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¿Cómo hago un bucle a través de la clave y los valores de verificación de objetos de Javascript?

Tengo un objeto Javascript:

 const mapping = { 'Mind Management': { type: 'average', linked_topics: ['Digital Detox', 'Small Scaling', 'Simplexity'], edge: 'Zeroed Out' }, 'Ancient Wisdom': { type: 'direct', edge: 'Roots Revival' } };

Quiero iterar a través de este objeto y verificar si la key o los linked_topics (si están presentes) del objeto coinciden con un valor de cadena.

const stringToBeMatched = 'Simplexity'

Código que probé:

 for (var key in mapping) { if(key === stringToBeMatched || mapping[key].linked_topics.includes(stringToBeMatched) ) { console.log(`found ${stringToBeMatched} in ${key}`); } }

Recibo el siguiente error de eslint con esto:

 ESLint: for..in loops iterate over the entire prototype chain, which is virtually never what you want. Use Object.{keys,values,entries}, and iterate over the resulting array.(no-restricted-syntax)

¿Cómo se puede arreglar esto? ¿Hay alguna forma mejor de lograr esto sin usar for..in?

about 4 years ago · Juan Pablo Isaza
3 answers
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0

Puede obtener solo las claves usando Object.keys

 const keys = Object.keys(mapping); keys.forEach((key) => { if(key === stringToBeMatched || mapping[key].linked_topics.includes(stringToBeMatched) ) { console.log(`found ${stringToBeMatched} in ${key}`); } })
about 4 years ago · Juan Pablo Isaza Report

0

Utilice las entradas sugeridas por ESLint. usé ?. en lugar . después de la propiedad "linked_topics" para evitar que Cannot read properties of undefined (reading 'includes') cuando no existe una propiedad llamada linked_topics.

 const stringToBeMatched = 'Simplexity' Object.entries(mapping).forEach(([key, value]) => { if(key === stringToBeMatched || value.linked_topics?.includes(stringToBeMatched) ) { console.log(`found ${stringToBeMatched} in ${key}`); } })
about 4 years ago · Juan Pablo Isaza Report

0

Buena respuesta de @doctorgu, también podrías tener algunos .

 const string = 'Simplexity' const mapping = { 'Mind Management': { type: 'average', linked_topics: ['Digital Detox', 'Small Scaling', 'Simplexity'], edge: 'Zeroed Out' }, 'Ancient Wisdom': { type: 'direct', edge: 'Roots Revival' } } const isStringInMapping = Object.entries(mapping).some(([key, value]) => ( key == string || value.linked_topics?.includes(string) )) console.log(isStringInMapping)

about 4 years ago · Juan Pablo Isaza Report
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