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61 lines
1.9 KiB
JavaScript
61 lines
1.9 KiB
JavaScript
15 years ago
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dojo.provide("dojox.lang.utils");
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(function(){
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var empty = {}, du = dojox.lang.utils;
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var clone = function(o){
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if(dojo.isArray(o)){
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return dojo._toArray(o);
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}
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if(!dojo.isObject(o) || dojo.isFunction(o)){
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return o;
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}
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return dojo.delegate(o);
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}
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dojo.mixin(du, {
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coerceType: function(target, source){
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switch(typeof target){
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case "number": return Number(eval("(" + source + ")"));
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case "string": return String(source);
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case "boolean": return Boolean(eval("(" + source + ")"));
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}
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return eval("(" + source + ")");
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},
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updateWithObject: function(target, source, conv){
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// summary: updates an existing object in place with properties from an "source" object.
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// target: Object: the "target" object to be updated
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// source: Object: the "source" object, whose properties will be used to source the existed object.
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// conv: Boolean?: force conversion to the original type
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if(!source){ return target; }
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for(var x in target){
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if(x in source && !(x in empty)){
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var t = target[x];
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if(t && typeof t == "object"){
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du.updateWithObject(t, source[x], conv);
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}else{
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target[x] = conv ? du.coerceType(t, source[x]) : clone(source[x]);
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}
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}
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}
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return target; // Object
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},
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updateWithPattern: function(target, source, pattern, conv){
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// summary: updates an existing object in place with properties from an "source" object.
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// target: Object: the "target" object to be updated
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// source: Object: the "source" object, whose properties will be used to source the existed object.
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// pattern: Array: an array of properties to be copied
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// conv: Boolean?: force conversion to the original type
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if(!source || !pattern){ return target; }
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for(var x in pattern){
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if(x in source && !(x in empty)){
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target[x] = conv ? du.coerceType(pattern[x], source[x]) : clone(source[x]);
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}
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}
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return target; // Object
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}
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});
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})();
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