feat: init

node_modules/regexp-tree/dist/interpreter/finite-automaton/index.js

@@ -0,0 +1,59 @@
+/**
+ * The MIT License (MIT)
+ * Copyright (c) 2017-present Dmitry Soshnikov <dmitry.soshnikov@gmail.com>
+ */
+
+'use strict';
+
+var NFA = require('./nfa/nfa');
+var DFA = require('./dfa/dfa');
+
+var nfaFromRegExp = require('./nfa/nfa-from-regexp');
+var builders = require('./nfa/builders');
+
+module.exports = {
+
+  /**
+   * Export NFA and DFA classes.
+   */
+  NFA: NFA,
+  DFA: DFA,
+
+  /**
+   * Expose builders.
+   */
+  builders: builders,
+
+  /**
+   * Builds an NFA for the passed regexp.
+   *
+   * @param string | AST | RegExp:
+   *
+   *   a regular expression in different representations: a string,
+   *   a RegExp object, or an AST.
+   */
+  toNFA: function toNFA(regexp) {
+    return nfaFromRegExp.build(regexp);
+  },
+
+
+  /**
+   * Builds DFA for the passed regexp.
+   *
+   * @param string | AST | RegExp:
+   *
+   *   a regular expression in different representations: a string,
+   *   a RegExp object, or an AST.
+   */
+  toDFA: function toDFA(regexp) {
+    return new DFA(this.toNFA(regexp));
+  },
+
+
+  /**
+   * Returns true if regexp accepts the string.
+   */
+  test: function test(regexp, string) {
+    return this.toDFA(regexp).matches(string);
+  }
+};