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Anton Volnuhin 33a245728d Add timeline view with stacked bar chart and view switcher 
Adds a second visualization mode showing spending across all months
as a stacked bar chart, with a месяц/таймлайн switcher in the header.
Includes side panel with category breakdowns, bar click-to-drill,
and localStorage persistence of the selected view.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-06 16:05:48 +03:00
altcats-2025-01.csv drill-down and animation restored 2025-03-22 00:49:27 +03:00
app.js Add timeline view with stacked bar chart and view switcher 2026-02-06 16:05:48 +03:00
DEV.md Initial 2025-03-19 20:41:30 +03:00
index.html Add timeline view with stacked bar chart and view switcher 2026-02-06 16:05:48 +03:00
package.json Initial 2025-03-19 20:41:30 +03:00
README.md Initial 2025-03-19 20:41:30 +03:00
server.js automatic months 2026-01-29 13:44:41 +03:00
styles.css Add timeline view with stacked bar chart and view switcher 2026-02-06 16:05:48 +03:00

README.md

Visual Spending

A visualization tool for family spending data using Apache ECharts.

Features

  • Visualize spending per categories, subcategories, and microcategories as a sunburst graph
  • Display spending data for different months
  • Interactive visualization with hover details and click navigation

Usage

  1. Ensure you have Node.js installed on your system
  2. Place your spending data CSV files in the root directory with the naming convention altcats-YYYY-MM.csv
  3. Run the server:
npm start
  1. Open your browser and navigate to http://localhost:3000

Data Format

The CSV file should have the following columns:

  • transaction_date
  • category
  • subcategory
  • microcategory
  • amount_rub

Technologies Used

  • Apache ECharts
  • Node.js