deependr v0.2.1

Deependr

Dependency injection with nested contexts.

Installation

assumes node > v4.0.0

npm i --save deependr

Basic Usage

const deependr = require('deependr')
const components = deependr.components

let globals = deependr.container({
  globalValue: 'some global value'
})

let container = deependr.container({
  value: 'some value',
  computedValue: components.factory(context => context.innerValue, {
    innerValue: 'some inner value'
  }),
  referenceValue: components.link(globals, 'globalValue'),
  nestedContainer: {
    nestedValue: 'some nested value'
  }
})

console.log(container.value) // 'some value'
console.log(container.computedValue) // 'some inner value'
console.log(container.referenceValue) // 'some global value'
console.log(container.nestedContainer.nestedValue) // 'some nested value'

container.unwrapPath('computedValue').set('innerValue', 'other inner value')
console.log(container.computedValue) // 'other inner value'

See also test/usecase.test for a more complex example

TODO

• simplify API
  • remove unwrapPath and make unwrap generic
  • make set and get accept nested paths
  • maybe remove store, define, link if set is enough
• write API docs
• make contexts lazy
• add CI