Function _getSelectionInfo

apps/json-format/format-lib.js:1091–1128

(el)

    };

    let _getSelectionInfo = function (el) {
        let selected = (el !== undefined && el !== null) ? el : _getSelectedJsonElement();
        if (!selected.length) {
            return {
                selected: false,
                path: '',
                type: '',
                preview: '',
                text: ''
            };
        }

        let path = _getJsonPathForElement(selected, 'javascript');
        let text = '';
        try {
            text = _stringifyJsonNodeValue(selected);
        } catch (e) {
            try {
                text = getJsonText(selected);
            } catch (err) {
                text = selected.text() || '';
            }
        }

        let preview = _getDirectNodeText(selected) || text;
        preview = String(preview || '').replace(/\s+/g, ' ').trim();
        if (preview.length > 140) {
            preview = preview.slice(0, 137) + '...';
        }

        return {
            selected: true,
            path: path,
            type: _getJsonNodeType(selected, text),
            preview: preview,
            text: text
        };
    };

    let _emitSelectionChange = function (el) {
        try {