@qualweb/act-rules
Version:
ACT rules module for qualweb web accessibility evaluator
99 lines (98 loc) • 4.64 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
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return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.QW_ACT_R43 = void 0;
const applicability_1 = require("@qualweb/util/applicability");
const evaluation_1 = require("@qualweb/core/evaluation");
const AtomicRule_object_1 = require("../lib/AtomicRule.object");
class QW_ACT_R43 extends AtomicRule_object_1.AtomicRule {
execute(element) {
if (element.getElementTagName().toLowerCase() === 'iframe') {
return;
}
let hasVisibleChildren = false;
let isApplicable = false;
for (const child of element.getElementChildren()) {
if (window.DomUtils.isElementVisible(child)) {
hasVisibleChildren = true;
break;
}
}
if (hasVisibleChildren) {
const of = element.getElementStyleProperty('overflow', null);
const ofx = element.getElementStyleProperty('overflow-x', null);
const ofy = element.getElementStyleProperty('overflow-y', null);
if (of === 'auto' ||
of === 'clip' ||
of === 'scroll' ||
ofx === 'auto' ||
ofx === 'clip' ||
ofx === 'scroll' ||
ofy === 'auto' ||
ofy === 'clip' ||
ofy === 'scroll') {
const scrollWidth = element.getElementProperty('scrollWidth');
const clientWidth = element.getElementProperty('clientWidth');
const differenceWidth = parseInt(scrollWidth) - parseInt(clientWidth);
const scrollHeight = element.getElementProperty('scrollHeight');
const clientHeight = element.getElementProperty('clientHeight');
const differenceHeight = parseInt(scrollHeight) - parseInt(clientHeight);
const paddingLeft = element.getElementStyleProperty('padding-left', null);
const paddingRight = element.getElementStyleProperty('padding-right', null);
const paddingTop = element.getElementStyleProperty('padding-top', null);
const paddingBottom = element.getElementStyleProperty('padding-bottom', null);
isApplicable =
differenceWidth > parseInt(paddingLeft) ||
differenceWidth > parseInt(paddingRight) ||
differenceHeight > parseInt(paddingTop) ||
differenceHeight > parseInt(paddingBottom);
}
}
if (isApplicable) {
const test = new evaluation_1.Test();
if (this.isInSequentialFocusNavigation(element)) {
test.verdict = evaluation_1.Verdict.PASSED;
test.resultCode = 'P1';
}
else {
test.verdict = evaluation_1.Verdict.FAILED;
test.resultCode = 'F1';
}
test.addElement(element);
this.addTestResult(test);
}
}
isInSequentialFocusNavigation(element) {
if (window.AccessibilityUtils.isPartOfSequentialFocusNavigation(element)) {
return true;
}
else {
let result = false;
for (const child of element.getElementChildren()) {
if (window.AccessibilityUtils.isPartOfSequentialFocusNavigation(child)) {
return true;
}
else {
result = result || this.isInSequentialFocusNavigation(child);
}
}
return result;
}
}
}
exports.QW_ACT_R43 = QW_ACT_R43;
__decorate([
applicability_1.ElementExists,
applicability_1.ElementIsVisible,
__metadata("design:type", Function),
__metadata("design:paramtypes", [Function]),
__metadata("design:returntype", void 0)
], QW_ACT_R43.prototype, "execute", null);