codefeathers
/
infinity
mirror of https://github.com/codefeathers/infinity
1
0
Fork 0
Code Issues Releases Wiki Activity
Browse Source

[build]

master
Muthu Kumar 8 years ago
parent
02cf05fe0e
commit
9ae1d8e8a4
2 changed files with 1 additions and 496 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 495
      es5/infinity.js
  2. 2
      es5/infinity.min.js

495
es5/infinity.js
View File

@ -1,496 +1 @@
"use strict"; "use strict";
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
(function (f) {
if ((typeof exports === "undefined" ? "undefined" : _typeof(exports)) === "object" && typeof module !== "undefined") {
module.exports = f();
} else if (typeof define === "function" && define.amd) {
define([], f);
} else {
var g;if (typeof window !== "undefined") {
g = window;
} else if (typeof global !== "undefined") {
g = global;
} else if (typeof self !== "undefined") {
g = self;
} else {
g = this;
}g.isEq = f();
}
})(function () {
var define, module, exports;return function () {
function r(e, n, t) {
function o(i, f) {
if (!n[i]) {
if (!e[i]) {
var c = "function" == typeof require && require;if (!f && c) return c(i, !0);if (u) return u(i, !0);var a = new Error("Cannot find module '" + i + "'");throw a.code = "MODULE_NOT_FOUND", a;
}var p = n[i] = { exports: {} };e[i][0].call(p.exports, function (r) {
var n = e[i][1][r];return o(n || r);
}, p, p.exports, r, e, n, t);
}return n[i].exports;
}for (var u = "function" == typeof require && require, i = 0; i < t.length; i++) {
o(t[i]);
}return o;
}return r;
}()({ 1: [function (require, module, exports) {
/**
* ∞
* Infinity: Create infinitely generating lists in JavaScript.
* @version 0.2.0
* @author Muthu Kumar (MKRhere)
*/
// Utils
var _require = require('./utils'),
always = _require.always,
isNonZeroFalsy = _require.isNonZeroFalsy,
stringify = _require.stringify,
areNumbers = _require.areNumbers;
/**
* An item of the InfiniteList class. Created when calling .get(n) on an InfiniteList.
* Exposed for instanceof utility sake. Not to be called directly.
* @class InfiniteListItem
*/
var InfiniteListItem = function () {
/**
* Creates an instance of InfiniteListItem.
* @param {*} list Parent list, instance of InfiniteList
* @param {Number} value Current value
* @param {Number} index Current index
* @memberof InfiniteListItem
*/
function InfiniteListItem(list, value, index) {
_classCallCheck(this, InfiniteListItem);
this.value = value;
this.index = index;
this.next = function (z) {
return !z ? list.get(index + 1) : list.get(index + z);
};
this.previous = function (z) {
return !z ? list.get(index - 1) : list.get(index - z);
};
// Check if Symbol exists
if (typeof Symbol !== 'undefined' && Symbol.iterator) {
/**
* ES6 Symbol.iterator
* @returns {Iterable.<InfiniteListItem>}
*/
this[Symbol.iterator] = function () {
return {
next: function next() {
return {
value: list.get(index + 1),
done: false
};
}
};
};
}
}
/**
* toString method for pretty printing InfiniteListItem instance.
* @returns {String} Decycled and beautified string
* @memberof InfiniteListItem
*/
_createClass(InfiniteListItem, [{
key: "toString",
value: function toString() {
return 'InfiniteListItem [ .. ' + stringify(this.value) + ' .. ]';
}
}]);
return InfiniteListItem;
}();
var InfiniteList =
/**
* InfiniteList Constructor.
* Iterates infinitely until index value is found.
* Stores cache in closure so when the same index is requested again,
* it's returned immediately.
* @param {*} start Starting value
* @param {Function} next Function to find next item
* Accepts current value and optionally previous value
* @memberof InfiniteList
* @constructs InfiniteList
*/
function InfiniteList(start, next) {
_classCallCheck(this, InfiniteList);
// Closure magic!
var cache = [];
var j = 0;
/**
* Get InfiniteListItem at index.
* @param {Number} index A non-negative integer representing index
* @returns {InfiniteListItem}
* @memberof InfiniteList
*/
this.get = function (index) {
// Validation
if (
// i is a non-zero falsy value, or is negative
isNonZeroFalsy(index) || index < 0 || !areNumbers(index)) return;
//TODO: Cache limiting. (Removed for unexpected behaviour)
// Initializing first item if it doesn't exist
if (!cache[0]) cache[0] = start;
// If index were to be infinity, value and index are infinity
if (index === Infinity) return new InfiniteListItem(this, Infinity, Infinity);
// If index exists in cache, return the value
if (index in cache) return new InfiniteListItem(this, cache[index], index);
// If i doesn't exist in cache
if (!(index in cache)) {
