Remove unused code

Author: DmitrySoshnikov

Diff for: index.js

@@ -5,163 +5,4 @@
 
 'use strict';
 
-module.exports = require('./dist/regexp-tree');
-
-const compatTranspiler = require('./src/compat-transpiler');
-const generator = require('./src/generator');
-const optimizer = require('./src/optimizer');
-const parser = require('./src/parser');
-const transform = require('./src/transform');
-const traverse = require('./src/traverse');
-const fa = require('./src/interpreter/finite-automaton');
-
-const {RegExpTree} = require('./src/compat-transpiler/runtime');
-
-/**
- * An API object for RegExp processing (parsing/transform/generation).
- */
-const regexpTree = {
-  /**
-   * Parser module exposed.
-   */
-  parser,
-
-  /**
-   * Expose finite-automaton module.
-   */
-  fa,
-
-  /**
-   * `TransformResult` exposed.
-   */
-  TransformResult: transform.TransformResult,
-
-  /**
-   * Parses a regexp string, producing an AST.
-   *
-   * @param string regexp
-   *
-   *   a regular expression in different formats: string, AST, RegExp.
-   *
-   * @param Object options
-   *
-   *   parsing options for this parse call. Default are:
-   *
-   *     - captureLocations: boolean
-   *     - any other custom options
-   *
-   * @return Object AST
-   */
-  parse(regexp, options) {
-    return parser.parse(`${regexp}`, options);
-  },
-
-  /**
-   * Traverses a RegExp AST.
-   *
-   * @param Object ast
-   * @param Object | Array<Object> handlers
-   *
-   * A `handler` is an object containing handler function for needed
-   * node types. Example:
-   *
-   *   regexpTree.traverse(ast, {
-   *     onChar(node) {
-   *       ...
-   *     },
-   *   });
-   */
-  traverse(ast, handlers) {
-    return traverse.traverse(ast, handlers);
-  },
-
-  /**
-   * Transforms a regular expression.
-   *
-   * A regexp can be passed in different formats (string, regexp or AST),
-   * applying a set of transformations. It is a convenient wrapper
-   * on top of "parse-traverse-generate" tool chain.
-   *
-   * @param string | AST | RegExp regexp - a regular expression;
-   * @param Object | Array<Object> handlers - a list of handlers.
-   *
-   * @return TransformResult - a transformation result.
-   */
-  transform(regexp, handlers) {
-    return transform.transform(regexp, handlers);
-  },
-
-  /**
-   * Generates a RegExp string from an AST.
-   *
-   * @param Object ast
-   *
-   * Invariant:
-   *
-   *   regexpTree.generate(regexpTree.parse('/[a-z]+/i')); // '/[a-z]+/i'
-   */
-  generate(ast) {
-    return generator.generate(ast);
-  },
-
-  /**
-   * Creates a RegExp object from a regexp string.
-   *
-   * @param string regexp
-   */
-  toRegExp(regexp) {
-    const compat = this.compatTranspile(regexp);
-    return new RegExp(compat.getSource(), compat.getFlags());
-  },
-
-  /**
-   * Optimizes a regular expression by replacing some
-   * sub-expressions with their idiomatic patterns.
-   *
-   * @param string regexp
-   *
-   * @return TransformResult object
-   */
-  optimize(regexp, whitelist) {
-    return optimizer.optimize(regexp, whitelist);
-  },
-
-  /**
-   * Translates a regular expression in new syntax or in new format
-   * into equivalent expressions in old syntax.
-   *
-   * @param string regexp
-   *
-   * @return TransformResult object
-   */
-  compatTranspile(regexp, whitelist) {
-    return compatTranspiler.transform(regexp, whitelist);
-  },
-
-  /**
-   * Executes a regular expression on a string.
-   *
-   * @param RegExp|string re - a regular expression.
-   * @param string string - a testing string.
-   */
-  exec(re, string) {
-    if (typeof re === 'string') {
-      const compat = this.compatTranspile(re);
-      const extra = compat.getExtra();
-
-      if (extra.namedCapturingGroups) {
-        re = new RegExpTree(compat.toRegExp(), {
-          flags: compat.getFlags(),
-          source: compat.getSource(),
-          groups: extra.namedCapturingGroups,
-        });
-      } else {
-        re = compat.toRegExp();
-      }
-    }
-
-    return re.exec(string);
-  },
-};
-
-module.exports = regexpTree;
+module.exports = require('./dist/regexp-tree');