@ehfuse/forma
Version:
Advanced React state management library with individual field subscriptions - supports both forms and general state management with useFormaState
109 lines • 4.59 kB
JavaScript
;
/**
* dotNotation.ts
*
* Forma - Dot notation 관련 유틸리티 함수들 | Dot notation utility functions
* 중첩 객체의 값을 안전하게 가져오고 설정하는 기능 제공 | Provides safe getting and setting of nested object values
*
* @license MIT License
* @copyright 2025 KIM YOUNG JIN (Kim Young Jin)
* @author KIM YOUNG JIN (ehfuse@gmail.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.getNestedValue = getNestedValue;
exports.setNestedValue = setNestedValue;
/**
* dot notation으로 중첩 객체의 값을 가져오는 함수 | Function to get nested object values using dot notation
* @param obj 대상 객체 | Target object
* @param path dot notation 경로 (예: "user.profile.name") | Dot notation path (e.g., "user.profile.name")
* @returns 해당 경로의 값 또는 undefined | Value at the path or undefined
*
* @example
* ```typescript
* const data = { user: { profile: { name: 'John' } } };
* const name = getNestedValue(data, 'user.profile.name'); // 'John'
* ```
*/
function getNestedValue(obj, path) {
if (!path.includes(".")) {
return obj[path];
}
const keys = path.split(".");
let current = obj;
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
if (current === null || current === undefined) {
// 마지막 키가 'length'이고 이전 값이 undefined인 경우 0 반환
if (key === "length" && i === keys.length - 1) {
return 0;
}
return undefined;
}
current = current[key];
}
return current;
}
/**
* dot notation으로 중첩 객체의 값을 설정하는 함수 | Function to set nested object values using dot notation
* 불변성을 유지하면서 새로운 객체를 반환 | Returns a new object while maintaining immutability
* @param obj 대상 객체 | Target object
* @param path dot notation 경로 | Dot notation path
* @param value 설정할 값 | Value to set
* @returns 새로운 객체 | New object
*
* @example
* ```typescript
* const data = { user: { profile: { name: 'John' } } };
* const newData = setNestedValue(data, 'user.profile.name', 'Jane');
* // { user: { profile: { name: 'Jane' } } }
* ```
*/
function setNestedValue(obj, path, value) {
if (!path.includes(".")) {
const result = { ...obj, [path]: value };
return result;
}
const keys = path.split(".");
const result = Array.isArray(obj) ? [...obj] : { ...obj }; // 배열 타입 보존 | Preserve array type
let current = result;
// 마지막 키 전까지 객체 생성/복사 | Create/copy objects until the last key
for (let i = 0; i < keys.length - 1; i++) {
const key = keys[i];
if (current[key] === null ||
current[key] === undefined ||
typeof current[key] !== "object") {
current[key] = {};
console.log(`📝 새 객체 생성: ${key} | Creating new object: ${key}`);
}
else {
// 배열 타입 보존하면서 복사 | Copy while preserving array type
current[key] = Array.isArray(current[key])
? [...current[key]]
: { ...current[key] };
}
current = current[key];
}
// 마지막 키에 값 설정 | Set value to the last key
const lastKey = keys[keys.length - 1];
current[lastKey] = value;
return result;
}
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