if (cache.length <= index && cache.length - 1 in cache) while (cache.length <= index) {
cache[cache.length] = next(cache[cache.length - 1], cache[cache.length - 2]);
}
}
return new InfiniteListItem(this, cache[index], index);
};
/**
* Clear cache manually.
* Forces destroy reference to cache, and creates a new cache.
* Old cache will be GC'd.
* @returns {undefined}
* @memberof InfiniteList
*/
this.clearCache = function () {
return cache = [], undefined;
};
// Check if Symbol exists
if (typeof Symbol !== 'undefined' && Symbol.iterator) {
/**
* ES6 Symbol.iterator
* @returns {Iterable.<InfiniteListItem>}
* @memberof InfiniteList
*/
this[Symbol.iterator] = function () {
var _this = this;
return {
next: function next() {
return {
value: _this.get(j++),
done: false
};
}
};
};
}
if (typeof Proxy !== 'undefined') return new Proxy(this, {
get: function get(obj, key) {
if (key in obj) return obj[key];
var index = typeof key === 'string' && /^\d*$/g.test(key) ? parseInt(key) : undefined;
if (index) return obj['get'](index);
},
has: function has(obj, key) {
var index = typeof key === 'string' && /^\d*$/g.test(key) ? parseInt(key) : undefined;
return key in obj || areNumbers(index) && index % 1 === 0 && index >= 0;
},
enumerate: function enumerate(obj) {
return obj.keys();
},
ownKeys: function ownKeys(obj) {
return obj.keys();
}
});
};
/**
* Takes a given number of elements from the InfiniteList.
* @param {Number} from Number of elements or starting index
* @param {Number} to Optional ending index
* @returns {Array<InfiniteListItem>} An array of InfiniteListItems
* @memberof InfiniteList
*/
InfiniteList.prototype.take = function (from, to) {
var arr = [];
if (isNonZeroFalsy(from) || from === 0 && isNonZeroFalsy(to) // Take 0 elements?
|| !areNumbers(from) && isNonZeroFalsy(to)) return arr;
var source = void 0,
target = void 0;
if (isNonZeroFalsy(to)) {
// "from" number of elements
source = 0;
target = from;
} else {
// "target" is the end index!
source = from;
target = to + 1;
};
for (var i = source; i < target; i++) {
arr.push(this.get(i));
}
return arr;
};
/**
* Returns first element of InfiniteList.
* @returns {InfiniteListItem} Instance of InfiniteListItem
* @memberof InfiniteList
*/
InfiniteList.prototype.top = function () {
return this.get(0);
};
/**
* Returns last element of InfiniteList (Infinity).
* @returns {InfiniteListItem} Instance of InfiniteListItem
* @memberof InfiniteList
*/
InfiniteList.prototype.end = function () {
return this.get(Infinity);
};
/**
* toString method for pretty printing InfiniteList instance.
* Snips at 2 elements for arrays and objects, or 5 elements otherwise.
* @returns {String} Pretty printed InfiniteList
* @memberof InfiniteList
*/
InfiniteList.prototype.toString = function () {
var length = _typeof(this.first()) === 'object' ? 2 : 5;
return ['InfiniteList [', this.take(length).map(function (x) {
return ' ' + stringify(x.value);
}) + ',', '... ]'].join(' ');
};
/* Convenience methods */
InfiniteList.prototype.first = InfiniteList.prototype.top;
InfiniteList.prototype.last = InfiniteList.prototype.end;
// Exports
module.exports = InfiniteList;
module.exports.InfiniteListItem = InfiniteListItem;
}, { "./utils": 3 }], 2: [function (require, module, exports) {
/*
cycle.js
2018-05-15
Public Domain.
NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
This code should be minified before deployment.
See http://javascript.crockford.com/jsmin.html
USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
NOT CONTROL.
*/
// The file uses the WeakMap feature of ES6.
/*jslint eval */
/*property
$ref, decycle, forEach, get, indexOf, isArray, keys, length, push,
retrocycle, set, stringify, test
*/
if (typeof JSON.decycle !== "function") {
JSON.decycle = function decycle(object, replacer) {
"use strict";
// Make a deep copy of an object or array, assuring that there is at most
// one instance of each object or array in the resulting structure. The
// duplicate references (which might be forming cycles) are replaced with
// an object of the form
// {"$ref": PATH}
// where the PATH is a JSONPath string that locates the first occurance.
// So,
// var a = [];
// a[0] = a;
// return JSON.stringify(JSON.decycle(a));
// produces the string '[{"$ref":"$"}]'.
// If a replacer function is provided, then it will be called for each value.
// A replacer function receives a value and returns a replacement value.
// JSONPath is used to locate the unique object. $ indicates the top level of
// the object or array. [NUMBER] or [STRING] indicates a child element or
// property.
