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-/***********************************************************************
-
- A JavaScript tokenizer / parser / beautifier / compressor.
- https://github.com/mishoo/UglifyJS2
-
- -------------------------------- (C) ---------------------------------
-
- Author: Mihai Bazon
- <mihai.bazon@gmail.com>
- http://mihai.bazon.net/blog
-
- Distributed under the BSD license:
-
- Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- * Redistributions of source code must retain the above
- copyright notice, this list of conditions and the following
- disclaimer.
-
- * Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials
- provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
- OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
- THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- SUCH DAMAGE.
-
- ***********************************************************************/
-
-"use strict";
-
-function array_to_hash(a) {
- var ret = Object.create(null);
- for (var i = 0; i < a.length; ++i)
- ret[a[i]] = true;
- return ret;
-};
-
-function slice(a, start) {
- return Array.prototype.slice.call(a, start || 0);
-};
-
-function characters(str) {
- return str.split("");
-};
-
-function member(name, array) {
- for (var i = array.length; --i >= 0;)
- if (array[i] == name)
- return true;
- return false;
-};
-
-function find_if(func, array) {
- for (var i = 0, n = array.length; i < n; ++i) {
- if (func(array[i]))
- return array[i];
- }
-};
-
-function repeat_string(str, i) {
- if (i <= 0) return "";
- if (i == 1) return str;
- var d = repeat_string(str, i >> 1);
- d += d;
- if (i & 1) d += str;
- return d;
-};
-
-function DefaultsError(msg, defs) {
- Error.call(this, msg);
- this.msg = msg;
- this.defs = defs;
-};
-DefaultsError.prototype = Object.create(Error.prototype);
-DefaultsError.prototype.constructor = DefaultsError;
-
-DefaultsError.croak = function(msg, defs) {
- throw new DefaultsError(msg, defs);
-};
-
-function defaults(args, defs, croak) {
- if (args === true)
- args = {};
- var ret = args || {};
- if (croak) for (var i in ret) if (ret.hasOwnProperty(i) && !defs.hasOwnProperty(i))
- DefaultsError.croak("`" + i + "` is not a supported option", defs);
- for (var i in defs) if (defs.hasOwnProperty(i)) {
- ret[i] = (args && args.hasOwnProperty(i)) ? args[i] : defs[i];
- }
- return ret;
-};
-
-function merge(obj, ext) {
- for (var i in ext) if (ext.hasOwnProperty(i)) {
- obj[i] = ext[i];
- }
- return obj;
-};
-
-function noop() {};
-
-var MAP = (function(){
- function MAP(a, f, backwards) {
- var ret = [], top = [], i;
- function doit() {
- var val = f(a[i], i);
- var is_last = val instanceof Last;
- if (is_last) val = val.v;
- if (val instanceof AtTop) {
- val = val.v;
- if (val instanceof Splice) {
- top.push.apply(top, backwards ? val.v.slice().reverse() : val.v);
- } else {
- top.push(val);
- }
- }
- else if (val !== skip) {
- if (val instanceof Splice) {
- ret.push.apply(ret, backwards ? val.v.slice().reverse() : val.v);
- } else {
- ret.push(val);
- }
- }
- return is_last;
- };
- if (a instanceof Array) {
- if (backwards) {
- for (i = a.length; --i >= 0;) if (doit()) break;
- ret.reverse();
- top.reverse();
- } else {
- for (i = 0; i < a.length; ++i) if (doit()) break;
- }
- }
- else {
- for (i in a) if (a.hasOwnProperty(i)) if (doit()) break;
- }
- return top.concat(ret);
- };
- MAP.at_top = function(val) { return new AtTop(val) };
- MAP.splice = function(val) { return new Splice(val) };
- MAP.last = function(val) { return new Last(val) };
- var skip = MAP.skip = {};
