axe-core/lib/core/index.js

Accessibility engine for automated Web UI testing

/*exported axe, commons */
/*global axeFunction, module, define */
// exported namespace for aXe
/*eslint no-use-before-define: 0, no-unused-vars: 0*/
var axe = axe || {};
axe.version = '<%= pkg.version %>';

if (typeof define === 'function' && define.amd) {
	// Explicitly naming the module to avoid mismatched anonymous define() modules when injected in a page
	define('axe-core', [], function () {
		'use strict';
		return axe;
	});
}
if (typeof module === 'object' && module.exports && typeof axeFunction.toString === 'function') {
	axe.source = '(' + axeFunction.toString() + ')(typeof window === "object" ? window : this);';
	module.exports = axe;
}
if (typeof window.getComputedStyle === 'function') {
	window.axe = axe;
}
// local namespace for common functions
var commons;

function SupportError(error) {
	this.name = 'SupportError';
	this.cause = error.cause;
	this.message = `\`${error.cause}\` - feature unsupported in your environment.`;
	if (error.ruleId) {
		this.ruleId = error.ruleId;
		this.message += ` Skipping ${this.ruleId} rule.`;
	}
	this.stack = (new Error()).stack;
}
SupportError.prototype = Object.create(Error.prototype);
SupportError.prototype.constructor = SupportError;