├── .eslintrc
├── .gitignore
├── README.md
├── index.js
└── package.json


/.eslintrc:
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1 | {
2 |   "extends": "cleanjs"
3 | }
4 | 


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/.gitignore:
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1 | .tern-port
2 | /node_modules
3 | 


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/README.md:
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 1 | ## DO NOT USE
 2 | 
 3 | This project has never been seriously maintained, and you should be using [eslint-plugin-fp](https://github.com/jfmengels/eslint-plugin-fp) directly instead.
 4 | 
 5 | # eslint-config-cleanjs
 6 | 
 7 | This is an ESLint configuration which aims to restrict you to a subset
 8 | of JavaScript which would be as close to an idealised pure functional
 9 | language as possible. The idea is to see if it's possible to banish
10 | all the Bad Parts (well, except for the single numeric type being IEEE
11 | 754 floating point) and leave a language without the design flaws
12 | which have plagued JS from the start, and which aren't easy to design
13 | out of the language without becoming a subset of itself.
14 | 
15 | Please note that this rule set is meant for use only with ES6 or
16 | higher (and the ES7 object rest spread proposal helps a lot).
17 | 
18 | Highlights:
19 | 
20 | * no `this` and no classes
21 | * no `null` and `undefined` (implying that all functions must `return`)
22 | * no mutation of any kind
23 | * no variable reassignment
24 | * no statements, only expressions (including no `if`)
25 | * no CommonJS or AMD, only ES6 modules
26 | 
27 | This is all based on three ESLint plugins, which you'll have to
28 | install to use these presets:
29 | 
30 | * [eslint-plugin-better](https://github.com/idmitriev/eslint-plugin-better)
31 | * [eslint-plugin-fp](https://github.com/jfmengels/eslint-plugin-fp)
32 | * [eslint-plugin-import](https://github.com/benmosher/eslint-plugin-import)
33 | 
34 | ## Usage
35 | 
36 | Just install this package somewhere your eslint can find it (`npm
37 | install -g eslint-config-cleanjs` if your eslint is installed with
38 | `-g` too), along with the three above mentioned plugins (`npm install -g
39 | eslint-plugin-better eslint-plugin-fp eslint-plugin-import`), and put
40 | this in your `.eslintrc` or wherever you keep your project's eslint
41 | config:
42 | 
43 | ```
44 | {
45 |   "extends": "cleanjs"
46 | }
47 | ```
48 | 


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/index.js:
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 1 | module.exports = {
 2 |   parserOptions: {
 3 |     ecmaVersion: 7,
 4 |     sourceType: "module",
 5 |     experimentalObjectRestSpread: true
 6 |   },
 7 |   plugins: [
 8 |     "fp",
 9 |     "better",
10 |     "import"
11 |   ],
12 |   rules: {
13 |     // eslint-plugin-fp rules
14 |     "fp/no-arguments": 2,
15 |     "fp/no-class": 2,
16 |     "fp/no-delete": 2,
17 |     "fp/no-events": 2,
18 |     "fp/no-get-set": 2,
19 |     "fp/no-let": 2,
20 |     "fp/no-loops": 2,
21 |     "fp/no-mutating-assign": 2,
22 |     "fp/no-mutating-methods": 2,
23 |     "fp/no-mutation": 2,
24 |     "fp/no-nil": 2,
25 |     "fp/no-proxy": 2,
26 |     "fp/no-rest-parameters": 2,
27 |     "fp/no-this": 2,
28 |     "fp/no-throw": 2,
29 |     "fp/no-unused-expression": 2,
30 |     "fp/no-valueof-field": 2,
31 |     // eslint-plugin-better rules
32 |     "better/no-ifs": 2,
33 |     "better/no-instanceofs": 2,
34 |     "better/no-new": 2,
35 |     "better/explicit-return": 2,
36 |     // explicitly disable things handled by eslint-plugin-fp
37 |     "better/no-classes": 0,
38 |     "better/no-deletes": 0,
39 |     "better/no-exceptions": 0,
40 |     "better/no-exports": 0,
41 |     "better/no-fors": 0,
42 |     "better/no-function-expressions": 0,
43 |     "better/no-imports": 0,
44 |     "better/no-nulls": 0,
45 |     "better/no-reassigns": 0,
46 |     "better/no-switches": 0,
47 |     "better/no-this": 0,
48 |     "better/no-typeof": 0,
49 |     "better/no-undefined": 0,
50 |     "better/no-variable-declaration": 0,
51 |     "better/no-whiles": 0,
52 |     // eslint-plugin-import rules
53 |     "import/no-commonjs": 2,
54 |     "import/no-amd": 2,
55 |     "import/export": 2,
56 |     // eslint standard rules
57 |     "no-var": 2,
58 |     "prefer-spread": 2
59 |   }
60 | };
61 | 


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/package.json:
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 1 | {
 2 |   "name": "eslint-config-cleanjs",
 3 |   "version": "4.0.0",
 4 |   "description": "An eslint config which reduces JS to a pure functional language",
 5 |   "main": "index.js",
 6 |   "keywords": [
 7 |     "eslint"
 8 |   ],
 9 |   "author": "Bodil Stokke",
10 |   "license": "LGPL-3.0+",
11 |   "repository": {
12 |     "type": "git",
13 |     "url": "git+https://github.com/bodil/eslint-config-cleanjs.git"
14 |   },
15 |   "peerDependencies": {
16 |     "eslint": "^3.3.1 || ^4.3.0",
17 |     "eslint-plugin-better": "^0.1.5",
18 |     "eslint-plugin-fp": "^2.2.0",
19 |     "eslint-plugin-import": "^2.2.0"
20 |   }
21 | }
22 | 


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