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object-resolve-path

1.1.0
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  • License MIT

a simple utility function for getting a value at a path from an object with all the usecases properly covered

Package Exports

  • object-resolve-path

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (object-resolve-path) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

object-resolve-path

a simple utility function for getting a value at a path from an object with all the usecases properly covered. Based on Path pseodoclass from https://github.com/Polymer/observe-js/blob/7e94bb14d7c44b221af7bcc874cf9898f26747d8/src/observe.js#L305

Install

npm i object-resolve-path

Usage

var resolvePath = require('object-resolve-path');
resolvePath(someObject, 'a.b[0]');	//returns first property from b from a from someObject
resolvePath(someObject, 'a["b-a"][0]');	//this works as well, thanks to the parser/statemachine

Typical usecase?

Most other libraries for accessing deeply nested properties of an object don't work with bracket syntax. This one does work with bracket syntax.

For thorough description, check the tests.

Similar modules:

https://github.com/deoxxa/dotty (works only for dots)

https://github.com/Ntran013/dot-access (works only for dots)

https://github.com/substack/js-traverse (much more complex and useful)