feat(oxlint): add cwd property to LintRunner (#7352)

allows to use multiple `LintRunner` in one file targeting multiple
directory.
The current problem is for the test in #7348 we can not change
`env::current_dir`,
so as a workaround I introduce a new property :) 

See more info here:
https://discord.com/channels/1079625926024900739/1117322804291964931/1308179827576016897

apps/oxlint/src/lint.rs

@@ -1,4 +1,4 @@
-use std::{env, io::BufWriter, time::Instant};
+use std::{env, io::BufWriter, path::PathBuf, time::Instant};
 
 use ignore::gitignore::Gitignore;
 use oxc_diagnostics::{DiagnosticService, GraphicalReportHandler};
@@ -18,13 +18,14 @@ use crate::{
 
 pub struct LintRunner {
     options: LintCommand,
+    cwd: PathBuf,
 }
 
 impl Runner for LintRunner {
     type Options = LintCommand;
 
     fn new(options: Self::Options) -> Self {
-        Self { options }
+        Self { options, cwd: env::current_dir().expect("Failed to get current working directory") }
     }
 
     fn run(self) -> CliRunResult {
@@ -51,6 +52,16 @@ impl Runner for LintRunner {
         let provided_path_count = paths.len();
         let now = Instant::now();
 
+        // append cwd to all paths
+        paths = paths
+            .into_iter()
+            .map(|x| {
+                let mut path_with_cwd = self.cwd.clone();
+                path_with_cwd.push(x);
+                path_with_cwd
+            })
+            .collect();
+
         // The ignore crate whitelists explicit paths, but priority
         // should be given to the ignore file. Many users lint
         // automatically and pass a list of changed files explicitly.
@@ -72,13 +83,7 @@ impl Runner for LintRunner {
                 });
             }
 
-            if let Ok(cwd) = env::current_dir() {
-                paths.push(cwd);
-            } else {
-                return CliRunResult::InvalidOptions {
-                    message: "Failed to get current working directory.".to_string(),
-                };
-            }
+            paths.push(self.cwd.clone());
         }
 
         let filter = match Self::get_filters(filter) {
@@ -97,8 +102,6 @@ impl Runner for LintRunner {
 
         let number_of_files = paths.len();
 
-        let cwd = std::env::current_dir().unwrap();
-
         let mut oxlintrc = if let Some(config_path) = basic_options.config.as_ref() {
             match Oxlintrc::from_file(config_path) {
                 Ok(config) => config,
@@ -129,8 +132,9 @@ impl Runner for LintRunner {
             };
         }
 
-        let mut options =
-            LintServiceOptions::new(cwd, paths).with_cross_module(builder.plugins().has_import());
+        let mut options = LintServiceOptions::new(self.cwd, paths)
+            .with_cross_module(builder.plugins().has_import());
+
         let linter = builder.build();
 
         let tsconfig = basic_options.tsconfig;
@@ -175,6 +179,12 @@ impl Runner for LintRunner {
 }
 
 impl LintRunner {
+    #[must_use]
+    pub fn with_cwd(mut self, cwd: PathBuf) -> Self {
+        self.cwd = cwd;
+        self
+    }
+
     fn get_diagnostic_service(
         warning_options: &WarningOptions,
         output_options: &OutputOptions,
@@ -235,6 +245,8 @@ impl LintRunner {
 
 #[cfg(all(test, not(target_os = "windows")))]
 mod test {
+    use std::env;
+
     use super::LintRunner;
     use crate::cli::{lint_command, CliRunResult, LintResult, Runner};
 
@@ -248,6 +260,20 @@ mod test {
         }
     }
 
+    fn test_with_cwd(cwd: &str, args: &[&str]) -> LintResult {
+        let mut new_args = vec!["--silent"];
+        new_args.extend(args);
+        let options = lint_command().run_inner(new_args.as_slice()).unwrap();
+
+        let mut current_cwd = env::current_dir().unwrap();
+        current_cwd.push(cwd);
+
+        match LintRunner::new(options).with_cwd(current_cwd).run() {
+            CliRunResult::LintResult(lint_result) => lint_result,
+            other => panic!("{other:?}"),
+        }
+    }
+
     fn test_invalid_options(args: &[&str]) -> String {
         let mut new_args = vec!["--quiet"];
         new_args.extend(args);
@@ -279,6 +305,16 @@ mod test {
         assert_eq!(result.number_of_errors, 0);
     }
 
+    #[test]
+    fn cwd() {
+        let args = &["debugger.js"];
+        let result = test_with_cwd("fixtures/linter", args);
+        assert!(result.number_of_rules > 0);
+        assert_eq!(result.number_of_files, 1);
+        assert_eq!(result.number_of_warnings, 1);
+        assert_eq!(result.number_of_errors, 0);
+    }
+
     #[test]
     fn file() {
         let args = &["fixtures/linter/debugger.js"];

tasks/website/src/linter/snapshots/cli.snap

@@ -1,6 +1,7 @@
 ---
 source: tasks/website/src/linter/cli.rs
 expression: snapshot
+snapshot_kind: text
 ---
 ## Usage
  **`oxlint`** \[**`-c`**=_`<./oxlintrc.json>`_\] \[_`PATH`_\]...

tasks/website/src/linter/snapshots/cli_terminal.snap

@@ -1,6 +1,7 @@
 ---
 source: tasks/website/src/linter/cli.rs
 expression: snapshot
+snapshot_kind: text
 ---
 Usage: [-c=<./oxlintrc.json>] [PATH]...