puppeteer/.eslintrc.js
Jack Franklin 2529ee6508
chore(eslint): add eslint typescript linting (#5635)
This commit adds linting for `*.ts` files and loads up the recommended
list of TS rules from the ESLint TypeScript plugin. We can adjust the
exact rules overtime, but starting with the recommended list seems
sensible.
2020-04-14 12:08:52 +01:00

114 lines
3.3 KiB
JavaScript

module.exports = {
"root": true,
"env": {
"node": true,
"es6": true
},
"parser": "@typescript-eslint/parser",
"plugins": [
"mocha",
"@typescript-eslint"
],
"rules": {
// syntax preferences
"quotes": [2, "single", {
"avoidEscape": true,
"allowTemplateLiterals": true
}],
"semi": 2,
"no-extra-semi": 2,
"comma-style": [2, "last"],
"wrap-iife": [2, "inside"],
"spaced-comment": [2, "always", {
"markers": ["*"]
}],
"eqeqeq": [2],
"arrow-body-style": [2, "as-needed"],
"accessor-pairs": [2, {
"getWithoutSet": false,
"setWithoutGet": false
}],
"brace-style": [2, "1tbs", {"allowSingleLine": true}],
"curly": [2, "multi-or-nest", "consistent"],
"new-parens": 2,
"func-call-spacing": 2,
"arrow-parens": [2, "as-needed"],
"prefer-const": 2,
"quote-props": [2, "consistent"],
// anti-patterns
"no-var": 2,
"no-with": 2,
"no-multi-str": 2,
"no-caller": 2,
"no-implied-eval": 2,
"no-labels": 2,
"no-new-object": 2,
"no-octal-escape": 2,
"no-self-compare": 2,
"no-shadow-restricted-names": 2,
"no-cond-assign": 2,
"no-debugger": 2,
"no-dupe-keys": 2,
"no-duplicate-case": 2,
"no-empty-character-class": 2,
"no-unreachable": 2,
"no-unsafe-negation": 2,
"radix": 2,
"valid-typeof": 2,
"no-unused-vars": [2, { "args": "none", "vars": "local", "varsIgnorePattern": "([fx]?describe|[fx]?it|beforeAll|beforeEach|afterAll|afterEach)" }],
"no-implicit-globals": [2],
// es2015 features
"require-yield": 2,
"template-curly-spacing": [2, "never"],
// spacing details
"space-infix-ops": 2,
"space-in-parens": [2, "never"],
"space-before-function-paren": [2, "never"],
"no-whitespace-before-property": 2,
"keyword-spacing": [2, {
"overrides": {
"if": {"after": true},
"else": {"after": true},
"for": {"after": true},
"while": {"after": true},
"do": {"after": true},
"switch": {"after": true},
"return": {"after": true}
}
}],
"arrow-spacing": [2, {
"after": true,
"before": true
}],
// file whitespace
"no-multiple-empty-lines": [2, {"max": 2}],
"no-mixed-spaces-and-tabs": 2,
"no-trailing-spaces": 2,
"linebreak-style": [ process.platform === "win32" ? 0 : 2, "unix" ],
"indent": [2, 2, { "SwitchCase": 1, "CallExpression": {"arguments": 2}, "MemberExpression": 2 }],
"key-spacing": [2, {
"beforeColon": false
}],
// ensure we don't have any it.only or describe.only in prod
"mocha/no-exclusive-tests": "error"
},
"overrides": [
{
// apply TypeScript linting to the TS files in src/
"files": ["src/*.ts"],
"extends": [
'plugin:@typescript-eslint/eslint-recommended',
'plugin:@typescript-eslint/recommended',
]
}
]
};