Sha256: bf371e128e340d5fc912967c8a3394701f534ce53ea89e08a6e2913167f75f97
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Size: 1.42 KB
Versions: 375
Compression:
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Contents
/* global text, aria */
/**
* Get the accessible text using native HTML methods only
* @param {VirtualNode} element
* @param {Object} context
* @property {Bool} debug Enable logging for formControlValue
* @return {String} Accessible text
*/
text.nativeTextAlternative = function nativeTextAlternative(
virtualNode,
context = {}
) {
const { actualNode } = virtualNode;
if (
actualNode.nodeType !== 1 ||
['presentation', 'none'].includes(aria.getRole(actualNode))
) {
return '';
}
const textMethods = findTextMethods(virtualNode);
// Find the first step that returns a non-empty string
let accName = textMethods.reduce((accName, step) => {
return accName || step(virtualNode, context);
}, '');
if (context.debug) {
axe.log(accName || '{empty-value}', actualNode, context);
}
return accName;
};
/**
* Get accessible text functions for a specific native HTML element
* @private
* @param {VirtualNode} element
* @return {Function[]} Array of native accessible name computation methods
*/
function findTextMethods(virtualNode) {
const { nativeElementType, nativeTextMethods } = text;
const nativeType = nativeElementType.find(({ matches }) => {
return axe.commons.matches(virtualNode, matches);
});
// Use concat because namingMethods can be a string or an array of strings
const methods = nativeType ? [].concat(nativeType.namingMethods) : [];
return methods.map(methodName => nativeTextMethods[methodName]);
}
Version data entries
375 entries across 375 versions & 1 rubygems