@wordpress/block-editor
Version:
46 lines (43 loc) • 1.52 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.START_OF_SELECTED_AREA = void 0;
exports.findRichTextAttributeKey = findRichTextAttributeKey;
exports.retrieveSelectedAttribute = retrieveSelectedAttribute;
var _richText = require("@wordpress/rich-text");
/**
* WordPress dependencies
*/
/**
* A robust way to retain selection position through various
* transforms is to insert a special character at the position and
* then recover it.
*/
const START_OF_SELECTED_AREA = exports.START_OF_SELECTED_AREA = '\u0086';
/**
* Retrieve the block attribute that contains the selection position.
*
* @param {Object} blockAttributes Block attributes.
* @return {string|void} The name of the block attribute that was previously selected.
*/
function retrieveSelectedAttribute(blockAttributes) {
if (!blockAttributes) {
return;
}
return Object.keys(blockAttributes).find(name => {
const value = blockAttributes[name];
return (typeof value === 'string' || value instanceof _richText.RichTextData) &&
// To do: refactor this to use rich text's selection instead, so we
// no longer have to use on this hack inserting a special character.
value.toString().indexOf(START_OF_SELECTED_AREA) !== -1;
});
}
function findRichTextAttributeKey(blockType) {
for (const [key, value] of Object.entries(blockType.attributes)) {
if (value.source === 'rich-text' || value.source === 'html') {
return key;
}
}
}
//# sourceMappingURL=selection.js.map