ordered-object

0.2.3 • Public • Published

ordered-object

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An experimental module to maintain the order of object properties.

Installation

npm install ordered-object

Usage

const orderedObject = require("ordered-json");

const obj = {a: 1, b: 2, c: 3};
Object.values(obj); // [1, 2, 3]

const obj2 = orderedObject.create(obj, ["c", "b", "a"]);
Object.values(obj2); // [3, 2, 1]

API reference

create(object, keys = Object.keys(object), unordered = null): OrderedObject

Return an object whose keys are ordered.

  • object: an object, which can also be an ordered-keys object (proxy).

  • keys: keys of the object. If object has a property which is not included in keys, Object.keys(OrderedObject) won't contain the property either. However it can still be accessed from OrderedObject.property.

  • unordered: if provided, do some extra normalization to unordered properties (i.e. not occured in keys). Possible values are:

    • trim: trim unordered properties.

    • start: move unordered properties to the start.

    • end: move unordered properties to the end.

    • keep: keep the position (index) of unordered properties. With this option, you can only reorder the properties occured in keys. For example:

      const obj = create({a: 1, b: 2, c: 3}, ["c", "a"], "keep");
      Object.keys(obj); // ["c", "b", "a"]

wrap(object): OrderedObject

Recursively convert entire object into OrderedObject with create.

Notes

Changelog

  • 0.2.3 (May 27, 2019)

    • Fix: remove useless stuff in the package.
  • 0.2.2 (May 27, 2019)

    • Fix: type error when sending null value to wrap.
  • 0.2.1 (May 6, 2018)

    • Fix: some keys are stripped if Object.keys(obj).length > order.length and unordered == "keep".
    • Fix: use a set to avoid duplicated keys.
  • 0.2.0 (Dec 23, 2017)

    • Add: unordered argument to create().
    • Change: Always create a new object in create().
    • Remove __raw__ property.
  • 0.1.0 (Dec 14, 2017)

    • First release.

/ordered-object/

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    npm i ordered-object

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    Version

    0.2.3

    License

    MIT

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