67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
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import { isPlainObject } from "../predicate/isPlainObject.mjs";
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import { isArray } from "../compat/predicate/isArray.mjs";
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import { camelCase } from "../string/camelCase.mjs";
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//#region src/object/toCamelCaseKeys.ts
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/**
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* Creates a new object composed of the properties with keys converted to camelCase.
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*
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* This function takes an object and returns a new object that includes the same properties,
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* but with all keys converted to camelCase format.
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*
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* @template T - The type of object.
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* @param {T} obj - The object to convert keys from.
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* @returns {ToCamelCaseKeys<T>} A new object with all keys converted to camelCase.
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*
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* @example
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* // Example with objects
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* const obj = { user_id: 1, first_name: 'John' };
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* const result = toCamelCaseKeys(obj);
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* // result will be { userId: 1, firstName: 'John' }
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*
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* // Example with arrays of objects
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* const arr = [
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* { user_id: 1, first_name: 'John' },
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* { user_id: 2, first_name: 'Jane' }
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* ];
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* const arrResult = toCamelCaseKeys(arr);
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* // arrResult will be [{ userId: 1, firstName: 'John' }, { userId: 2, firstName: 'Jane' }]
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*
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* // Example with nested objects
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* const nested = {
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* user_data: {
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* user_id: 1,
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* user_address: {
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* street_name: 'Main St',
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* zip_code: '12345'
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* }
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* }
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* };
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* const nestedResult = toCamelCaseKeys(nested);
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* // nestedResult will be:
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* // {
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* // userData: {
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* // userId: 1,
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* // userAddress: {
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* // streetName: 'Main St',
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* // zipCode: '12345'
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* // }
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* // }
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* // }
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*/
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function toCamelCaseKeys(obj) {
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if (isArray(obj)) return obj.map((item) => toCamelCaseKeys(item));
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if (isPlainObject(obj)) {
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const result = {};
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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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const camelKey = camelCase(key);
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result[camelKey] = toCamelCaseKeys(obj[key]);
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}
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return result;
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}
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return obj;
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}
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//#endregion
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export { toCamelCaseKeys };
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