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dmitry-dedup

v1.0.5

Published

command line lead deduplication in js

Downloads

9

Readme

Dmitry Dedup

A Node Module that accepts a JSON formatted dataset of leads, de-duplicates them, and creates a new data set without duplicates, according to certain prioritization rules.

Caveat

I decided to use some of the ES6 syntax that I am learning in my own time on this project as well; the upshot is that this module wants Node v4 or better. NPM will give you a friendly reminder if you npm install this with a lower version of Node.

Review the Code

The GitHub repo for this module is here

Implementation

To download:

$ npm install -g dmitry-dedup

To use

$ dmitry-dedup <path to leads JSON file> [-n|--no-log]

The module will create a new JSON file adjacent to the passed leads file, named deduplicated-<original file name>.

Additionally, the module will create an additional file logging the changes that it made to the original file, again adjacent to the original file location, and named deduplicated-changeLog.json.

If the -n or --no-log command line option is also passed, the module will not create the changeLog file.

Specific Implementation and Prioritization Notes

This module expects the leads data to be in the following format:

{"leads": [{
        "_id": "<any unique identifier>",
        "email": "<any unique email>",
        "entryDate": "<a string value that can be converted to a JavaScript Date object>"
    }]
}

Any other fields are optional. However, this module will obliterate the entire older record with a newer record; fields that were present on an old record but not on a new record will NOT be retained.

_id and email are required to be unique; duplicates in those fields will overwrite older records. If a duplicate of a record is found but its entryDate is equal to the first instance, priority will be given to a record with a higher index (found later) in the list.