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20792f5455
* try to freeze content object * deep freeze the content object, start to implement stable * freeze at the /common level * go back to freezing content only on the client * use deep-frezze-strict to support phantomjs * use own version of deepFreeze * update comment about deepFreeze
21 lines
642 B
JavaScript
21 lines
642 B
JavaScript
// Code taken from https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze
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// and adapted
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export default function deepFreeze (obj) {
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// Retrieve the property names defined on obj
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const propNames = Object.getOwnPropertyNames(obj);
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const propNamesLength = propNames.length;
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// Freeze properties before freezing self
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for (let i = 0; i < propNamesLength; i++) {
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const prop = obj[propNames[i]];
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// Freeze prop if it is an object
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if (typeof prop === 'object' && prop !== null) {
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deepFreeze(prop);
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}
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}
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// Freeze self (no-op if already frozen)
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return Object.freeze(obj);
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}
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