fix: Only warn on missing vite-config and improve warning message

src/getViteConfigPath.test.ts

@@ -23,10 +23,10 @@ describe("getViteConfigPath", () => {
     );
   });
 
-  it("rejects if config file can not be found", async (): Promise<void> => {
-    vi.spyOn(core, 'setFailed').mockImplementationOnce(() => { })
+  it("returns null if config file can not be found", async (): Promise<void> => {
+    vi.spyOn(core, 'warning').mockImplementationOnce(() => { })
     await expect(
       getViteConfigPath(mockWorkingDirectory, "doesNotExist")
-    ).rejects.toThrow(/unable to find config file/i);
+    ).resolves.toBeNull();
   });
 });

src/getViteConfigPath.ts

@@ -34,16 +34,17 @@ const getViteConfigPath = async (workingDirectory: string, input: string) => {
 
     return await testFilePath(workingDirectory, input);
   } catch (error) {
-    core.setFailed(stripIndent`
-          Failed to read vite config file"${workingDirectory}/${input}" or any of the default locations.
+    const searchPath = input ? 
+      `"${workingDirectory}/${input}"` : 
+      `any default location in "${workingDirectory}"`;
+
+    core.warning(stripIndent`
+          Failed to read vite config file at ${searchPath}. 
           Make sure you provide the vite-config-path option if you're using a non-default location or name of your config file.
+
+          Will not include thresholds in the final report.
       `);
-    throw new Error(
-      `Unable to find config file "${workingDirectory}/${input}".`,
-      {
-        cause: error,
-      }
-    );
+    return null;
   }
 };
 

src/index.ts

@@ -20,7 +20,6 @@ const run = async () => {
 		workingDirectory
 	} = await readOptions();
 
-
 	const jsonSummary = await parseVitestJsonSummary(jsonSummaryPath);
 	const tableData = generateSummaryTableHtml(jsonSummary.total, thresholds);
 	const summary = core.summary
@@ -78,4 +77,4 @@ run().then(() => {
 	core.info('Report generated successfully.');
 }).catch((err) => {
 	core.error(err);
-});
+});

src/options.ts

@@ -12,12 +12,13 @@ async function readOptions() {
 	const fileCoverageMode = getCoverageModeFrom(fileCoverageModeRaw);
 
 	const jsonSummaryPath = path.resolve(workingDirectory, core.getInput('json-summary-path'));
-	const viteConfigPath = await getViteConfigPath(workingDirectory, core.getInput("vite-config-path"));
-
-	const thresholds = await parseCoverageThresholds(viteConfigPath);
-
 	const jsonFinalPath = path.resolve(workingDirectory, core.getInput('json-final-path'));
+
 	const name = core.getInput('name');
+
+  // ViteConfig is optional, as it is only required for thresholds. If no vite config is provided, we will not include thresholds in the final report.
+	const viteConfigPath = await getViteConfigPath(workingDirectory, core.getInput("vite-config-path"));
+	const thresholds = viteConfigPath ? await parseCoverageThresholds(viteConfigPath) : {};
 
 	return {
 		fileCoverageMode,
@@ -31,4 +32,4 @@ async function readOptions() {
 
 export {
 	readOptions
-}
+}