mirror of
https://github.com/nature-of-code/noc-book-2
synced 2024-11-17 07:49:05 +01:00
76 lines
2.3 KiB
JavaScript
76 lines
2.3 KiB
JavaScript
const eslint = require('eslint');
|
|
|
|
function getLinter(type, chapter) {
|
|
const rules = {
|
|
// ENABLED RULES:
|
|
|
|
eqeqeq: 'error',
|
|
'prefer-let/prefer-let': 'error',
|
|
'no-tabs': 'error',
|
|
'space-infix-ops': 'error',
|
|
'space-before-blocks': 'error',
|
|
'func-call-spacing': ['error', 'never'],
|
|
'space-before-function-paren': ['error', 'never'],
|
|
'@typescript-eslint/no-for-in-array': 'error',
|
|
'no-prototype-builtins': 'error',
|
|
'object-curly-spacing': [
|
|
'error',
|
|
'always',
|
|
{ arraysInObjects: true, objectsInObjects: true },
|
|
],
|
|
'keyword-spacing': ['error', { before: true }],
|
|
'key-spacing': ['error', { beforeColon: false }],
|
|
'array-element-newline': ['error', 'consistent'],
|
|
'array-bracket-spacing': ['error', 'never'],
|
|
'array-bracket-newline': ['error', 'consistent'],
|
|
'no-useless-return': 'error',
|
|
'no-unneeded-ternary': 'error',
|
|
|
|
// Nitpicky, but could be useful
|
|
// 'one-var': ['error', 'never'],
|
|
// 'comma-dangle': ['error', 'always-multiline'],
|
|
// 'operator-assignment': ['error', 'always'],
|
|
// 'no-negated-condition': 'error',
|
|
// 'function-paren-newline': ['error', 'multiline'],
|
|
// semi: ['error', 'always'],
|
|
// quotes: ['error', 'single', { avoidEscape: true }],
|
|
// 'no-shadow': 'error',
|
|
|
|
// DISABLED RULES:
|
|
|
|
// Snippets can be fragments, code can be in diffent files without imports, etc.
|
|
'no-undef': 'off',
|
|
'no-unused-vars': 'off',
|
|
'@typescript-eslint/no-unused-vars': 'off',
|
|
|
|
// One snippet has an empty function to discuss arguments
|
|
'no-empty': 'off',
|
|
|
|
// Some snippets redeclare variables with strikethrough styles
|
|
'no-redeclare': 'off',
|
|
|
|
// Allow `while (true) {}`
|
|
'no-constant-condition': ['error', { checkLoops: false }],
|
|
|
|
// Overlaps with `no-tabs` rule
|
|
'no-mixed-spaces-and-tabs': 'off',
|
|
};
|
|
|
|
if (chapter > 4) {
|
|
rules['@typescript-eslint/prefer-for-of'] = 'error';
|
|
}
|
|
|
|
return new eslint.ESLint({
|
|
overrideConfig: {
|
|
extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended'],
|
|
plugins: ['prefer-let', '@typescript-eslint'],
|
|
parser: '@typescript-eslint/parser',
|
|
parserOptions: {
|
|
ecmaVersion: 6,
|
|
},
|
|
rules,
|
|
},
|
|
});
|
|
}
|
|
|
|
module.exports = { getLinter };
|