Deep merge objects

Himanshu Jangid answered on January 9, 2024 Popularity 6/10 Helpfulness 1/10

answer Deep merge objects

related Deep merge objects

Deep merge objects

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const deepMerge = (a, b, fn) =>
  [...new Set([...Object.keys(a), ...Object.keys(b)])].reduce(
    (acc, key) => ({ ...acc, [key]: fn(key, a[key], b[key]) }),
    {}
  );

deepMerge(
  { a: true, b: { c: [1, 2, 3] } },
  { a: false, b: { d: [1, 2, 3] } },
  (key, a, b) => (key === 'a' ? a && b : Object.assign({}, a, b))
);
// { a: false, b: { c: [ 1, 2, 3 ], d: [ 1, 2, 3 ] } }

Popularity 6/10 Helpfulness 1/10 Language javascript

Source: www.30secondsofcode.org

Tags: javascript merge

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Contributed on Jan 09 2024

Himanshu Jangid

0 Answers Avg Quality 2/10

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Deep merge objects

Comment

const deepMerge = (a, b, fn) =>
  [...new Set([...Object.keys(a), ...Object.keys(b)])].reduce(
    (acc, key) => ({ ...acc, [key]: fn(key, a[key], b[key]) }),
    {}
  );

deepMerge(
  { a: true, b: { c: [1, 2, 3] } },
  { a: false, b: { d: [1, 2, 3] } },
  (key, a, b) => (key === 'a' ? a && b : Object.assign({}, a, b))
);
// { a: false, b: { c: [ 1, 2, 3 ], d: [ 1, 2, 3 ] } }

Popularity 6/10 Helpfulness 3/10 Language javascript

Source: www.30secondsofcode.org

Tags: merge javascript

Link to this answer
Share Copy Link

Contributed on Jan 09 2024

Himanshu Jangid

0 Answers Avg Quality 2/10

Deep merge objects

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Deep merge objects

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Deep merge objects

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