feat: Implement language plugins

Refs eslint/rfcs#99

lib/api.js

@@ -13,7 +13,7 @@ const { ESLint, shouldUseFlatConfig } = require("./eslint/eslint");
 const { LegacyESLint } = require("./eslint/legacy-eslint");
 const { Linter } = require("./linter");
 const { RuleTester } = require("./rule-tester");
-const { SourceCode } = require("./source-code");
+const { SourceCode } = require("./languages/js/source-code");
 
 //-----------------------------------------------------------------------------
 // Functions

lib/source-code/source-code.js → lib/languages/js/source-code/source-code.js

@@ -11,18 +11,16 @@
 const
  { isCommentToken } = require("@eslint-community/eslint-utils"),
  TokenStore = require("./token-store"),
- astUtils = require("../shared/ast-utils"),
- Traverser = require("../shared/traverser"),
- globals = require("../../conf/globals"),
+ astUtils = require("../../../shared/ast-utils"),
+ Traverser = require("../../../shared/traverser"),
+ globals = require("../../../../conf/globals"),
  {
  directivesPattern
- } = require("../shared/directives"),
+ } = require("../../../shared/directives"),
 
- /* eslint-disable n/no-restricted-require -- Should eventually be moved into SourceCode. */
- CodePathAnalyzer = require("../linter/code-path-analysis/code-path-analyzer"),
- createEmitter = require("../linter/safe-emitter"),
- ConfigCommentParser = require("../linter/config-comment-parser"),
- /* eslint-enable n/no-restricted-require -- Should eventually be moved into SourceCode. */
+ CodePathAnalyzer = require("../../../linter/code-path-analysis/code-path-analyzer"),
+ createEmitter = require("../../../linter/safe-emitter"),
+ ConfigCommentParser = require("../../../linter/config-comment-parser"),
 
  eslintScope = require("eslint-scope");
 

lib/linter/linter.js

@@ -29,7 +29,7 @@ const
  }
  } = require("@eslint/eslintrc/universal"),
  Traverser = require("../shared/traverser"),
- { SourceCode } = require("../source-code"),
+ { SourceCode } = require("../languages/js/source-code"),
  applyDisableDirectives = require("./apply-disable-directives"),
  ConfigCommentParser = require("./config-comment-parser"),
  NodeEventGenerator = require("./node-event-generator"),

lib/rule-tester/rule-tester.js

@@ -27,10 +27,11 @@ const { defaultConfig } = require("../config/default-config");
 const ajv = require("../shared/ajv")({ strictDefaults: true });
 
 const parserSymbol = Symbol.for("eslint.RuleTester.parser");
-const { SourceCode } = require("../source-code");
 const { ConfigArraySymbol } = require("@humanwhocodes/config-array");
 const { isSerializable } = require("../shared/serialization");
 
+const { SourceCode } = require("../languages/js/source-code");
+
 //------------------------------------------------------------------------------
 // Typedefs
 //------------------------------------------------------------------------------

tests/lib/source-code/source-code.js → tests/lib/languages/js/source-code/source-code.js

@@ -14,9 +14,9 @@ const fs = require("node:fs"),
  espree = require("espree"),
  eslintScope = require("eslint-scope"),
  sinon = require("sinon"),
- { Linter } = require("../../../lib/linter"),
- SourceCode = require("../../../lib/source-code/source-code"),
- astUtils = require("../../../lib/shared/ast-utils");
+ { Linter } = require("../../../../../lib/linter"),
+ SourceCode = require("../../../../../lib/languages/js/source-code/source-code"),
+ astUtils = require("../../../../../lib/shared/ast-utils");
 
 //------------------------------------------------------------------------------
 // Helpers
@@ -206,7 +206,7 @@ describe("SourceCode", () => {
  });
 
  describe("when it read a UTF-8 file (has BOM), SourceCode", () => {
- const UTF8_FILE = path.resolve(__dirname, "../../fixtures/utf8-bom.js");
+ const UTF8_FILE = path.resolve(__dirname, "../../../../fixtures/utf8-bom.js");
  const text = fs.readFileSync(
  UTF8_FILE,
  "utf8"

tests/lib/source-code/token-store.js → tests/lib/languages/js/source-code/token-store.js

@@ -11,7 +11,7 @@
 
 const assert = require("chai").assert,
  espree = require("espree"),
- TokenStore = require("../../../lib/source-code/token-store");
+ TokenStore = require("../../../../../lib/languages/js/source-code/token-store");
 
 //------------------------------------------------------------------------------
 // Constants

tests/lib/linter/report-translator.js

@@ -9,7 +9,7 @@
 //------------------------------------------------------------------------------
 
 const assert = require("chai").assert;
-const { SourceCode } = require("../../../lib/source-code");
+const { SourceCode } = require("../../../lib/languages/js/source-code");
 const espree = require("espree");
 const createReportTranslator = require("../../../lib/linter/report-translator");
 

tests/lib/rules/utils/ast-utils.js

@@ -14,7 +14,7 @@ const assert = require("chai").assert,
  espree = require("espree"),
  astUtils = require("../../../../lib/rules/utils/ast-utils"),
  { Linter } = require("../../../../lib/linter"),
- { SourceCode } = require("../../../../lib/source-code");
+ { SourceCode } = require("../../../../lib/languages/js/source-code");
 
 //------------------------------------------------------------------------------
 // Tests

tests/lib/rules/utils/fix-tracker.js

@@ -12,7 +12,7 @@ const assert = require("chai").assert,
  espree = require("espree"),
  FixTracker = require("../../../../lib/rules/utils/fix-tracker"),
  ruleFixer = require("../../../../lib/linter/rule-fixer"),
- { SourceCode } = require("../../../../lib/source-code"),
+ { SourceCode } = require("../../../../lib/languages/js/source-code"),
  Traverser = require("../../../../lib/shared/traverser");
 
 //------------------------------------------------------------------------------