refactor start

home/ags/node_modules/eslint-plugin-import/memo-parser/index.js

@@ -1,41 +0,0 @@
-'use strict';
-
-const crypto = require('crypto');
-const moduleRequire = require('eslint-module-utils/module-require').default;
-const hashObject = require('eslint-module-utils/hash').hashObject;
-
-const cache = new Map();
-
-// must match ESLint default options or we'll miss the cache every time
-const parserOptions = {
-  loc: true,
-  range: true,
-  raw: true,
-  tokens: true,
-  comment: true,
-  attachComment: true,
-};
-
-exports.parse = function parse(content, options) {
-  options = { ...options, ...parserOptions };
-
-  if (!options.filePath) {
-    throw new Error('no file path provided!');
-  }
-
-  const keyHash = crypto.createHash('sha256');
-  keyHash.update(content);
-  hashObject(options, keyHash);
-
-  const key = keyHash.digest('hex');
-
-  let ast = cache.get(key);
-  if (ast != null) { return ast; }
-
-  const realParser = moduleRequire(options.parser);
-
-  ast = realParser.parse(content, options);
-  cache.set(key, ast);
-
-  return ast;
-};