someshkar/covid19india-cluster

Ignoring all duplicates in ID of nodes

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#122 opened on Mar 27, 2020

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enhancementgood first issue

Description

Add generic logic to check if node with certain ID exists, and add new node with ID only if it doesn't exist already. To eliminate duplicates errors like https://github.com/someshkar/covid19india-cluster/issues/117

Contributor guide

Tech stack
javascript
Domain
backend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic JavaScriptUnderstanding of graph nodes
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
85
Research direction
First, examine the codebase to understand how nodes are added, likely in a file like 'graph.js' or 'cluster.js'. Look for functions that create or insert nodes. Refer to issue #117 for context on duplicate errors. Implement a simple check using a JavaScript Set or object to track existing node IDs. Before adding a node, verify that its ID does not already exist. Test the change by attempting to add a duplicate ID and confirm it is ignored. If the project uses a framework (e.g., D3.js), ensure the logic integrates correctly.