fix: start watcher with basePath (#39)

Co-authored-by: Anthony Fu <anthonyfu117@hotmail.com>

src/configs.ts

@@ -8,7 +8,21 @@ import type { FlatConfigItem, MatchedFile, Payload, RuleInfo } from '../shared/t
 import { isIgnoreOnlyConfig, matchFile } from '../shared/configs'
 import { MARK_CHECK, MARK_INFO, configFilenames } from './constants'
 
-export interface ReadConfigOptions {
+export interface ReadConfigOptions extends ResolveConfigPathOptions {
+  /**
+   * Glob file paths matched by the configs
+   *
+   * @default true
+   */
+  globMatchedFiles?: boolean
+  /**
+   * Change current working directory to basePath
+   * @default true
+   */
+  chdir?: boolean
+}
+
+export interface ResolveConfigPathOptions {
   /**
    * Current working directory
    */
@@ -22,36 +36,20 @@ export interface ReadConfigOptions {
    * Override base path. When not provided, will use directory of discovered config file.
    */
   userBasePath?: string
-  /**
-   * Glob file paths matched by the configs
-   *
-   * @default true
-   */
-  globMatchedFiles?: boolean
-  /**
-   * Change current working directory to basePath
-   * @default true
-   */
-  chdir?: boolean
 }
 
 /**
- * Search and read the ESLint config file, processed into inspector payload with module dependencies
- *
- * Accpet an options object to specify the working directory path and overrides.
+ * Search and read the ESLint config file.
  *
- * It uses `bundle-requires` load the config file and find it's dependencies.
- * It always get the latest version of the config file (no ESM cache).
+ * Accept an options object to specify the working directory path and overrides.
  */
-export async function readConfig(
-  {
+export async function resolveConfigPath(options: ResolveConfigPathOptions) {
+  let {
     cwd,
     userConfigPath,
     userBasePath,
-    chdir = true,
-    globMatchedFiles: globFiles = true,
-  }: ReadConfigOptions,
-): Promise<{ configs: FlatConfigItem[], payload: Payload, dependencies: string[] }> {
+  } = options
+
   if (userBasePath)
     userBasePath = resolve(cwd, userBasePath)
 
@@ -67,7 +65,29 @@ export async function readConfig(
       ? cwd // When user explicit provide config path, use current working directory as root
       : dirname(configPath) // Otherwise, use config file's directory as root
   )
+  return {
+    basePath,
+    configPath,
+  }
+}
+
+/**
+ * Search and read the ESLint config file, processed into inspector payload with module dependencies
+ *
+ * Accept an options object to specify the working directory path and overrides.
+ *
+ * It uses `bundle-requires` load the config file and find it's dependencies.
+ * It always get the latest version of the config file (no ESM cache).
+ */
+export async function readConfig(
+  options: ReadConfigOptions,
+): Promise<{ configs: FlatConfigItem[], payload: Payload, dependencies: string[] }> {
+  const {
+    chdir = true,
+    globMatchedFiles: globFiles = true,
+  } = options
 
+  const { basePath, configPath } = await resolveConfigPath(options)
   if (chdir && basePath !== process.cwd())
     process.chdir(basePath)
 

src/ws.ts

@@ -2,7 +2,8 @@ import chokidar from 'chokidar'
 import type { WebSocket } from 'ws'
 import { WebSocketServer } from 'ws'
 import { getPort } from 'get-port-please'
-import { type ReadConfigOptions, readConfig } from './configs'
+import type { ReadConfigOptions } from './configs'
+import { readConfig, resolveConfigPath } from './configs'
 import { MARK_CHECK } from './constants'
 import type { Payload } from '~~/shared/types'
 
@@ -26,9 +27,10 @@ export async function createWsServer(options: CreateWsServerOptions) {
     ws.on('close', () => wsClients.delete(ws))
   })
 
+  const { basePath } = await resolveConfigPath(options)
   const watcher = chokidar.watch([], {
     ignoreInitial: true,
-    cwd: options.cwd,
+    cwd: basePath,
     disableGlobbing: true,
   })