feat: add resolve_file API for tsconfig auto discovery to work

[Boshen]

Add a new API to make tsconfig paths work with the auto-discovered tsconfig.

    /// Resolve `specifier` for an absolute path to a file.
    ///
    /// NOTE: [TsconfigDiscovery::Auto] only work for this API, use `ResolverGeneric::resolve_file` instead.
    ///
    /// # Errors
    ///
    /// * See [ResolveError]
    ///
    /// # Panics
    ///
    /// * If the provided path is not a file.
    pub fn resolve_file<P: AsRef<Path>>(
        &self,
        file: P,
        specifier: &str,
    ) -> Result<Resolution, ResolveError> {

---

New concept:

Given an input file:

• There is always a tsconfig associated with this file, we call it the resolved tsconfig, or tsconfig solution (in tsconfck)
• When resolving path aliases, always use the resolved tsconfig.

[Boshen]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• feat: add resolve_file API for tsconfig auto discovery to work #860 👈 (View in Graphite)
• feat: port tsconfck (find tsconfig files) #854
• main

---

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[codecov]

Codecov Report

❌ Patch coverage is 98.54369% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.29%. Comparing base (62c4497) to head (8643c91).

Files with missing lines	Patch %	Lines
src/tsconfig_resolver.rs	95.91%	2 Missing ⚠️
src/lib.rs	99.36%	1 Missing ⚠️

Additional details and impacted files

@@                     Coverage Diff                      @@
##           11-18-feat_port_tsconfck     #860      +/-   ##
============================================================
+ Coverage                     94.14%   94.29%   +0.14%     
============================================================
  Files                            17       17              
  Lines                          3092     3208     +116     
============================================================
+ Hits                           2911     3025     +114     
- Misses                          181      183       +2     

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[codspeed-hq]

CodSpeed Performance Report

Merging #860 will improve performances by 10.26%

_{Comparing 11-22-feat_add_resolve_file_api_for_tsconfig_auto_discovery_to_work (d651d00) with 11-18-feat_port_tsconfck (62c4497)}

Summary

⚡ 1 improvement
✅ 11 untouched
⏩ 5 skipped¹

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	resolver_memory[find tsconfig]	15.4 µs	13.9 µs	+10.26%

Footnotes

1. 5 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[shulaoda]

When tsconfig is set to None, we shouldn’t attempt to look for a tsconfig file.

[shulaoda]

In auto mode, the tsconfig may include references, so tsconfig.resolve ends up resolving the paths from those referenced configs too.

oxc-resolver/src/tsconfig.rs

Lines 354 to 362 in 39ca611

	pub(crate) fn resolve(&self, path: &Path, specifier: &str) -> Vec<PathBuf> {
	let paths = self.resolve_path_alias(specifier);
	for tsconfig in &self.references_resolved {
	if path.starts_with(tsconfig.base_path()) {
	return [tsconfig.resolve_path_alias(specifier), paths].concat();
	}
	}
	paths
	}