NodeJS: fix duplicates

[bfmags]

Description

NodeJS output.txt file has a lot of duplicates that need to be removed. One way to solve this issue is to introduce a Dictionary to keep track of Articles and avoid duplicates.

Steps to recreate

Run tests in duckpan: DDG_TEST_FATHEAD=node_js prove --quiet t/validate_fathead.t 1>/dev/null

https://gist.github.com/bfmags/86f81caf513c0078b1d3be3918c22526

Refer to documentation : https://docs.duckduckhack.com/programming-mission/creating-effective-fatheads.html

People to notify

@MariagraziaAlastra @tagawa @moollaza

Get Started

• [ ] 1) Claim this issue by commenting below
• [ ] 2) Review our Contributing Guide
• [ ] 3) Set up your development environment, and fork this repository
• [ ] 4) Create a Pull Request

Resources

• Join DuckDuckHack Slack to ask questions
• Join the DuckDuckHack Forum to discuss project planning and Instant Answer metrics
• Read the DuckDuckHack Documentation for technical help

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Instant Answer Page: https://duck.co/ia/view/node_js

[bfmags]

@ahetawal-p should I assign you to this one? :) Thanks

[ahetawal-p]

Sure @bfmags I can take a look, although might be a little late getting to this. As I might be away for Holidays soon :)

[bfmags]

@ahetawal-p Cheers! I'll assign you but no pressure on timing! 👍

[ahetawal-p]

@bfmags added a fix, take a look when you get some time.