FormattingUtils is a set of functions and classes in order to format values for Power BI custom visuals
Learn how to install and use the FormattingUtils in your custom visuals:
Common scripts:
| Command | Description |
|---|---|
npm ci |
Install pinned dependencies from package-lock.json |
npm run build |
Compile src/ into lib/ with TypeScript declarations and source maps |
npm test |
Run the full Vitest suite once (used by CI) |
npm run test:watch |
Run Vitest in watch mode; re-runs affected tests on file change |
npm run test:typecheck |
Type-check the test/ tree with TypeScript using test/tsconfig.json |
npm run lint |
Lint the codebase with ESLint flat config in eslint.config.mjs |
npm run lint:fix |
Auto-fix lint issues where possible |
tsconfig.jsonbuildssrc/intolib/.test/tsconfig.jsonextends the main config, addsvitest/globals, and includestest/files.
Tests live under test/ and run on Vitest in a real browser via Vitest browser mode (Playwright/Chromium). Running them locally the first time requires the browser binary: npx playwright install chromium.
- Read our contribution guideline to find out how to contribute bugs fixes and improvements
- Issue Tracker
- Development workflow
- How to build
- How to run unit tests locally
See the LICENSE file for license rights and limitations (MIT).