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/
no-confusing-arrow.js
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/
no-confusing-arrow.js
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/**
* @fileoverview Tests for no-confusing-arrow rule.
* @author Jxck <https://github.com/Jxck>
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-confusing-arrow"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
ruleTester.run("no-confusing-arrow", rule, {
valid: [
"a => { return 1 ? 2 : 3; }",
{ code: "a => { return 1 ? 2 : 3; }", options: [{ allowParens: false }] },
"var x = a => { return 1 ? 2 : 3; }",
{ code: "var x = a => { return 1 ? 2 : 3; }", options: [{ allowParens: false }] },
"var x = (a) => { return 1 ? 2 : 3; }",
{ code: "var x = (a) => { return 1 ? 2 : 3; }", options: [{ allowParens: false }] },
"var x = a => (1 ? 2 : 3)",
{ code: "var x = a => (1 ? 2 : 3)", options: [{ allowParens: true }] },
"var x = (a,b) => (1 ? 2 : 3)",
{ code: "() => 1 ? 2 : 3", options: [{ onlyOneSimpleParam: true }] },
{ code: "(a, b) => 1 ? 2 : 3", options: [{ onlyOneSimpleParam: true }] },
{ code: "(a = b) => 1 ? 2 : 3", options: [{ onlyOneSimpleParam: true }] },
{ code: "({ a }) => 1 ? 2 : 3", options: [{ onlyOneSimpleParam: true }] },
{ code: "([a]) => 1 ? 2 : 3", options: [{ onlyOneSimpleParam: true }] },
{ code: "(...a) => 1 ? 2 : 3", options: [{ onlyOneSimpleParam: true }] }
],
invalid: [
{
code: "a => 1 ? 2 : 3",
output: "a => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
},
{
code: "a => 1 ? 2 : 3",
output: "a => (1 ? 2 : 3)",
options: [{ allowParens: true }],
errors: [{ messageId: "confusing" }]
},
{
code: "a => 1 ? 2 : 3",
output: null,
options: [{ allowParens: false }],
errors: [{ messageId: "confusing" }]
},
{
code: "var x = a => 1 ? 2 : 3",
output: "var x = a => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
},
{
code: "var x = a => 1 ? 2 : 3",
output: "var x = a => (1 ? 2 : 3)",
options: [{ allowParens: true }],
errors: [{ messageId: "confusing" }]
},
{
code: "var x = a => 1 ? 2 : 3",
output: null,
options: [{ allowParens: false }],
errors: [{ messageId: "confusing" }]
},
{
code: "var x = (a) => 1 ? 2 : 3",
output: "var x = (a) => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
},
{
code: "var x = () => 1 ? 2 : 3",
output: "var x = () => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
},
{
code: "var x = () => 1 ? 2 : 3",
output: "var x = () => (1 ? 2 : 3)",
options: [{}],
errors: [{ messageId: "confusing" }]
},
{
code: "var x = () => 1 ? 2 : 3",
output: "var x = () => (1 ? 2 : 3)",
options: [{ onlyOneSimpleParam: false }],
errors: [{ messageId: "confusing" }]
},
{
code: "var x = (a, b) => 1 ? 2 : 3",
output: "var x = (a, b) => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
},
{
code: "var x = (a = b) => 1 ? 2 : 3",
output: "var x = (a = b) => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
},
{
code: "var x = ({ a }) => 1 ? 2 : 3",
output: "var x = ({ a }) => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
},
{
code: "var x = ([a]) => 1 ? 2 : 3",
output: "var x = ([a]) => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
},
{
code: "var x = (...a) => 1 ? 2 : 3",
output: "var x = (...a) => (1 ? 2 : 3)",
errors: [{ messageId: "confusing" }]
}
]
});