@launchmenu/core
Version:
An environment for visual keyboard controlled applets
29 lines • 1.93 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.mergeCallbacksOptional = exports.mergeCallbacks = void 0;
/**
* Merges a number of callbacks together
* @param callbacks The list of callbacks to be merged
* @returns The resulting callback that calls all callbacks
*/
function mergeCallbacks(callbacks) {
return mergeCallbacksOptional(callbacks) || (() => { });
}
exports.mergeCallbacks = mergeCallbacks;
/**
* Merges a number of callbacks together, possibly returning undefined if no callbacks were supplied
* @param callbacks The list of callbacks to be merged
* @returns The resulting callback that calls all callbacks, which returns the result of the last passed cb
*/
function mergeCallbacksOptional(callbacks) {
return callbacks.reduce((cur, cb) => cb
? cur
? (...data) => {
cur(...data);
return cb(...data);
}
: cb
: cur, undefined);
}
exports.mergeCallbacksOptional = mergeCallbacksOptional;
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