An alternative of list-to-tree-lite by sinnbo.com.

list-to-tree-lite

A simple function converts a flat-list of objects with id, parent and children to a tree-list of objects.
without any dependencies.

[{
    id: 6,
    any: 'opps'
}, {
    id: 2,
    parent: 5,
    any: 'foo',
}, {
    id: 1,
    parent: 2,
    any: 'bar'
}, {
    id: 5,
    any: 'hello'
}, {
    id: 3,
    parent: 2,
    any: 'other'
}]

to

[{
    id: 6,
    any: 'opps',
    children: []
}, {
    id: 5,
    any: 'hello',
    children: [{
        id: 2,
        parent: 5,
        any: 'foo',
        children: [{
            id: 1,
            parent: 2,
            any: 'bar',
            children: []
        }, {
            id: 3,
            parent: 2,
            any: 'other',
            children: []
        }]
    }]
}]

Usage

listToTree(list[, options])

options.idKey
the id key of the item object, default id

options.parentKey
the parent key of the item object, default parent

options.childrenKey
the children key of the item object, default children

options.mustChild
用于控制子节点为空数组时，节点本身是否显示children属性，为true时显示空数组，反之不显示

Install

npm install list-to-tree-lite-sinnbo --save

Test

npm run test

License

MIT:http://william17.mit-license.org