Files
squoosh/src/shared/prerendered-app/util.ts
2020-11-26 15:40:36 +00:00

16 lines
407 B
TypeScript

/** Creates a function ref that assigns its value to a given property of an object.
* @example
* // element is stored as `this.foo` when rendered.
* <div ref={linkRef(this, 'foo')} />
*/
export function linkRef<T>(obj: any, name: string) {
const refName = `$$ref_${name}`;
let ref = obj[refName];
if (!ref) {
ref = obj[refName] = (c: T) => {
obj[name] = c;
};
}
return ref;
}