var objects = new WeakMap(); // object to path mappings
return function derez(value, path) {
// The derez function recurses through the object, producing the deep copy.
var old_path; // The path of an earlier occurance of value
var nu; // The new object or array
// If a replacer function was provided, then call it to get a replacement value.
if (replacer !== undefined) {
value = replacer(value);
}
// typeof null === "object", so go on if this value is really an object but not
// one of the weird builtin objects.
if ((typeof value === "undefined" ? "undefined" : _typeof(value)) === "object" && value !== null && !(value instanceof Boolean) && !(value instanceof Date) && !(value instanceof Number) && !(value instanceof RegExp) && !(value instanceof String)) {
// If the value is an object or array, look to see if we have already
// encountered it. If so, return a {"$ref":PATH} object. This uses an
// ES6 WeakMap.
old_path = objects.get(value);
if (old_path !== undefined) {
return {
$ref: old_path
};
}
// Otherwise, accumulate the unique value and its path.
objects.set(value, path);
// If it is an array, replicate the array.
if (Array.isArray(value)) {
nu = [];
value.forEach(function (element, i) {
nu[i] = derez(element, path + "[" + i + "]");
});
} else {
// If it is an object, replicate the object.
nu = {};
Object.keys(value).forEach(function (name) {
nu[name] = derez(value[name], path + "[" + JSON.stringify(name) + "]");
});
}
return nu;
}
return value;
}(object, "$");
};
}
if (typeof JSON.retrocycle !== "function") {
JSON.retrocycle = function retrocycle($) {
"use strict";
// Restore an object that was reduced by decycle. Members whose values are
// objects of the form
// {$ref: PATH}
// are replaced with references to the value found by the PATH. This will
// restore cycles. The object will be mutated.
// The eval function is used to locate the values described by a PATH. The
// root object is kept in a $ variable. A regular expression is used to
// assure that the PATH is extremely well formed. The regexp contains nested
// * quantifiers. That has been known to have extremely bad performance
// problems on some browsers for very long strings. A PATH is expected to be
// reasonably short. A PATH is allowed to belong to a very restricted subset of
// Goessner's JSONPath.
// So,
// var s = '[{"$ref":"$"}]';
// return JSON.retrocycle(JSON.parse(s));
// produces an array containing a single element which is the array itself.
var px = /^\$(?:\[(?:\d+|"(?:[^\\"\u0000-\u001f]|\\(?:[\\"\/bfnrt]|u[0-9a-zA-Z]{4}))*")\])*$/;
(function rez(value) {
// The rez function walks recursively through the object looking for $ref
// properties. When it finds one that has a value that is a path, then it
// replaces the $ref object with a reference to the value that is found by
// the path.
if (value && (typeof value === "undefined" ? "undefined" : _typeof(value)) === "object") {
if (Array.isArray(value)) {
value.forEach(function (element, i) {
if ((typeof element === "undefined" ? "undefined" : _typeof(element)) === "object" && element !== null) {
var path = element.$ref;
if (typeof path === "string" && px.test(path)) {
value[i] = eval(path);
} else {
rez(element);
}
}
});
} else {
Object.keys(value).forEach(function (name) {
var item = value[name];
if ((typeof item === "undefined" ? "undefined" : _typeof(item)) === "object" && item !== null) {
var path = item.$ref;
if (typeof path === "string" && px.test(path)) {
value[name] = eval(path);
} else {
rez(item);
}
}
});
}
}
})($);
return $;
};
}
module.exports = JSON;
}, {}], 3: [function (require, module, exports) {
'use strict';
var JSON = require('./cycle');
var always = function always(x) {
return function (_) {
return x;
};
};
var isNonZeroFalsy = function isNonZeroFalsy(_) {
return Boolean(_) === false && _ !== 0;
};
var stringify = function stringify(_) {
return (typeof _ === "undefined" ? "undefined" : _typeof(_)) === 'object' && _ !== null ? JSON.stringify(JSON.decycle(_), null, 2) : _.toString();
};
var areNumbers = function areNumbers() {
for (var _len = arguments.length, items = Array(_len), _key = 0; _key < _len; _key++) {
items[_key] = arguments[_key];
}
return items.every(function (x) {
return typeof x === 'number' && x !== NaN;
});
};
module.exports = {
always: always,
isNonZeroFalsy: isNonZeroFalsy,
stringify: stringify,
areNumbers: areNumbers
};
}, { "./cycle": 2 }] }, {}, [1])(1);
});

2
es5/infinity.min.js
View File

File diff suppressed because one or more lines are too long
Write Preview
Loading…
Cancel
Save