- Update JsFileRegexParser to support Unicode characters in goog.require assignment targets, added associated unit test

- Address Java code clarity Yoda condition compiler warnings in JsFileRegexParser

PiperOrigin-RevId: 839441109

Author: spkapust

src/com/google/javascript/jscomp/deps/JsFileRegexParser.java

@@ -48,7 +48,7 @@ public final class JsFileRegexParser extends JsFileLineParser {
       // TODO(sdh): this handles goog.loadModule(function(){"use strict";goog.module
       // but fails to match without "use strict"; since we look for semicolon, not open brace.
       Pattern.compile(
-          "(?:^|;)(?:[a-zA-Z0-9$_,:{}\\s]+=)?\\s*"
+          "(?:^|;)(?:[\\p{L}\\p{Nl}\\p{Nd}$_,:{}\\s]+=)?\\s*"
               + "goog\\.(?<func>provide|module|require|requireType|addDependency|declareModuleId)"
               // TODO(johnplaisted): Remove declareNamespace.
               + "\\s*\\(\\s*(?<args>.*?)\\s*\\)");

test/com/google/javascript/jscomp/deps/JsFileRegexParserTest.java

@@ -176,6 +176,23 @@ public void testParseFileWithMultiLineRequires() {
     assertDeps(expected, result);
   }
 
+  @Test
+  public void testUnicodeCharacters() {
+    String contents =
+        """
+        const FɵɵΔBar = goog.require('imaginary.test.namespace');
+        """;
+
+    DependencyInfo expected =
+        SimpleDependencyInfo.builder(CLOSURE_PATH, SRC_PATH)
+            .setRequires(ImmutableList.of(googRequireSymbol("imaginary.test.namespace")))
+            .build();
+
+    DependencyInfo result = parser.parseFile(SRC_PATH, CLOSURE_PATH, contents);
+
+    assertDeps(expected, result);
+  }
+
   @Test
   public void testParseGoogModuleWithRequireType() {
     String contents =