in packages/form-render/src/models/expression.ts [113:122]
export function getValueByPath(formData, path) {
if (path === '#' || !path) {
return formData || {};
} else if (typeof path === 'string') {
const realPath = getRealDataPath(path);
return realPath && get(formData, realPath);
} else {
console.error('path has to be a string');
}
}