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mariabitsch/ducktype.js

Last active August 29, 2015 13:59
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Node modules for basic type checking
Raw
ducktype.js
exports.isKindOf = function(duck, obj) {
var fn = function(obj) {
return Object.getOwnPropertyNames(duck).every(function(name) {
return obj.hasOwnProperty(name);
});
};
return obj === undefined ? fn : fn(obj);
};
Raw
typecheck.js
["Object", "String", "Number", "Boolean", "Array", "Date", "RegExp"].forEach(function(type) {
exports["is" + type] = function(obj) {
return Object.prototype.toString.apply(obj) === "[object " + type + "]";
};
});
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