- function AtTop(val) { this.v = val };
- function Splice(val) { this.v = val };
- function Last(val) { this.v = val };
- return MAP;
-})();
-
-function push_uniq(array, el) {
- if (array.indexOf(el) < 0)
- array.push(el);
-};
-
-function string_template(text, props) {
- return text.replace(/\{(.+?)\}/g, function(str, p){
- return props[p];
- });
-};
-
-function remove(array, el) {
- for (var i = array.length; --i >= 0;) {
- if (array[i] === el) array.splice(i, 1);
- }
-};
-
-function mergeSort(array, cmp) {
- if (array.length < 2) return array.slice();
- function merge(a, b) {
- var r = [], ai = 0, bi = 0, i = 0;
- while (ai < a.length && bi < b.length) {
- cmp(a[ai], b[bi]) <= 0
- ? r[i++] = a[ai++]
- : r[i++] = b[bi++];
- }
- if (ai < a.length) r.push.apply(r, a.slice(ai));
- if (bi < b.length) r.push.apply(r, b.slice(bi));
- return r;
- };
- function _ms(a) {
- if (a.length <= 1)
- return a;
- var m = Math.floor(a.length / 2), left = a.slice(0, m), right = a.slice(m);
- left = _ms(left);
- right = _ms(right);
- return merge(left, right);
- };
- return _ms(array);
-};
-
-function set_difference(a, b) {
- return a.filter(function(el){
- return b.indexOf(el) < 0;
- });
-};
-
-function set_intersection(a, b) {
- return a.filter(function(el){
- return b.indexOf(el) >= 0;
- });
-};
-
-// this function is taken from Acorn [1], written by Marijn Haverbeke
-// [1] https://github.com/marijnh/acorn
-function makePredicate(words) {
- if (!(words instanceof Array)) words = words.split(" ");
- var f = "", cats = [];
- out: for (var i = 0; i < words.length; ++i) {
- for (var j = 0; j < cats.length; ++j)
- if (cats[j][0].length == words[i].length) {
- cats[j].push(words[i]);
- continue out;
- }
- cats.push([words[i]]);
- }
- function compareTo(arr) {
- if (arr.length == 1) return f += "return str === " + JSON.stringify(arr[0]) + ";";
- f += "switch(str){";
- for (var i = 0; i < arr.length; ++i) f += "case " + JSON.stringify(arr[i]) + ":";
- f += "return true}return false;";
- }
- // When there are more than three length categories, an outer
- // switch first dispatches on the lengths, to save on comparisons.
- if (cats.length > 3) {
- cats.sort(function(a, b) {return b.length - a.length;});
- f += "switch(str.length){";
- for (var i = 0; i < cats.length; ++i) {
- var cat = cats[i];
- f += "case " + cat[0].length + ":";
- compareTo(cat);
- }
- f += "}";
- // Otherwise, simply generate a flat `switch` statement.
- } else {
- compareTo(words);
- }
- return new Function("str", f);
-};
-
-function all(array, predicate) {
- for (var i = array.length; --i >= 0;)
- if (!predicate(array[i]))
- return false;
- return true;
-};
-
-function Dictionary() {
- this._values = Object.create(null);
- this._size = 0;
-};
-Dictionary.prototype = {
- set: function(key, val) {
- if (!this.has(key)) ++this._size;
- this._values["$" + key] = val;
- return this;
- },
- add: function(key, val) {
- if (this.has(key)) {
- this.get(key).push(val);
- } else {
- this.set(key, [ val ]);
- }
- return this;
- },
- get: function(key) { return this._values["$" + key] },
- del: function(key) {
- if (this.has(key)) {
- --this._size;
- delete this._values["$" + key];
- }
- return this;
- },
- has: function(key) { return ("$" + key) in this._values },
- each: function(f) {
- for (var i in this._values)
- f(this._values[i], i.substr(1));
- },
- size: function() {
- return this._size;
- },
- map: function(f) {
- var ret = [];
- for (var i in this._values)
- ret.push(f(this._values[i], i.substr(1)));
- return ret;
- }
-};
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