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tools: add no-duplicate-requires rule

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PR-URL: https://github.com/nodejs/node/pull/21712
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Weijia Wang <starkwang@126.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
This commit is contained in:
Gus Caplan 2018-07-07 23:32:23 -05:00
parent 1849a2b2e9
commit 8cae9b2ff8
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8 changed files with 116 additions and 11 deletions
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25
test/parallel/test-eslint-duplicate-requires.js Normal file
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@ -0,0 +1,25 @@
'use strict';
const common = require('../common');
common.skipIfEslintMissing();
const { RuleTester } = require('../../tools/node_modules/eslint');
const rule = require('../../tools/eslint-rules/no-duplicate-requires');
new RuleTester().run('no-duplicate-requires', rule, {
valid: [
{
code: 'require("a"); require("b"); (function() { require("a"); });',
},
{
code: 'require(a); require(a);',
},
],
invalid: [
{
code: 'require("a"); require("a");',
errors: [{ message: '\'a\' require is duplicated.' }],
},
],
});