38 lines
1.2 KiB
JavaScript
38 lines
1.2 KiB
JavaScript
function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
|
|
|
|
export function fillRef(ref, node) {
|
|
if (typeof ref === 'function') {
|
|
ref(node);
|
|
} else if (_typeof(ref) === 'object' && ref && 'current' in ref) {
|
|
ref.current = node;
|
|
}
|
|
}
|
|
/**
|
|
* Merge refs into one ref function to support ref passing.
|
|
*/
|
|
|
|
export function composeRef() {
|
|
for (var _len = arguments.length, refs = new Array(_len), _key = 0; _key < _len; _key++) {
|
|
refs[_key] = arguments[_key];
|
|
}
|
|
|
|
return function (node) {
|
|
refs.forEach(function (ref) {
|
|
fillRef(ref, node);
|
|
});
|
|
};
|
|
}
|
|
export function supportRef(nodeOrComponent) {
|
|
// Function component node
|
|
if (nodeOrComponent.type && nodeOrComponent.type.prototype && !nodeOrComponent.type.prototype.render) {
|
|
return false;
|
|
} // Class component
|
|
|
|
|
|
if (typeof nodeOrComponent === 'function' && nodeOrComponent.prototype && !nodeOrComponent.prototype.render) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
/* eslint-enable */ |