selectn/selectn.min.js

Curried property accessor function that resolves deeply-nested object properties via dot/bracket-notation string path while mitigating TypeErrors via friendly and composable API.

!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.selectn=e()}}(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){"use strict";const curry2=require("curry2");const dotted=require("brackets2dots");const splits=require("dotsplit.js");const string=Object.prototype.toString;module.exports=curry2(selectn);function selectn(path,object){let idx=-1;const seg=string.call(path)==="[object Array]"?path:splits(dotted(path));const end=seg.length;let ref=end?object:undefined;while(++idx<end){if(Object(ref)!==ref)return undefined;ref=ref[seg[idx]]}return typeof ref==="function"?ref():ref}},{brackets2dots:2,curry2:3,"dotsplit.js":4}],2:[function(require,module,exports){"use strict";module.exports=brackets2dots;var REPLACE_BRACKETS=/\[([^\[\]]+)\]/g;var LFT_RT_TRIM_DOTS=/^[.]*|[.]*$/g;function brackets2dots(string){return{}.toString.call(string)=="[object String]"?string.replace(REPLACE_BRACKETS,".$1").replace(LFT_RT_TRIM_DOTS,""):""}},{}],3:[function(require,module,exports){"use strict";var bind=Function.prototype.bind||require("fast-bind");module.exports=curry2;function curry2(fn,self){var out=function(){if(arguments.length===0)return out;return arguments.length>1?fn.apply(self,arguments):bind.call(fn,self,arguments[0])};out.uncurry=function uncurry(){return fn};return out}},{"fast-bind":5}],4:[function(require,module,exports){"use strict";var toString=Object.prototype.toString;function dotsplit(string){var idx=-1;var str=compact(normalize(string).split("."));var end=str.length;var out=[];while(++idx<end){out.push(todots(str[idx]))}return out}function normalize(string){return(toString.call(string)==="[object String]"?string:"").replace(/\\\./g,"￿")}function compact(arr){var idx=-1;var end=arr.length;var out=[];while(++idx<end){if(arr[idx])out.push(arr[idx])}return out}function todots(string){return string.replace(/\uffff/g,".")}module.exports=dotsplit},{}],5:[function(require,module,exports){"use strict";module.exports=function(boundThis){var f=this,ret;if(arguments.length<2)ret=function(){if(this instanceof ret){var ret_=f.apply(this,arguments);return Object(ret_)===ret_?ret_:this}else return f.apply(boundThis,arguments)};else{var boundArgs=new Array(arguments.length-1);for(var i=1;i<arguments.length;i++)boundArgs[i-1]=arguments[i];ret=function(){var boundLen=boundArgs.length,args=new Array(boundLen+arguments.length),i;for(i=0;i<boundLen;i++)args[i]=boundArgs[i];for(i=0;i<arguments.length;i++)args[boundLen+i]=arguments[i];if(this instanceof ret){var ret_=f.apply(this,args);return Object(ret_)===ret_?ret_:this}else return f.apply(boundThis,args)}}ret.prototype=f.prototype;return ret}},{}]},{},[1])(1)});