acdc/lib/tasks/jsonPointer/set.js

JavaScript object transformation

var debug = require('debug')('acdc:tasks:jsonPointer:set')
var Joi = require('joi')
var pointer = require('json-pointer')
var schemas = require('../../schemas')

module.exports = {
    fn: function set(input, ctx, cb) {
        debug('Setting %s to %s', ctx.params.path, input)
        var value = ctx.params.hasOwnProperty('value') ? ctx.params.value : input
        var output = {}
        pointer.set(output, ctx.params.path, value)
        cb(null, output)
    },
    schema: schemas.context.keys({
        params: Joi.object().keys({
            path: Joi.string(),
            value: Joi.any().optional()
        })
    }).meta({
        description: 'Sets a property in a new document using a json pointer',
        usage: 'set("/customer/contact/name")'
    })
}