digital-theory/repl/.angular/cache/16.1.3/babel-webpack/4ab75e193122f8be28306189082f3136a2cc248466d68b678a7cbdf15c6b52a7.json

{"ast":null,"code":"import { innerFrom } from '../observable/innerFrom';\nimport { Observable } from '../Observable';\nimport { mergeMap } from '../operators/mergeMap';\nimport { isArrayLike } from '../util/isArrayLike';\nimport { isFunction } from '../util/isFunction';\nimport { mapOneOrManyArgs } from '../util/mapOneOrManyArgs';\nconst nodeEventEmitterMethods = ['addListener', 'removeListener'];\nconst eventTargetMethods = ['addEventListener', 'removeEventListener'];\nconst jqueryMethods = ['on', 'off'];\nexport function fromEvent(target, eventName, options, resultSelector) {\n  if (isFunction(options)) {\n    resultSelector = options;\n    options = undefined;\n  }\n  if (resultSelector) {\n    return fromEvent(target, eventName, options).pipe(mapOneOrManyArgs(resultSelector));\n  }\n  const [add, remove] = isEventTarget(target) ? eventTargetMethods.map(methodName => handler => target[methodName](eventName, handler, options)) : isNodeStyleEventEmitter(target) ? nodeEventEmitterMethods.map(toCommonHandlerRegistry(target, eventName)) : isJQueryStyleEventEmitter(target) ? 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