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Cómo verificar si algún elemento en el objeto coincide con alguna clave en otra matriz

Quiero ver si algún elemento en arr2 coincide con alguna clave de nivel superior de arr1 (formularios o activos).

Primera matriz:

 const arr1 = {
 forms: {
 permissions: {
 create: true,
 edit: true,
 delete: true,
 },
 },
 assets: {
 permissions: {
 create: true,
 edit: true,
 delete: true,
 },
 },
};

Segunda matriz:

 const arr2 = ["assets", "media"];

He intentado esto:

 if (arr2 in arr1) {
 console.log("key is in contained in object");
}

Pero esto solo funciona cuando solo hay un elemento en arr2 .

almost 4 years ago · Santiago Trujillo
2 answers
Answer question

0

Para la matriz, use Array#some con una prueba usando Object#hasOwnProperty .

Para los objetos, no necesita enumerar las claves del objeto (O(n)): puede realizar una prueba directa de la presencia de una clave (O(1)).

 const o = {
 forms: {
 permissions: {
 create: true,
 edit: true,
 delete: true,
 },
 },
 assets: {
 permissions: {
 create: true,
 edit: true,
 delete: true,
 },
 },
}

const arr = ["assets", "media"]

console.log(arr.some((k) => o.hasOwnProperty(k))) // true

almost 4 years ago · Santiago Trujillo Report

0

Puede obtener una matriz de las claves de nivel superior del objeto y luego verificar si alguna de ellas está incluida en la otra matriz.

Al igual que:

 const arr1 = {
 forms: {
 permissions: {
 create: true,
 edit: true,
 delete: true,
 },
 },
 assets: {
 permissions: {
 create: true,
 edit: true,
 delete: true,
 },
 },
};

const arr2 = ["assets", "media"];

function hasSomeTopLevelKey(object, arrayOfKeys) {
 return Object.keys(object)
 .some(topLevelKey => arrayOfKeys.includes(topLevelKey));
}

const x = hasSomeTopLevelKey(arr1, arr2)
console.log(x)

almost 4 years ago · Santiago Trujillo Report
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