sync-json

Keep JSON files (or parts of them) in sync.

This module can be used to sync properties of config files like package.json or bower.json

$ sync-json -v --property version --source package.json app/package.json app/bower.json
Synchronising [version] from package.json...
 ✔ app/package.json
 ✔ app/bower.json
Successfully synchronised

Installation

npm install -g sync-json

Alternatively it can be installed locally as a dependency with

npm install --save-dev sync-json

Usage

CLI

$ sync-json --help
Usage: sync-json [-p <property> | -i <field>] -s <source> <dest-files...>

Files to sync:
  -s, --source   Source file                                 [string] [required]
  -t, --targets  Target file(s)                                          [array]

Properties to sync:
  -p, --property, --properties  Each property to sync from source       [string]
  -i, --implicit                Replaces "-p". Read the properties from a field
                                of source

Options:
  -v, --verbose  Output messages on success                            [boolean]
  -h, --help     Show help                                             [boolean]
  --version      Show version number                                   [boolean]

Module

If installed as a dependency sync-json could be required as a module that exposes a single function syncJson:

const syncJson = require('sync-json');

API

- syncJson(src, dst[, props], callback)

Arguments:

1. src <string> | <object>: The path to the source JSON or a JS object.
2. dst <string> | [<string>]: Path or array of paths to the destination files.
3. props <string> | [<string>]: Optional. List of properties from the source object to copy to the destionation files. If not specified, it will synchronise the whole src object. If specified a single <string> it will use it as a field on source from where to read the props object.
4. callback <function>: nodejs style callback.

syncJson( 'package.json', ['app/package.json', 'app/bower.json'], ['version', 'contributors'], function(err){ ... });

License

Copyright (c) 2016 Josan Coba. Licensed under the MIT License (see LICENSE).