aws-cdk
Version:
AWS CDK CLI, the command line tool for CDK apps
26 lines • 2.25 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.cached = cached;
exports.cachedAsync = cachedAsync;
/**
* Cache the result of a function on an object
*
* We could have used @decorators to make this nicer but we don't use them anywhere yet,
* so let's keep it simple and readable.
*/
function cached(obj, sym, fn) {
if (!(sym in obj)) {
obj[sym] = fn();
}
return obj[sym];
}
/**
* Like 'cached', but async
*/
async function cachedAsync(obj, sym, fn) {
if (!(sym in obj)) {
obj[sym] = await fn();
}
return obj[sym];
}
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