Current File : //proc/985914/root/data/old/home/stash/atlassian-stash/static/util/object.js
define('util/object', [
'exports'
], function(
exports
) {
function identity(a) { return a; }
var has = Object.prototype.hasOwnProperty;
/**
* Calls Object.freeze in browsers that support freezing
*
* @function
*/
exports.freeze = Object.freeze || identity;
/**
* Recursively calls Object.freeze in browsers that support freezing
*
* @function
* @param {*} o - the object to recursively freeze
* @param {boolean} [refreezeFrozen=false] - When true, will recurse through the properties of any objects that are
* already frozen. When false, will stop at the frozen object. The former
* may hit a stack overflow if there are circular references, and the latter
* may leave sub-objects unfrozen.
*/
exports.deepFreeze = !Object.freeze ? identity : function deepFreeze(o, refreezeFrozen) {
if (o !== null && typeof o === 'object') {
var isFrozen = Object.isFrozen(o);
if (!isFrozen) {
Object.freeze(o);
}
if (!isFrozen || refreezeFrozen) {
for (var k in o) {
if (has.call(o, k)) {
deepFreeze(o[k]);
}
}
}
}
return o;
};
});
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