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set-value

Create nested values and any intermediaries using dot notation ('a.b.c') paths.

Install

Install with npm:

$ npm install --save set-value

Usage

var set = require('set-value');
set(object, prop, value);

Params

object {object}: The object to set value on
prop {string}: The property to set. Dot-notation may be used.
value {any}: The value to set on object[prop]

Examples

Updates and returns the given object:

var obj = {};
set(obj, 'a.b.c', 'd');
console.log(obj);
//=> { a: { b: { c: 'd' } } }

Escaping

Escaping with backslashes

Prevent set-value from splitting on a dot by prefixing it with backslashes:

console.log(set({}, 'a\\.b.c', 'd'));
//=> { 'a.b': { c: 'd' } }

console.log(set({}, 'a\\.b\\.c', 'd'));
//=> { 'a.b.c': 'd' }

Escaping with double-quotes or single-quotes

Wrap double or single quotes around the string, or part of the string, that should not be split by set-value:

console.log(set({}, '"a.b".c', 'd'));
//=> { 'a.b': { c: 'd' } }

console.log(set({}, "'a.b'.c", "d"));
//=> { 'a.b': { c: 'd' } }

console.log(set({}, '"this/is/a/.file.path"', 'd'));
//=> { 'this/is/a/file.path': 'd' }

Bracket support

set-value does not split inside brackets or braces:

console.log(set({}, '[a.b].c', 'd'));
//=> { '[a.b]': { c: 'd' } }

console.log(set({}, "(a.b).c", "d"));
//=> { '(a.b)': { c: 'd' } }

console.log(set({}, "<a.b>.c", "d"));
//=> { '<a.b>': { c: 'd' } }

console.log(set({}, "{a..b}.c", "d"));
//=> { '{a..b}': { c: 'd' } }

History

v2.0.0

Adds support for escaping with double or single quotes. See escaping for examples.
Will no longer split inside brackets or braces. See bracket support for examples.

If there are any regressions please create a bug report. Thanks!

About

Related projects

assign-value: Assign a value or extend a deeply nested property of an object using object path… more | homepage
get-value: Use property paths (a.b.c) to get a nested value from an object. | homepage to get a nested value from an object.")
has-value: Returns true if a value exists, false if empty. Works with deeply nested values using… more | homepage
merge-value: Similar to assign-value but deeply merges object values or nested values using object path/dot notation. | homepage
omit-value: Omit properties from an object or deeply nested property of an object using object path… more | homepage
set-value: Create nested values and any intermediaries using dot notation ('a.b.c') paths. | homepage paths.")
union-value: Set an array of unique values as the property of an object. Supports setting deeply… more | homepage
unset-value: Delete nested properties from an object using dot notation. | homepage

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

Contributors

| Commits | Contributor | | --- | --- | | 59 | jonschlinkert | | 1 | vadimdemedes | | 1 | wtgtybhertgeghgtwtg |

Building docs

(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)

To generate the readme, run the following command:

$ npm install -g verbose/verb#dev verb-generate-readme && verb

Running tests

Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:

$ npm install && npm test

Author

Jon Schlinkert

License

This file was generated by verb-generate-readme, v0.6.0, on June 21, 2017.

README.md