use parseCandidateStrings directly (#11332)

+ drop the `parseCandidateStringsFromFiles` since this can be
  implemented using `parseCandidateStrings` already.

oxide/crates/core/Cargo.toml

@@ -24,5 +24,5 @@ name = "parse_candidates"
 harness = false
 
 [[bench]]
-name = "parse_candidate_strings_from_files"
+name = "parse_candidate_strings"
 harness = false

oxide/crates/core/benches/parse_candidate_strings.rs

@@ -1,6 +1,6 @@
 use criterion::{criterion_group, criterion_main, Criterion};
 use std::path::PathBuf;
-use tailwindcss_core::{parse_candidate_strings_from_files, ChangedContent};
+use tailwindcss_core::{parse_candidate_strings, ChangedContent, Parsing, IO};
 
 pub fn criterion_benchmark(c: &mut Criterion) {
     // current_dir will be set to ./crates/core
@@ -51,8 +51,13 @@ pub fn criterion_benchmark(c: &mut Criterion) {
         })
         .collect();
 
-    c.bench_function("parse_candidate_strings_from_files", |b| {
-        b.iter(|| parse_candidate_strings_from_files(changed_content.clone()))
+    c.bench_function("parse_candidate_strings", |b| {
+        b.iter(|| {
+            parse_candidate_strings(
+                changed_content.clone(),
+                Parsing::Parallel as u8 | IO::Parallel as u8,
+            )
+        })
     });
 }
 

oxide/crates/core/src/lib.rs

@@ -335,11 +335,6 @@ impl From<u8> for Parsing {
     }
 }
 
-pub fn parse_candidate_strings_from_files(changed_content: Vec<ChangedContent>) -> Vec<String> {
-    init_tracing();
-    parse_all_blobs(read_all_files(changed_content))
-}
-
 pub fn parse_candidate_strings(input: Vec<ChangedContent>, options: u8) -> Vec<String> {
     init_tracing();
 

oxide/crates/node/src/lib.rs

@@ -22,13 +22,6 @@ impl From<ChangedContent> for tailwindcss_core::ChangedContent {
   }
 }
 
-#[napi]
-pub fn parse_candidate_strings_from_files(changed_content: Vec<ChangedContent>) -> Vec<String> {
-  tailwindcss_core::parse_candidate_strings_from_files(
-    changed_content.into_iter().map(Into::into).collect(),
-  )
-}
-
 #[derive(Debug, Clone)]
 #[napi(object)]
 pub struct ContentPathInfo {

src/lib/expandTailwindAtRules.js

@@ -1,6 +1,6 @@
 import fs from 'fs'
 import LRU from '@alloc/quick-lru'
-import { parseCandidateStringsFromFiles } from '@tailwindcss/oxide'
+import { parseCandidateStrings, IO, Parsing } from '@tailwindcss/oxide'
 import * as sharedState from './sharedState'
 import { generateRules } from './generateRules'
 import log from '../util/log'
@@ -134,8 +134,9 @@ export default function expandTailwindAtRules(context) {
 
     if (flagEnabled(context.tailwindConfig, 'oxideParser')) {
       // TODO: Pass through or implement `extractor`
-      for (let candidate of parseCandidateStringsFromFiles(
-        context.changedContent
+      for (let candidate of parseCandidateStrings(
+        context.changedContent,
+        IO.Parallel | Parsing.Parallel
         // Object.assign({}, builtInTransformers, context.tailwindConfig.content.transform)
       )) {
         candidates.add(candidate)