next-csrf/example/node_modules/ally.js/esm/supports/supports.js

CSRF mitigation library for Next.js

import detectFocus from './detect-focus';
import cache from './supports-cache';

import cssShadowPiercingDeepCombinator from './css-shadow-piercing-deep-combinator';
import focusAreaImgTabindex from './focus-area-img-tabindex';
import focusAreaTabindex from './focus-area-tabindex';
import focusAreaWithoutHref from './focus-area-without-href';
import focusAudioWithoutControls from './focus-audio-without-controls';
import focusBrokenImageMap from './focus-broken-image-map';
import focusChildrenOfFocusableFlexbox from './focus-children-of-focusable-flexbox';
import focusFieldsetDisabled from './focus-fieldset-disabled';
import focusFieldset from './focus-fieldset';
import focusFlexboxContainer from './focus-flexbox-container';
import focusFormDisabled from './focus-form-disabled';
import focusImgIsmap from './focus-img-ismap';
import focusImgUsemapTabindex from './focus-img-usemap-tabindex';
import focusInHiddenIframe from './focus-in-hidden-iframe';
import focusInZeroDimensionObject from './focus-in-zero-dimension-object';
import focusInvalidTabindex from './focus-invalid-tabindex';
import focusLabelTabindex from './focus-label-tabindex';
import focusObjectSvgHidden from './focus-object-svg-hidden';
import focusObjectSvg from './focus-object-svg';
import focusObjectSwf from './focus-object-swf';
import focusRedirectImgUsemap from './focus-redirect-img-usemap';
import focusRedirectLegend from './focus-redirect-legend';
import focusScrollBody from './focus-scroll-body';
import focusScrollContainerWithoutOverflow from './focus-scroll-container-without-overflow';
import focusScrollContainer from './focus-scroll-container';
import focusSummary from './focus-summary';
import focusSvgFocusableAttribute from './focus-svg-focusable-attribute';
import focusSvgTabindexAttribute from './focus-svg-tabindex-attribute';
import focusSvgNegativeTabindexAttribute from './focus-svg-negative-tabindex-attribute';
import focusSvgUseTabindex from './focus-svg-use-tabindex';
import focusSvgForeignobjectTabindex from './focus-svg-foreignobject-tabindex';
import focusSvgInIframe from './focus-svg-in-iframe';
import focusSvg from './focus-svg';
import focusTabindexTrailingCharacters from './focus-tabindex-trailing-characters';
import focusTable from './focus-table';
import focusVideoWithoutControls from './focus-video-without-controls';
import tabsequenceAreaAtImgPosition from './tabsequence-area-at-img-position';

var testCallbacks = {
  cssShadowPiercingDeepCombinator: cssShadowPiercingDeepCombinator,
  focusInZeroDimensionObject: focusInZeroDimensionObject,
  focusObjectSwf: focusObjectSwf,
  focusSvgInIframe: focusSvgInIframe,
  tabsequenceAreaAtImgPosition: tabsequenceAreaAtImgPosition
};

var testDescriptions = {
  focusAreaImgTabindex: focusAreaImgTabindex,
  focusAreaTabindex: focusAreaTabindex,
  focusAreaWithoutHref: focusAreaWithoutHref,
  focusAudioWithoutControls: focusAudioWithoutControls,
  focusBrokenImageMap: focusBrokenImageMap,
  focusChildrenOfFocusableFlexbox: focusChildrenOfFocusableFlexbox,
  focusFieldsetDisabled: focusFieldsetDisabled,
  focusFieldset: focusFieldset,
  focusFlexboxContainer: focusFlexboxContainer,
  focusFormDisabled: focusFormDisabled,
  focusImgIsmap: focusImgIsmap,
  focusImgUsemapTabindex: focusImgUsemapTabindex,
  focusInHiddenIframe: focusInHiddenIframe,
  focusInvalidTabindex: focusInvalidTabindex,
  focusLabelTabindex: focusLabelTabindex,
  focusObjectSvg: focusObjectSvg,
  focusObjectSvgHidden: focusObjectSvgHidden,
  focusRedirectImgUsemap: focusRedirectImgUsemap,
  focusRedirectLegend: focusRedirectLegend,
  focusScrollBody: focusScrollBody,
  focusScrollContainerWithoutOverflow: focusScrollContainerWithoutOverflow,
  focusScrollContainer: focusScrollContainer,
  focusSummary: focusSummary,
  focusSvgFocusableAttribute: focusSvgFocusableAttribute,
  focusSvgTabindexAttribute: focusSvgTabindexAttribute,
  focusSvgNegativeTabindexAttribute: focusSvgNegativeTabindexAttribute,
  focusSvgUseTabindex: focusSvgUseTabindex,
  focusSvgForeignobjectTabindex: focusSvgForeignobjectTabindex,
  focusSvg: focusSvg,
  focusTabindexTrailingCharacters: focusTabindexTrailingCharacters,
  focusTable: focusTable,
  focusVideoWithoutControls: focusVideoWithoutControls
};

function executeTests() {
  var results = detectFocus(testDescriptions);
  Object.keys(testCallbacks).forEach(function (key) {
    results[key] = testCallbacks[key]();
  });

  return results;
}

var supportsCache = null;

export default function () {
  if (supportsCache) {
    return supportsCache;
  }

  supportsCache = cache.get();
  if (!supportsCache.time) {
    cache.set(executeTests());
    supportsCache = cache.get();
  }

  return supportsCache;
}
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