
  * fixing the offsets and locations of all nodes also calculates the block
  * params locations & ranges and adding it to the info
  */
-export function preprocess(
-  code: string,
-  fileName: string,
-): {
-  code: string;
-  templates: Template[];
-} {
-  const templates = codeToGlimmerAst(code, fileName);
+export function preprocess(code: string, options: Options): string {
+  const templates = codeToGlimmerAst(code, options.filepath);
 
   for (const template of templates) {
     code = preprocessTemplateRange(template, code);
   }
 
-  return { code, templates };
+  return code;
 }