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150 lines
6.3 KiB
150 lines
6.3 KiB
# set-value [](https://www.npmjs.com/package/set-value) [](https://npmjs.org/package/set-value) [](https://npmjs.org/package/set-value) [](https://travis-ci.org/jonschlinkert/set-value) |
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> Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. |
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## Install |
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Install with [npm](https://www.npmjs.com/): |
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```sh |
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$ npm install --save set-value |
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``` |
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## Usage |
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```js |
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var set = require('set-value'); |
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set(object, prop, value); |
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``` |
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### Params |
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* `object` **{object}**: The object to set `value` on |
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* `prop` **{string}**: The property to set. Dot-notation may be used. |
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* `value` **{any}**: The value to set on `object[prop]` |
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## Examples |
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Updates and returns the given object: |
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```js |
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var obj = {}; |
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set(obj, 'a.b.c', 'd'); |
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console.log(obj); |
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//=> { a: { b: { c: 'd' } } } |
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``` |
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### Escaping |
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**Escaping with backslashes** |
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Prevent set-value from splitting on a dot by prefixing it with backslashes: |
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```js |
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console.log(set({}, 'a\\.b.c', 'd')); |
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//=> { 'a.b': { c: 'd' } } |
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console.log(set({}, 'a\\.b\\.c', 'd')); |
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//=> { 'a.b.c': 'd' } |
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``` |
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**Escaping with double-quotes or single-quotes** |
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Wrap double or single quotes around the string, or part of the string, that should not be split by set-value: |
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```js |
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console.log(set({}, '"a.b".c', 'd')); |
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//=> { 'a.b': { c: 'd' } } |
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console.log(set({}, "'a.b'.c", "d")); |
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//=> { 'a.b': { c: 'd' } } |
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console.log(set({}, '"this/is/a/.file.path"', 'd')); |
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//=> { 'this/is/a/file.path': 'd' } |
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``` |
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### Bracket support |
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set-value does not split inside brackets or braces: |
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```js |
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console.log(set({}, '[a.b].c', 'd')); |
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//=> { '[a.b]': { c: 'd' } } |
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console.log(set({}, "(a.b).c", "d")); |
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//=> { '(a.b)': { c: 'd' } } |
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console.log(set({}, "<a.b>.c", "d")); |
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//=> { '<a.b>': { c: 'd' } } |
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console.log(set({}, "{a..b}.c", "d")); |
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//=> { '{a..b}': { c: 'd' } } |
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``` |
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## History |
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### v2.0.0 |
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* Adds support for escaping with double or single quotes. See [escaping](#escaping) for examples. |
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* Will no longer split inside brackets or braces. See [bracket support](#bracket-support) for examples. |
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If there are any regressions please create a [bug report](../../issues/new). Thanks! |
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## About |
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### Related projects |
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* [assign-value](https://www.npmjs.com/package/assign-value): Assign a value or extend a deeply nested property of an object using object path… [more](https://github.com/jonschlinkert/assign-value) | [homepage](https://github.com/jonschlinkert/assign-value "Assign a value or extend a deeply nested property of an object using object path notation.") |
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* [get-value](https://www.npmjs.com/package/get-value): Use property paths (`a.b.c`) to get a nested value from an object. | [homepage](https://github.com/jonschlinkert/get-value "Use property paths (`a.b.c`) to get a nested value from an object.") |
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* [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://github.com/jonschlinkert/has-value) | [homepage](https://github.com/jonschlinkert/has-value "Returns true if a value exists, false if empty. Works with deeply nested values using object paths.") |
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* [merge-value](https://www.npmjs.com/package/merge-value): Similar to assign-value but deeply merges object values or nested values using object path/dot notation. | [homepage](https://github.com/jonschlinkert/merge-value "Similar to assign-value but deeply merges object values or nested values using object path/dot notation.") |
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* [omit-value](https://www.npmjs.com/package/omit-value): Omit properties from an object or deeply nested property of an object using object path… [more](https://github.com/jonschlinkert/omit-value) | [homepage](https://github.com/jonschlinkert/omit-value "Omit properties from an object or deeply nested property of an object using object path notation.") |
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* [set-value](https://www.npmjs.com/package/set-value): Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths. | [homepage](https://github.com/jonschlinkert/set-value "Create nested values and any intermediaries using dot notation (`'a.b.c'`) paths.") |
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* [union-value](https://www.npmjs.com/package/union-value): Set an array of unique values as the property of an object. Supports setting deeply… [more](https://github.com/jonschlinkert/union-value) | [homepage](https://github.com/jonschlinkert/union-value "Set an array of unique values as the property of an object. Supports setting deeply nested properties using using object-paths/dot notation.") |
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* [unset-value](https://www.npmjs.com/package/unset-value): Delete nested properties from an object using dot notation. | [homepage](https://github.com/jonschlinkert/unset-value "Delete nested properties from an object using dot notation.") |
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### Contributing |
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Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new). |
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### Contributors |
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| **Commits** | **Contributor** | |
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| --- | --- | |
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| 59 | [jonschlinkert](https://github.com/jonschlinkert) | |
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| 1 | [vadimdemedes](https://github.com/vadimdemedes) | |
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| 1 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) | |
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### Building docs |
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_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_ |
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To generate the readme, run the following command: |
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```sh |
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$ npm install -g verbose/verb#dev verb-generate-readme && verb |
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``` |
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### Running tests |
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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: |
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```sh |
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$ npm install && npm test |
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``` |
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### Author |
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**Jon Schlinkert** |
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* [github/jonschlinkert](https://github.com/jonschlinkert) |
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* [twitter/jonschlinkert](https://twitter.com/jonschlinkert) |
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### License |
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Copyright © 2017, [Jon Schlinkert](https://github.com/jonschlinkert). |
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Released under the [MIT License](LICENSE). |
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*** |
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_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on June 21, 2017._ |