fix: specify full path to the files for eslint

Author: mdevils

src/cli/index.ts

@@ -66,15 +66,16 @@ yargs(hideBin(process.argv))
                 switch (generateConfig.type) {
                     case 'openapiClient':
                         const document = await loadOpenApiDocument(generateConfig.document);
-                        const files = await postprocessFiles(
-                            (
+                        const files = await postprocessFiles({
+                            files: (
                                 await openapiToTypescriptClient({
                                     document,
                                     generateConfig
                                 })
                             ).files,
-                            generateConfig.postprocess
-                        );
+                            config: generateConfig.postprocess,
+                            outputDirPath: generateConfig.outputDirPath
+                        });
                         const allDirectories = new Set<string>();
                         for (const {filename} of files) {
                             allDirectories.add(path.dirname(path.resolve(generateConfig.outputDirPath, filename)));
@@ -109,15 +110,16 @@ yargs(hideBin(process.argv))
                     case 'openapiClient':
                         if (
                             !(await compareGenerationResult({
-                                files: await postprocessFiles(
-                                    (
+                                files: await postprocessFiles({
+                                    files: (
                                         await openapiToTypescriptClient({
                                             document: await loadOpenApiDocument(generateConfig.document),
                                             generateConfig
                                         })
                                     ).files,
-                                    generateConfig.postprocess
-                                ),
+                                    config: generateConfig.postprocess,
+                                    outputDirPath: generateConfig.outputDirPath
+                                }),
                                 outputDirPath: generateConfig.outputDirPath,
                                 cleanupDirectories: getCleanupDirectories(generateConfig)
                             }))

src/utils/postprocess-files.ts

@@ -1,13 +1,19 @@
+import path from 'path';
 import type {ESLint as ESLintClass} from 'eslint';
 import {
     ClientGenerationResultFile,
     CommonOpenApiClientGeneratorConfigPostprocess
 } from '../schema-to-typescript/config';
 
-export async function postprocessFiles(
-    files: ClientGenerationResultFile[],
-    {eslint: enableEslint}: CommonOpenApiClientGeneratorConfigPostprocess = {}
-): Promise<ClientGenerationResultFile[]> {
+export async function postprocessFiles({
+    files,
+    config: {eslint: enableEslint} = {},
+    outputDirPath
+}: {
+    files: ClientGenerationResultFile[];
+    config?: CommonOpenApiClientGeneratorConfigPostprocess;
+    outputDirPath: string;
+}): Promise<ClientGenerationResultFile[]> {
     if (enableEslint) {
         // This is an optional dependency, so we require it here to avoid loading it when it's not needed.
         // eslint-disable-next-line @typescript-eslint/no-var-requires
@@ -18,7 +24,9 @@ export async function postprocessFiles(
 
         return Promise.all(
             files.map(async (file) => {
-                const [result] = await eslint.lintText(file.data, {filePath: file.filename});
+                const [result] = await eslint.lintText(file.data, {
+                    filePath: path.resolve(outputDirPath, file.filename)
+                });
                 return {
                     ...file,
                     data: result.output ?? file.data