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36 lines
1.1 KiB
36 lines
1.1 KiB
4 months ago
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import { isNonNullObject } from "./objects.js";
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function deepFreeze(value) {
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var workSet = new Set([value]);
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workSet.forEach(function (obj) {
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if (isNonNullObject(obj) && shallowFreeze(obj) === obj) {
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Object.getOwnPropertyNames(obj).forEach(function (name) {
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if (isNonNullObject(obj[name]))
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workSet.add(obj[name]);
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});
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}
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});
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return value;
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}
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function shallowFreeze(obj) {
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if (globalThis.__DEV__ !== false && !Object.isFrozen(obj)) {
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try {
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Object.freeze(obj);
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}
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catch (e) {
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// Some types like Uint8Array and Node.js's Buffer cannot be frozen, but
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// they all throw a TypeError when you try, so we re-throw any exceptions
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// that are not TypeErrors, since that would be unexpected.
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if (e instanceof TypeError)
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return null;
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throw e;
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}
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}
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return obj;
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}
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export function maybeDeepFreeze(obj) {
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if (globalThis.__DEV__ !== false) {
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deepFreeze(obj);
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}
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return obj;
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}
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//# sourceMappingURL=maybeDeepFreeze.js.map
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