/
no-array-prototype-reduceright.js
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/
no-array-prototype-reduceright.js
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/**
* @author Toru Nagashima <https://github.com/mysticatea>
* See LICENSE file in root directory for full license.
*/
"use strict"
const path = require("path")
const RuleTester = require("../../tester")
const rule = require("../../../lib/rules/no-array-prototype-reduceright.js")
const ruleId = "no-array-prototype-reduceright"
new RuleTester().run(ruleId, rule, {
valid: [
"reduceRight(() => {})",
"foo.reverse()",
"foo.reduceRight(() => {})",
{
code: "reduceRight(() => {})",
settings: { "es-x": { aggressive: true } },
},
{ code: "foo.reverse()", settings: { "es-x": { aggressive: true } } },
{
code: "foo.reduceRight(() => {})",
options: [{ aggressive: false }],
settings: { "es-x": { aggressive: true } },
},
],
invalid: [
{
code: "foo.reduceRight(() => {})",
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
settings: { "es-x": { aggressive: true } },
},
{
code: "foo.reduceRight(() => {})",
options: [{ aggressive: true }],
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
settings: { "es-x": { aggressive: false } },
},
],
})
// -----------------------------------------------------------------------------
// TypeScript
// -----------------------------------------------------------------------------
const parser = require("@typescript-eslint/parser")
const tsconfigRootDir = path.resolve(__dirname, "../../fixtures")
const project = "tsconfig.json"
const filename = path.join(tsconfigRootDir, "test.ts")
new RuleTester({
languageOptions: { parser, parserOptions: { tsconfigRootDir, project } },
}).run(`${ruleId} TS Full Type Information`, rule, {
valid: [
{ filename, code: "reduceRight(() => {})" },
{ filename, code: "foo.reverse()" },
{ filename, code: "foo.reduceRight(() => {})" },
{ filename, code: "let foo = {}; foo.reduceRight(() => {})" },
{
filename,
code: "reduceRight(() => {})",
settings: { "es-x": { aggressive: true } },
},
{
filename,
code: "foo.reverse()",
settings: { "es-x": { aggressive: true } },
},
],
invalid: [
{
filename,
code: "[a, b, c].reduceRight(() => {})",
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
},
{
filename,
code: "let foo = []; foo.reduceRight(() => {})",
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
},
{
filename,
code: "let foo = Array(); foo.reduceRight(() => {})",
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
},
{
filename,
code: "function f<T extends any[]>(a: T) { a.reduceRight(() => {}) }",
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
},
{
filename,
code: "function f<T extends readonly any[]>(a: T) { a.reduceRight(() => {}) }",
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
},
{
filename,
code: "function f<T extends string[] | number[]>(a: T) { a.reduceRight(() => {}) }",
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
},
{
filename,
code: "foo.reduceRight(() => {})",
errors: ["ES5 'Array.prototype.reduceRight' method is forbidden."],
settings: { "es-x": { aggressive: true } },
},
],
})