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path.js
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path.js
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/**
* @author Youssef Hamid
*/
const { path, pathOr, reduce, concat } = require('kyanite')
// Examples
const userObject = {
name: {
firstName: 'Will',
lastName: 'Smith'
}
}
console.log(
"path(['name', 'middleName'], userObject) => ",
path(['name', 'middleName'], userObject)
)
console.log('-----------------------------------------------------------')
console.log(
"pathOr('No Middle Name', ['name', 'middleName'], userObject) => ",
pathOr('No Middle Name', ['name', 'middleName'], userObject)
)
const userArray = [
{
name: {
firstName: 'Will',
lastName: 'Smith'
}
},
{
name: {
firstName: 'Tommy',
middleName: 'Lee',
lastName: 'Jones'
}
},
{
name: {
firstName: 'Hillary',
middleName: 'Rodham',
lastName: 'Clinton'
}
}
]
console.log('-----------------------------------------------------------')
console.log(
reduce(
(el, acc) => {
const middle = pathOr('N/A', ['name', 'middleName'], el)
if (middle !== 'N/A') {
return concat(middle, acc)
}
return acc
},
[],
userArray
)
)
console.log('-----------------------------------------------------------')
console.log(
reduce(
(el, acc) => {
const middle = path(['name', 'middleName'], el)
return concat(middle, acc)
},
[],
userArray
)
)