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/* Any copyright is dedicated to the Public Domain.
"use strict";
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
var rule = require("../lib/rules/balanced-listeners");
var RuleTester = require("eslint").RuleTester;
const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: "latest" } });
// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------
function error(code, functionName, type) {
return {
code,
errors: [
{
messageId: "noCorresponding",
type: "Identifier",
data: { functionName, type },
},
],
};
}
ruleTester.run("balanced-listeners", rule, {
valid: [
"elt.addEventListener('event', handler);" +
"elt.removeEventListener('event', handler);",
"elt.addEventListener('event', handler, true);" +
"elt.removeEventListener('event', handler, true);",
"elt.addEventListener('event', handler, false);" +
"elt.removeEventListener('event', handler, false);",
"elt.addEventListener('event', handler);" +
"elt.removeEventListener('event', handler, false);",
"elt.addEventListener('event', handler, false);" +
"elt.removeEventListener('event', handler);",
"elt.addEventListener('event', handler, {capture: false});" +
"elt.removeEventListener('event', handler);",
"elt.addEventListener('event', handler);" +
"elt.removeEventListener('event', handler, {capture: false});",
"elt.addEventListener('event', handler, {capture: true});" +
"elt.removeEventListener('event', handler, true);",
"elt.addEventListener('event', handler, true);" +
"elt.removeEventListener('event', handler, {capture: true});",
"elt.addEventListener('event', handler, {once: true});",
"elt.addEventListener('event', handler, {once: true, capture: true});",
],
invalid: [
error(
"elt.addEventListener('click', handler, false);",
"removeEventListener",
"click"
),
error(
"elt.addEventListener('click', handler, false);" +
"elt.removeEventListener('click', handler, true);",
"removeEventListener",
"click"
),
error(
"elt.addEventListener('click', handler, {capture: false});" +
"elt.removeEventListener('click', handler, true);",
"removeEventListener",
"click"
),
error(
"elt.addEventListener('click', handler, {capture: true});" +
"elt.removeEventListener('click', handler);",
"removeEventListener",
"click"
),
error(
"elt.addEventListener('click', handler, true);" +
"elt.removeEventListener('click', handler);",
"removeEventListener",
"click"
),
],
});