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API/src/utils/object-transform.util.ts

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TypeScript

function camelToSnake(str: string): string {
return str.replace(/[A-Z]/g, letter => `_${letter.toLowerCase()}`);
}
function snakeToCamel(str: string): string {
return str.replace(/(_[\w])/g, (match) =>
match[1].toUpperCase()
);
}
export function convertKeysFromSnakeToCamel<T>(obj: T): T {
if (Array.isArray(obj)) {
return obj.map(convertKeysFromSnakeToCamel) as unknown as T;
} else if (obj !== null && typeof obj === 'object') {
return Object.keys(obj).reduce((acc, key) => {
const newKey = snakeToCamel(key);
acc[newKey] = convertKeysFromSnakeToCamel((obj as any)[key]);
return acc;
}, {} as any);
}
return obj;
}
export function convertKeysFromCamelToSnake<T>(obj: T): T {
if (Array.isArray(obj)) {
return obj.map(convertKeysFromCamelToSnake) as unknown as T;
} else if (obj !== null && typeof obj === 'object') {
return Object.keys(obj).reduce((acc, key) => {
const newKey = camelToSnake(key);
acc[newKey] = convertKeysFromCamelToSnake((obj as any)[key]);
return acc;
}, {} as any);
}
return obj;
}