merge completed... now to fix all the bugs...

node_modules/eslint-module-utils/parse.js

@@ -0,0 +1,127 @@
+'use strict';
+exports.__esModule = true;
+
+const moduleRequire = require('./module-require').default;
+const extname = require('path').extname;
+const fs = require('fs');
+
+const log = require('debug')('eslint-plugin-import:parse');
+
+function getBabelVisitorKeys(parserPath) {
+  if (parserPath.endsWith('index.js')) {
+    const hypotheticalLocation = parserPath.replace('index.js', 'visitor-keys.js');
+    if (fs.existsSync(hypotheticalLocation)) {
+      const keys = moduleRequire(hypotheticalLocation);
+      return keys.default || keys;
+    }
+  } else if (parserPath.endsWith('index.cjs')) {
+    const hypotheticalLocation = parserPath.replace('index.cjs', 'worker/ast-info.cjs');
+    if (fs.existsSync(hypotheticalLocation)) {
+      const astInfo = moduleRequire(hypotheticalLocation);
+      return astInfo.getVisitorKeys();
+    }
+  }
+  return null;
+}
+
+function keysFromParser(parserPath, parserInstance, parsedResult) {
+  if (/.*espree.*/.test(parserPath)) {
+    return parserInstance.VisitorKeys;
+  }
+  if (/.*(babel-eslint|@babel\/eslint-parser).*/.test(parserPath)) {
+    return getBabelVisitorKeys(parserPath);
+  }
+  if (/.*@typescript-eslint\/parser/.test(parserPath)) {
+    if (parsedResult) {
+      return parsedResult.visitorKeys;
+    }
+  }
+  return null;
+}
+
+exports.default = function parse(path, content, context) {
+
+  if (context == null) throw new Error('need context to parse properly');
+
+  let parserOptions = context.parserOptions;
+  const parserPath = getParserPath(path, context);
+
+  if (!parserPath) throw new Error('parserPath is required!');
+
+  // hack: espree blows up with frozen options
+  parserOptions = Object.assign({}, parserOptions);
+  parserOptions.ecmaFeatures = Object.assign({}, parserOptions.ecmaFeatures);
+
+  // always include comments and tokens (for doc parsing)
+  parserOptions.comment = true;
+  parserOptions.attachComment = true;  // keeping this for backward-compat with  older parsers
+  parserOptions.tokens = true;
+
+  // attach node locations
+  parserOptions.loc = true;
+  parserOptions.range = true;
+
+  // provide the `filePath` like eslint itself does, in `parserOptions`
+  // https://github.com/eslint/eslint/blob/3ec436ee/lib/linter.js#L637
+  parserOptions.filePath = path;
+
+  // @typescript-eslint/parser will parse the entire project with typechecking if you provide
+  // "project" or "projects" in parserOptions. Removing these options means the parser will
+  // only parse one file in isolate mode, which is much, much faster.
+  // https://github.com/import-js/eslint-plugin-import/issues/1408#issuecomment-509298962
+  delete parserOptions.project;
+  delete parserOptions.projects;
+
+  // require the parser relative to the main module (i.e., ESLint)
+  const parser = moduleRequire(parserPath);
+
+  if (typeof parser.parseForESLint === 'function') {
+    let ast;
+    try {
+      const parserRaw = parser.parseForESLint(content, parserOptions);
+      ast = parserRaw.ast;
+      return {
+        ast,
+        visitorKeys: keysFromParser(parserPath, parser, parserRaw),
+      };
+    } catch (e) {
+      console.warn();
+      console.warn('Error while parsing ' + parserOptions.filePath);
+      console.warn('Line ' + e.lineNumber + ', column ' + e.column + ': ' + e.message);
+    }
+    if (!ast || typeof ast !== 'object') {
+      console.warn(
+        '`parseForESLint` from parser `' +
+          parserPath +
+          '` is invalid and will just be ignored'
+      );
+    } else {
+      return {
+        ast,
+        visitorKeys: keysFromParser(parserPath, parser, undefined),
+      };
+    }
+  }
+
+  const keys = keysFromParser(parserPath, parser, undefined);
+  return {
+    ast: parser.parse(content, parserOptions),
+    visitorKeys: keys,
+  };
+};
+
+function getParserPath(path, context) {
+  const parsers = context.settings['import/parsers'];
+  if (parsers != null) {
+    const extension = extname(path);
+    for (const parserPath in parsers) {
+      if (parsers[parserPath].indexOf(extension) > -1) {
+        // use this alternate parser
+        log('using alt parser:', parserPath);
+        return parserPath;
+      }
+    }
+  }
+  // default to use ESLint parser
+  return context.parserPath;
+}