27 lines
723 B
TypeScript
27 lines
723 B
TypeScript
/**
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* Traverses and rewrites an object recursively.
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*
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* @param obj - The object to traverse and rewrite.
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* @param rewrite - The function to apply for rewriting each value.
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* @returns The rewritten object.
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*/
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export function traverseAndRewriteJSON(
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obj: any,
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rewrite: (val: any) => any,
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): any {
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// Apply rewrite to object as a whole
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obj = rewrite(obj);
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// Recurse down if this is an array or a "plain object"
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if (
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obj && Array.isArray(obj) ||
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(typeof obj === "object" && obj.constructor === Object)
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) {
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const keys = Object.keys(obj);
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for (let i = 0; i < keys.length; i++) {
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const key = keys[i];
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obj[key] = traverseAndRewriteJSON(obj[key], rewrite);
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}
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}
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return obj;
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}
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