flat

Take a nested Javascript object and flatten it, or unflatten an object with delimited keys

v6.0.1 URL: https://unpkg.com/flat@6.0.1/index.js

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flat json flatten unflatten split object nested

safe-flat

Safely flatten a nested JavaScript object.

v2.1.0 URL: https://unpkg.com/safe-flat@2.1.0/src/index.js

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flat flatten json nested object safe serialize unflatten

convict

Featureful configuration management library for Node.js (nested structure, schema validation, etc.)

v6.2.4 URL: https://unpkg.com/convict@6.2.4/src/main.js

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configuration config conf key value store schema nested validation customize env environment json yaml toml

deep-map-keys

Transforms nested keys of complex objects

v2.0.1 URL: https://unpkg.com/deep-map-keys@2.0.1/lib/index.js

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map keys deep recursive nested object array circular json typescript typings

error-to-json

Returns a JSON representation of an error (handles nested errors and calls nested toJSONs)

v2.0.1 URL: https://unpkg.com/error-to-json@2.0.1/dist/cjs/index.js

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error tojson to json return nested errortojson err errtojson