eslint.config.mjs

import { defineConfig } from 'eslint/config';
import { configs } from '@croct/eslint-plugin';

export default defineConfig(
    configs.typescript,
    {
        files: ['src/**/*.ts'],
        rules: {
            'no-restricted-syntax': [
                'error',
                {
                    selector: 'CallExpression[arguments.length=0] '
                        + "> MemberExpression[object.name='Instant'][property.name='now']",
                    message: 'Do not use Instant.now without a clock.',
                },
                {
                    selector: 'CallExpression[arguments.length=0] '
                        + "> MemberExpression[object.name='LocalDateTime'][property.name='now']",
                    message: 'Do not use LocalDateTime.now without a clock.',
                },
                {
                    selector: 'CallExpression[arguments.length=1] '
                        + "> MemberExpression[object.name='LocalDateTime'][property.name='nowIn']",
                    message: 'Do not use LocalDateTime.nowIn without a clock.',
                },
                {
                    selector: 'CallExpression[arguments.length=0] '
                        + "> MemberExpression[object.name='Date'][property.name='now']",
                    message: 'Do not use Date.now, use a clock.',
                },
                {
                    selector: "NewExpression[callee.name='Date']",
                    message: 'Do not create a Date instance, use a clock.',
                },
            ],
            '@typescript-eslint/unbound-method': 'off',
        },
    },
    {
        files: ['test/**/*.ts'],
        rules: {
            'no-restricted-syntax': [
                'error',
                {
                    selector: "CallExpression[callee.object.name='jest'][callee.property.name='spyOn'] "
                        + "> Identifier[name='Instant'] ~ Literal[value='now']",
                    message: 'Do not mock Instant.now, use a FixedClock.',
                },
                {
                    selector: "CallExpression[callee.object.name='jest'][callee.property.name='spyOn'] "
                        + "> Identifier[name='LocalDateTime'] ~ Literal[value='now']",
                    message: 'Do not mock LocalDateTime.now, use a FixedClock.',
                },
            ],
        },
    }
);