21 lines
586 B
JavaScript
21 lines
586 B
JavaScript
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// From https://raw.githubusercontent.com/nikoskalogridis/deep-freeze/fb921b32064dce1645197be2bf975fe0385450b0/index.js
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// which is sadly, no longer maintained
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module.exports = function deepFreeze (o) {
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if (o) {
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Object.freeze(o);
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Object.getOwnPropertyNames(o).forEach(function (prop) {
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if (o.hasOwnProperty(prop)
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&& o[prop] !== null
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&& (typeof o[prop] === 'object' || typeof o[prop] === 'function')
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&& (o[prop].constructor !== Buffer)
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&& !Object.isFrozen(o[prop])) {
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deepFreeze(o[prop]);
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}
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});
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}
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return o;
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};
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