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export const findDeep = (data, pathArr, fallback) => { | |
const len = pathArr.length | |
for (let i = 0; i < len; i++) { | |
let path = pathArr[i] | |
if ( | |
Array.isArray(data[path]) || | |
findDeep.isObject(data[path]) || | |
typeof data[path] === 'string' | |
) { | |
if (i === len - 1) { | |
return data[path] | |
} | |
data = data[path] | |
} else { | |
return fallback | |
} | |
} | |
} | |
findDeep.isObject = obj => obj && typeof obj === 'object' | |
/* Ex. | |
var secondQuery = findDeep( | |
result, | |
[ | |
"GoodreadsResponse", | |
"search", | |
0, | |
"results", | |
0, | |
"work", | |
0, | |
"best_book", | |
0, | |
"title", | |
0, | |
], | |
false | |
); | |
*/ |
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