fix #17 add fake node to graph view

[gkorland]

Summary by CodeRabbit

• Refactor
  • Improved the logic for generating fake nodes in graphs to enhance category and color value handling.

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[coderabbitai]

Walkthrough

The codebase has undergone a refinement where a function now accommodates a default parameter, enhancing its flexibility. Simultaneously, the strategy for generating placeholder nodes within a mapping structure has been streamlined, with a new approach to managing categories and their associated color values, optimizing the way source and destination nodes are represented.

Changes

File(s)	Summary
.../graph/model.ts	Updated getCategoryColorValue to include a default parameter. Refactored fake node creation logic to utilize this.nodesMap and improved handling of category and color values.

Poem

🐇
In the warren of code, tweaks do abound,
Colors and nodes, in harmony found.
A rabbit's touch, so deft and slight,
Crafting the graph, into the night. 🌙
🐇

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Review Status

Actionable comments generated: 3

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 8f9323d and 6721720.

Files selected for processing (1)

• app/graph/model.ts (4 hunks)

Additional comments: 1

app/graph/model.ts (1)

• 186-199: > 📝 NOTE

This review was outside the diff hunks and was mapped to the diff hunk with the greatest overlap. Original lines [178-196]

When creating a new node or updating a fake node, the color is set using getCategoryColorValue(category.index). This is consistent with the intended use of the function. However, ensure that the category index is always within the valid range of COLORS_ORDER.

Verification successful

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The implementation of getCategoryColorValue in app/graph/model.ts includes a check to ensure that the provided index is within the bounds of the COLORS_ORDER array. If the index is greater than or equal to the length of COLORS_ORDER, it is reset to 0. This means that the function is designed to handle cases where the index might be out of range by defaulting to the first color.

Given this information, the review comment's concern about ensuring that the category index is always within the valid range of COLORS_ORDER is addressed by the implementation of the getCategoryColorValue function itself.

Scripts Executed

The following scripts were executed for the analysis:

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Script:

#!/bin/bash
# Verify that category.index is always within the valid range of COLORS_ORDER.
ast-grep --lang javascript --pattern $'getCategoryColorValue($_.index)'

Length of output: 72

---

---

Script:

#!/bin/bash
# Search for all occurrences of getCategoryColorValue to analyze its usage context.
rg "getCategoryColorValue"

Length of output: 463

---

---

Script:

#!/bin/bash
# Check the implementation of getCategoryColorValue to see how it handles the index range.
rg "function getCategoryColorValue" -A 10 app/graph/model.ts

Length of output: 323