Began adding util.propParse() to simplify design (supports scalar, arr and obj props and concrete methods)
parent
729b977088
commit
4037cc1343
36
lib/util.js
36
lib/util.js
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@ -85,6 +85,42 @@ exports.defineSecureProp = function( obj, prop, value )
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}
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/**
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* Parses object properties to determine how they should be interpreted in an
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* Object Oriented manner
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*
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* @param {Object} data properties with names as the key
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* @param {Object} options parser options and callbacks
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*
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* @return undefined
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*/
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exports.propParse = function( data, options )
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{
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var callback_prop = options.property || function() {},
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callback_method = options.method || function() {},
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callback = null;
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// for each of the given properties, determine what type of property we're
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// dealing with (in the classic OO sense)
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for ( prop in data )
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{
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var value = data[ prop ];
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if ( value instanceof Function )
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{
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callback = callback_method;
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}
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else
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{
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callback = callback_prop;
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}
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// call the appropriate callback
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callback( prop, value );
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}
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}
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/**
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* Copies properties to the destination object
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*
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@ -0,0 +1,81 @@
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/**
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* Tests util.propParse
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*
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* Copyright (C) 2010 Mike Gerwitz
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*
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* This file is part of ease.js.
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*
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* ease.js is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @author Mike Gerwitz
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* @package test
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*/
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require( './common' );
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var assert = require( 'assert' ),
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propParse = require( '../lib/util' ).propParse;
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var data = {
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// scalars (properties)
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propStr: 'string',
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propBool: true,
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propInt: 1,
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propFloat: 1.23,
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// array (property)
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propArray: [],
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// object (property)
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propObj: {},
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// concrete method
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method: function() {},
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};
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var props = {},
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methods = {};
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propParse( data, {
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property: function( name, value )
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{
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props[ name ] = value;
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},
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// concrete method
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method: function( name, method )
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{
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methods[ name ] = method;
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},
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} );
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// ensure properties were properly recognized
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[ 'propStr', 'propBool', 'propInt', 'propFloat', 'propArray', 'propObj' ]
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.forEach( function( item )
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{
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assert.equal(
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props[ item ],
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data[ item ],
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"Property parser properly detects class properties"
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);
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});
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assert.equal(
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methods.method,
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data.method,
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"Property parser properly detects methods"
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);
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