test: reuse similar logic

tests/fixtures.test.ts

@@ -1,39 +1,41 @@
 import fg from "fast-glob";
+import fs from "node:fs"
 import fsp from "node:fs/promises";
 import path from "node:path";
 import ComponentParser from "../src/ComponentParser";
 import Writer from "../src/writer/Writer";
 import { writeTsDefinition } from "../src/writer/writer-ts-definitions";
 
 const folder = path.join(process.cwd(), "tests", "fixtures");
-
 const svelteFiles = fg.sync(["**/*.svelte"], { cwd: folder });
-const fixtures = await Promise.all(
-  svelteFiles.map(async (file) => {
-    return {
-      path: file,
-      source: await fsp.readFile(path.join(folder, file), "utf-8"),
-    };
-  })
-);
-
-const createMetadata = (filePath: string) => {
-  const { dir } = path.parse(filePath);
+const fixtures = svelteFiles.map((file) => {
+  return {
+    path: file,
+    source: fs.readFileSync(path.join(folder, file), "utf-8"),
+  };
+});
+
+const parser = new ComponentParser();
+const writer = new Writer({ parser: "typescript", printWidth: 120 });
+
+const getMetadata = (fixture: (typeof fixtures)[0]) => {
+  const { dir } = path.parse(fixture.path);
   const moduleName = dir
     .split("-")
     .map((s) => s.charAt(0).toUpperCase() + s.slice(1))
     .join("");
+  const metadata = { moduleName, filePath: fixture.path };
+  const parsed_component = parser.parseSvelteComponent(fixture.source, {
+    filePath: fixture.path,
+    moduleName,
+  });
 
-  return { dir, moduleName, filePath };
+  return { dir, metadata, parsed_component };
 };
 
-const parser = new ComponentParser();
-const writer = new Writer({ parser: "typescript", printWidth: 120 });
-
 describe("fixtures (JSON)", async () => {
   test.concurrent.each(fixtures)("$path", async (fixture) => {
-    const { dir, ...metadata } = createMetadata(fixture.path);
-    const parsed_component = parser.parseSvelteComponent(fixture.source, metadata);
+    const { dir, parsed_component } = getMetadata(fixture);
     const api_json = JSON.stringify(parsed_component, null, 2);
 
     // Snapshot the output; if the test fails, output has changed.
@@ -46,8 +48,7 @@ describe("fixtures (JSON)", async () => {
 
 describe("fixtures (TypeScript)", async () => {
   test.concurrent.each(fixtures)("$path", async (fixture) => {
-    const { dir, ...metadata } = createMetadata(fixture.path);
-    const parsed_component = parser.parseSvelteComponent(fixture.source, metadata);
+    const { dir, metadata, parsed_component } = getMetadata(fixture);
     const api_ts = writer.format(writeTsDefinition({ ...metadata, ...parsed_component }));
 
     // Snapshot the output; if the test fails, output has changed.