295 lines
8.3 KiB
JavaScript
295 lines
8.3 KiB
JavaScript
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(function(f){if(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.pathval = f()}})(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){
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'use strict';
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/* !
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* Chai - pathval utility
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* Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
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* @see https://github.com/logicalparadox/filtr
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* MIT Licensed
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*/
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/**
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* ### .hasProperty(object, name)
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*
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* This allows checking whether an object has own
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* or inherited from prototype chain named property.
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*
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* Basically does the same thing as the `in`
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* operator but works properly with null/undefined values
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* and other primitives.
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*
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* var obj = {
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* arr: ['a', 'b', 'c']
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* , str: 'Hello'
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* }
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*
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* The following would be the results.
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*
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* hasProperty(obj, 'str'); // true
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* hasProperty(obj, 'constructor'); // true
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* hasProperty(obj, 'bar'); // false
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*
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* hasProperty(obj.str, 'length'); // true
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* hasProperty(obj.str, 1); // true
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* hasProperty(obj.str, 5); // false
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*
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* hasProperty(obj.arr, 'length'); // true
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* hasProperty(obj.arr, 2); // true
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* hasProperty(obj.arr, 3); // false
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*
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* @param {Object} object
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* @param {String|Symbol} name
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* @returns {Boolean} whether it exists
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* @namespace Utils
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* @name hasProperty
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* @api public
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*/
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function hasProperty(obj, name) {
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if (typeof obj === 'undefined' || obj === null) {
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return false;
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}
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// The `in` operator does not work with primitives.
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return name in Object(obj);
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}
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/* !
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* ## parsePath(path)
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*
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* Helper function used to parse string object
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* paths. Use in conjunction with `internalGetPathValue`.
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*
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* var parsed = parsePath('myobject.property.subprop');
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*
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* ### Paths:
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*
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* * Can be infinitely deep and nested.
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* * Arrays are also valid using the formal `myobject.document[3].property`.
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* * Literal dots and brackets (not delimiter) must be backslash-escaped.
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*
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* @param {String} path
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* @returns {Object} parsed
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* @api private
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*/
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function parsePath(path) {
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var str = path.replace(/([^\\])\[/g, '$1.[');
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var parts = str.match(/(\\\.|[^.]+?)+/g);
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return parts.map(function mapMatches(value) {
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var regexp = /^\[(\d+)\]$/;
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var mArr = regexp.exec(value);
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var parsed = null;
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if (mArr) {
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parsed = { i: parseFloat(mArr[1]) };
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} else {
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parsed = { p: value.replace(/\\([.\[\]])/g, '$1') };
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}
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return parsed;
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});
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}
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/* !
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* ## internalGetPathValue(obj, parsed[, pathDepth])
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*
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* Helper companion function for `.parsePath` that returns
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* the value located at the parsed address.
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*
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* var value = getPathValue(obj, parsed);
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*
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* @param {Object} object to search against
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* @param {Object} parsed definition from `parsePath`.
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* @param {Number} depth (nesting level) of the property we want to retrieve
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* @returns {Object|Undefined} value
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* @api private
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*/
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function internalGetPathValue(obj, parsed, pathDepth) {
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var temporaryValue = obj;
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var res = null;
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pathDepth = (typeof pathDepth === 'undefined' ? parsed.length : pathDepth);
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for (var i = 0; i < pathDepth; i++) {
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var part = parsed[i];
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if (temporaryValue) {
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if (typeof part.p === 'undefined') {
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temporaryValue = temporaryValue[part.i];
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} else {
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temporaryValue = temporaryValue[part.p];
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}
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if (i === (pathDepth - 1)) {
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res = temporaryValue;
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}
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}
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}
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return res;
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}
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/* !
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* ## internalSetPathValue(obj, value, parsed)
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*
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* Companion function for `parsePath` that sets
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* the value located at a parsed address.
