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November 3, 2023 01:19
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Flatten JS Object Keys
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| function flatten(obj) { | |
| const result = {}; | |
| for (const key of Object.keys(obj)) { | |
| if (typeof obj[key] === 'object') { | |
| const nested = flatten(obj[key]); | |
| for (const nestedKey of Object.keys(nested)) { | |
| result[`${key}.${nestedKey}`] = nested[nestedKey]; | |
| } | |
| } else { | |
| result[key] = obj[key]; | |
| } | |
| } | |
| return result; | |
| } |
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Example Input:
{ "first_name": "validations.required", "no_middle_name": "validations.required", "last_name": "validations.required", "dob": "validations.required", "citizenship": "validations.required", "citizenship_identity": { "name": "validations.required", "value": "validations.required" }, "address": [ { "country_code": "validations.required", "street": "validations.required", "city": "validations.required", "state": "validations.required", "zipcode": "validations.required", "start_date": "validations.required", "end_date": "validations.required" }, { "country_code": "validations.required", "street": "validations.required", "city": "validations.required", "state": "validations.required", "zipcode": "validations.required", "start_date": "validations.required", "end_date": "validations.required" } ] }Example Output:
const flattenedOutput = flatten(inputObj);{ "first_name": "validations.required", "no_middle_name": "validations.required", "last_name": "validations.required", "dob": "validations.required", "citizenship": "validations.required", "citizenship_identity.name": "validations.required", "citizenship_identity.value": "validations.required", "address.0.country_code": "validations.required", "address.0.street": "validations.required", "address.0.city": "validations.required", "address.0.state": "validations.required", "address.0.zipcode": "validations.required", "address.0.start_date": "validations.required", "address.0.end_date": "validations.required", "address.1.country_code": "validations.required", "address.1.street": "validations.required", "address.1.city": "validations.required", "address.1.state": "validations.required", "address.1.zipcode": "validations.required", "address.1.start_date": "validations.required", "address.1.end_date": "validations.required" }