.eslintrc.json

{
	"parser": "@typescript-eslint/parser",
	"parserOptions": {
		"sourceType": "module"
	},
	"env": {
		"node": true,
		"es6": true
	},
	"plugins": ["@typescript-eslint"],
	"extends": ["plugin:prettier/recommended"],
	"overrides": [
		{
			"files": ["*.ts"],
			"rules": {
				"@typescript-eslint/adjacent-overload-signatures": "error",
				"@typescript-eslint/class-name-casing": "error",
				"@typescript-eslint/explicit-function-return-type": [
					"warn",
					{
						"allowExpressions": true
					}
				],
				"@typescript-eslint/explicit-member-accessibility": "warn",
				"@typescript-eslint/interface-name-prefix": "warn",
				"@typescript-eslint/member-delimiter-style": "error",
				"@typescript-eslint/member-ordering": [
					"warn",
					{
						"default": [
							"static-field",
							"private-field",
							"protected-field",
							"public-field",
							"constructor",
							"public-method",
							"protected-method",
							"private-method"
						]
					}
				],
				"@typescript-eslint/no-angle-bracket-type-assertion": "error",
				"@typescript-eslint/no-array-constructor": "error",
				"@typescript-eslint/no-inferrable-types": [
					"error",
					{
						"ignoreParameters": true,
						"ignoreProperties": true
					}
				],
				"@typescript-eslint/no-namespace": [
					"error",
					{
						"allowDeclarations": true
					}
				],
				"@typescript-eslint/no-non-null-assertion": "error",
				"@typescript-eslint/no-parameter-properties": "error",
				"@typescript-eslint/no-triple-slash-reference": "error",
				"@typescript-eslint/no-use-before-define": "error",
				"@typescript-eslint/no-var-requires": "error",
				"@typescript-eslint/prefer-namespace-keyword": "error",
				"@typescript-eslint/type-annotation-spacing": "error"
			}
		},
		{
			"files": ["*.test.ts", "__tests__/**"],
			"plugins": ["jest"],
			"env": {
				"jest": true
			},
			"rules": {
				"jest/no-disabled-tests": "warn",
				"jest/no-focused-tests": "error",
				"jest/no-identical-title": "error",
				"jest/no-jest-import": "warn",
				"jest/prefer-to-have-length": "warn",
				"jest/valid-expect": "error"
			}
		}
	]
}