eslint-plugin-no-jquery/tests/rules/no-delegate.js at master · wikimedia/eslint-plugin-no-jquery · GitHub

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'use strict';

const rule = require( '../../src/rules/no-delegate' );
const RuleTester = require( '../../tools/rule-tester' );

const delegateError = 'Prefer .on/EventTarget#addEventListener to .delegate';
const undelegateError = 'Prefer .off/EventTarget#removeEventListener to .undelegate';

const ruleTester = new RuleTester();
ruleTester.run( 'no-delegate', rule, {
	valid: [
		'delegate()',
		'[].delegate()',
		'div.delegate()',
		'div.delegate',

		'undelegate()',
		'[].undelegate()',
		'div.undelegate()',
		'div.undelegate'
	],
	invalid: [
		...[
			'$("div").delegate()',
			'$div.delegate()',
			'$("div").first().delegate()',
			'$("div").append($("input").delegate())'
		].map( ( code ) => ( { code, errors: [ delegateError ] } ) ),
		...[
			'$("div").undelegate()',
			'$div.undelegate()',
			'$("div").first().undelegate()',
			'$("div").append($("input").undelegate())'
		].map( ( code ) => ( { code, errors: [ undelegateError ] } ) )
	]
} );