chore: trim runtime dependencies — remove enhanced-resolve/semver, swap micromatch → picomatch

package.json

@@ -54,16 +54,13 @@
   "homepage": "https://github.com/TypeStrong/ts-loader",
   "dependencies": {
     "chalk": "^4.1.0",
-    "enhanced-resolve": "^5.0.0",
-    "micromatch": "^4.0.0",
-    "semver": "^7.3.4",
+    "picomatch": "^4.0.0",
     "source-map": "^0.7.4"
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",
-    "@types/micromatch": "^4.0.0",
     "@types/node": "*",
-    "@types/semver": "^7.3.4",
+    "@types/picomatch": "^4.0.0",
     "babel": "^6.0.0",
     "babel-core": "^6.0.0",
     "babel-loader": "^7.0.0",

src/compilerSetup.ts

@@ -1,9 +1,25 @@
-import * as semver from 'semver';
 import type typescript from 'typescript';
 
 import type { LoaderOptions } from './interfaces';
 import type * as logger from './logger';
 
+/**
+ * Compare two semver-formatted version strings.
+ * Returns true if v1 >= v2.
+ */
+function versionGte(v1: string, v2: string): boolean {
+  const parts1 = v1.split('.').map(Number);
+  const parts2 = v2.split('.').map(Number);
+  const len = Math.max(parts1.length, parts2.length);
+  for (let i = 0; i < len; i++) {
+    const a = parts1[i] ?? 0;
+    const b = parts2[i] ?? 0;
+    if (a > b) return true;
+    if (a < b) return false;
+  }
+  return true;
+}
+
 export function getCompiler(loaderOptions: LoaderOptions, log: logger.Logger) {
   let compiler: typeof typescript | undefined;
   let errorMessage: string | undefined;
@@ -27,7 +43,7 @@ export function getCompiler(loaderOptions: LoaderOptions, log: logger.Logger) {
     if (loaderOptions.compiler === 'typescript') {
       if (
         compiler!.version !== undefined &&
-        semver.gte(compiler!.version, '3.6.3')
+        versionGte(compiler!.version, '3.6.3')
       ) {
         // don't log yet in this case, if a tsconfig.json exists we want to combine the message
         compilerCompatible = true;

src/resolver.ts

@@ -1,7 +1,5 @@
 import type * as webpack from 'webpack';
 
-import { create as _create } from 'enhanced-resolve';
-
 export function makeResolver(
   _options: webpack.WebpackOptionsNormalized
 ): ResolveSync {

src/utils.ts

@@ -1,6 +1,6 @@
 import type { Chalk } from 'chalk';
 import * as fs from 'fs';
-import micromatch from 'micromatch';
+import picomatch from 'picomatch';
 import * as path from 'path';
 import * as webpack from 'webpack';
 import type typescript from 'typescript';
@@ -65,11 +65,20 @@ export function formatErrors(
               context,
               diagnostic.file.fileName
             );
-            const matchResult = micromatch(
-              [relativeFileName],
-              loaderOptions.reportFiles
+            // Split positive and negative patterns to replicate micromatch semantics:
+            // a file must match a positive pattern AND not match any negative pattern.
+            const positivePatterns = loaderOptions.reportFiles.filter(
+              p => !p.startsWith('!')
             );
-            if (matchResult.length === 0) {
+            const negativePatterns = loaderOptions.reportFiles
+              .filter(p => p.startsWith('!'))
+              .map(p => p.slice(1));
+            const matchPos = picomatch(
+              positivePatterns.length > 0 ? positivePatterns : ['**']
+            );
+            const matchNeg =
+              negativePatterns.length > 0 ? picomatch(negativePatterns) : null;
+            if (!matchPos(relativeFileName) || (matchNeg && matchNeg(relativeFileName))) {
               return false;
             }
           }