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*
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* internalSetPathValue(obj, 'value', parsed);
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*
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* @param {Object} object to search and define on
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* @param {*} value to use upon set
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* @param {Object} parsed definition from `parsePath`
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* @api private
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*/
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function internalSetPathValue(obj, val, parsed) {
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var tempObj = obj;
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var pathDepth = parsed.length;
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var part = null;
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// Here we iterate through every part of the path
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for (var i = 0; i < pathDepth; i++) {
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var propName = null;
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var propVal = null;
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part = parsed[i];
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// If it's the last part of the path, we set the 'propName' value with the property name
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if (i === (pathDepth - 1)) {
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propName = typeof part.p === 'undefined' ? part.i : part.p;
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// Now we set the property with the name held by 'propName' on object with the desired val
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tempObj[propName] = val;
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} else if (typeof part.p !== 'undefined' && tempObj[part.p]) {
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tempObj = tempObj[part.p];
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} else if (typeof part.i !== 'undefined' && tempObj[part.i]) {
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tempObj = tempObj[part.i];
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} else {
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// If the obj doesn't have the property we create one with that name to define it
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var next = parsed[i + 1];
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// Here we set the name of the property which will be defined
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propName = typeof part.p === 'undefined' ? part.i : part.p;
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// Here we decide if this property will be an array or a new object
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propVal = typeof next.p === 'undefined' ? [] : {};
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tempObj[propName] = propVal;
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tempObj = tempObj[propName];
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}
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}
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}
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/**
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* ### .getPathInfo(object, path)
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*
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* This allows the retrieval of property info in an
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* object given a string path.
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*
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* The path info consists of an object with the
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* following properties:
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*
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* * parent - The parent object of the property referenced by `path`
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* * name - The name of the final property, a number if it was an array indexer
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* * value - The value of the property, if it exists, otherwise `undefined`
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* * exists - Whether the property exists or not
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*
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* @param {Object} object
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* @param {String} path
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* @returns {Object} info
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* @namespace Utils
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* @name getPathInfo
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* @api public
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*/
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function getPathInfo(obj, path) {
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var parsed = parsePath(path);
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var last = parsed[parsed.length - 1];
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var info = {
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parent: parsed.length > 1 ? internalGetPathValue(obj, parsed, parsed.length - 1) : obj,
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name: last.p || last.i,
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value: internalGetPathValue(obj, parsed),
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};
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info.exists = hasProperty(info.parent, info.name);
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return info;
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}
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/**
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* ### .getPathValue(object, path)
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*
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* This allows the retrieval of values in an
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* object given a string path.
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*
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* var obj = {
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* prop1: {
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* arr: ['a', 'b', 'c']
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* , str: 'Hello'
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* }
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* , prop2: {
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* arr: [ { nested: 'Universe' } ]
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* , str: 'Hello again!'
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* }
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* }
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*
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* The following would be the results.
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*
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* getPathValue(obj, 'prop1.str'); // Hello
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* getPathValue(obj, 'prop1.att[2]'); // b
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* getPathValue(obj, 'prop2.arr[0].nested'); // Universe
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*
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* @param {Object} object
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* @param {String} path
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* @returns {Object} value or `undefined`
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* @namespace Utils
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* @name getPathValue
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* @api public
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*/
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function getPathValue(obj, path) {
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var info = getPathInfo(obj, path);
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return info.value;
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}
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/**
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* ### .setPathValue(object, path, value)
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*
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* Define the value in an object at a given string path.
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*
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* ```js
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* var obj = {
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* prop1: {
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* arr: ['a', 'b', 'c']
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* , str: 'Hello'
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* }
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* , prop2: {
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* arr: [ { nested: 'Universe' } ]
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* , str: 'Hello again!'
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* }
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* };
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* ```
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*
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* The following would be acceptable.
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*
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* ```js
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* var properties = require('tea-properties');
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* properties.set(obj, 'prop1.str', 'Hello Universe!');
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* properties.set(obj, 'prop1.arr[2]', 'B');
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* properties.set(obj, 'prop2.arr[0].nested.value', { hello: 'universe' });
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* ```
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*
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* @param {Object} object
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* @param {String} path
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* @param {Mixed} value
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* @api private
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*/
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function setPathValue(obj, path, val) {
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var parsed = parsePath(path);
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internalSetPathValue(obj, val, parsed);
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return obj;
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}
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module.exports = {
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hasProperty: hasProperty,
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getPathInfo: getPathInfo,
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getPathValue: getPathValue,
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setPathValue: setPathValue,
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};
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},{}]},{},[1])(1)
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});
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