freeCodeCamp/api-server/common/utils/empty-protector.js

14 lines
374 B
JavaScript

const emptyProtector = {
blocks: [],
challenges: []
};
// protect against malformed map data
// protect(block: { challenges: [], block: [] }|Void) => block|emptyProtector
export default function protect(block) {
// if no block or block has no challenges or blocks
if (!block || !(block.challenges || block.blocks)) {
return emptyProtector;
}
return block;
}