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swashcap/reselect-and-get.js

Created June 18, 2019 23:05
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reselect-and-get.js
const assert = require('assert')
const get = require('lodash/fp/get')
const { createSelector } = require('reselect')
const list = get('list')
const getId = createSelector(
list,
get('id')
)
assert.equal(getId(), undefined)
assert.equal(getId({}), undefined)
assert.equal(getId({ list: '' }), undefined)
assert.equal(getId({ list: {} }), undefined)
assert.equal(getId({ list: { id: 'bananas' } }), 'bananas')
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