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firefox/tools/lint/eslint/eslint-plugin-mozilla/tests/no-redeclare-with-import-autofix.js
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

53 lines
1.5 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
var rule = require("../lib/rules/no-redeclare-with-import-autofix");
var RuleTester = require("eslint").RuleTester;
const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } });
// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------
function invalidCode(code, output, messageId, options = []) {
let rv = {
code,
errors: [{ messageId }],
options,
};
if (output) {
rv.output = output;
}
return rv;
}
ruleTester.run("no-redeclare-with-import-autofix", rule, {
valid: [
'const foo = "whatever";',
'let foo = "whatever";',
'const {foo} = {foo: "whatever"};',
'const {foo} = ChromeUtils.importESModule("foo.sys.mjs")',
'let {foo} = ChromeUtils.importESModule("foo.sys.mjs")',
],
invalid: [
invalidCode(
`var {foo} = ChromeUtils.importESModule("foo.sys.mjs");
var {foo} = ChromeUtils.importESModule("foo.sys.mjs");`,
'var {foo} = ChromeUtils.importESModule("foo.sys.mjs");\n',
"duplicateImport"
),
invalidCode(`var foo = 5; var foo = 10;`, "", "redeclared", [
{
errorForNonImports: true,
},
]),
],
});