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Code.mp4
Just as Java’s throws keyword does, enforcing the use of JSDoc’s @throws tag to explicitly specify which exceptions a function can throw to solve unpredictable propagation of exceptions happening which also known as a JavaScript's "hidden exceptions".
See examples for more.
- Reports and provides fixes for throwable functions that are not annotated with @throws.
- Reports and provides fixes for async functions and Promise rejections.
- Verifies that the exception types match the documented types.
Install dependencies
# https://typescript-eslint.io/getting-started/#step-1-installation
npm install --save-dev eslint @eslint/js typescript typescript-eslint
Install plugin
npm install --save-dev eslint-plugin-explicit-exceptions
Create eslint.config.mjs
// @ts-check
import eslint from '@eslint/js';
import tseslint from 'typescript-eslint';
import explicitExceptionsLint from 'eslint-plugin-explicit-exceptions';
export default tseslint.config(
eslint.configs.recommended,
tseslint.configs.recommended,
explicitExceptionsLint.configs.recommendTypeChecked,
{
languageOptions: {
parserOptions: {
projectService: true,
tsconfigRootDir: import.meta.dirname,
},
},
},
);
