Sha256: a4a6107753f661b39066c77e7b445ae810ca9b797d14b65cd0df5a56914a0dfb
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Size: 1.8 KB
Versions: 104
Compression:
Stored size: 1.8 KB
Contents
/* global text, aria */
/**
* Get the accessible text for an element that can get its name from content
*
* @param {VirtualNode} element
* @param {Object} context
* @property {Bool} strict Should the name computation strictly follow AccName 1.1
* @return {String} Accessible text
*/
text.subtreeText = function subtreeText(virtualNode, context = {}) {
const { alreadyProcessed } = text.accessibleTextVirtual
context.startNode = context.startNode || virtualNode;
const { strict } = context;
if (
alreadyProcessed(virtualNode, context ) ||
!aria.namedFromContents(virtualNode, { strict })
) {
return '';
}
return aria.getOwnedVirtual(virtualNode).reduce((contentText, child) => {
return appendAccessibleText(contentText, child, context);
}, '');
};
// TODO: Could do with an "HTML" lookup table, similar to ARIA,
// where this sort of stuff can live.
const phrasingElements = [
'A',
'EM',
'STRONG',
'SMALL',
'MARK',
'ABBR',
'DFN',
'I',
'B',
'S',
'U',
'CODE',
'VAR',
'SAMP',
'KBD',
'SUP',
'SUB',
'Q',
'CITE',
'SPAN',
'BDO',
'BDI',
'WBR',
'INS',
'DEL',
'MAP',
'AREA',
'NOSCRIPT',
'RUBY',
'BUTTON',
'LABEL',
'OUTPUT',
'DATALIST',
'KEYGEN',
'PROGRESS',
'COMMAND',
'CANVAS',
'TIME',
'METER',
'#TEXT'
];
function appendAccessibleText(contentText, virtualNode, context) {
const nodeName = virtualNode.actualNode.nodeName.toUpperCase();
let contentTextAdd = text.accessibleTextVirtual(virtualNode, context);
if (!contentTextAdd) {
return contentText
}
if (!phrasingElements.includes(nodeName)) {
// Append space, if necessary
if (contentTextAdd[0] !== ' ') {
contentTextAdd += ' ';
}
// Prepend space, if necessary
if (contentText && contentText[contentText.length - 1] !== ' ') {
contentTextAdd = ' ' + contentTextAdd;
}
}
return contentText + contentTextAdd;
}
Version data entries
104 entries across 104 versions & 1 rubygems