Files
xterm.js/.github/copilot-instructions.md
T
Daniel Imms 398e87490d Add coding guidelines and lint-fix script
- Add coding guidelines section to copilot instructions
- Specify rule about avoiding comments in unit tests
- Add lint-fix npm script for auto-fixing ESLint issues
2025-09-18 13:27:12 -07:00

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Markdown

This is a TypeScript-based repository with a Ruby client for certain API endpoints. It includes several sub projects called addons which are built separately. It contains a demo application which showcases the functionality of the project.
Please follow these guidelines when contributing:
## Development Flow
- Install dependencies: `npm install && npm run setup`
- Build and bundle demo: `npm run build && npm run esbuild`
## Coding guidelines
- Do not write comments in unit tests unless the test is particularly complex. When they are complex, add the descriptions into the assertion calls where possible.
## Unit tests
Unit tests are run with `yarn test-unit`:
```sh
# All unit tests
yarn test-unit
# Absolute file path
yarn test-unit out-esbuild/browser/Terminal.test.js
# Filter by wildcard
yarn test-unit out-esbuild/**/Terminal.test.js
# Specific addon unit tests tests
yarn test-unit addons/addon-image/out-esbuild/*.test.js
# Multiple files
yarn test-unit out-esbuild/**/Terminal.test.js out-esbuild/**/InputHandler.test.js
```
These use mocha to run all `.test.js` files within the esbuild output (`out-esbuild/`).
## Integration tests
Integration tests are run with `yarn test-integration`:
```sh
# All integration tests
yarn test-integration
# Core integration tests
yarn test-integration --suite=core
# Specific addon integration tests
yarn test-integration --suite=addon-search
```
These use `@playwright/test` to run all tests within the esbuild test output (`out-esbuild-test/`).