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7.0 KiB
JSON
1 line
7.0 KiB
JSON
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{"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) ? jqueryMethods.map(toCommonHandlerRegistry(target, eventName)) : [];\n if (!add) {\n if (isArrayLike(target)) {\n return mergeMap(subTarget => fromEvent(subTarget, eventName, options))(innerFrom(target));\n }\n }\n if (!add) {\n throw new TypeError('Invalid event target');\n }\n return new Observable(subscriber => {\n const handler = (...args) => subscriber.next(1 < args.length ? args : args[0]);\n add(handler);\n return () => remove(handler);\n });\n}\nfunction toCommonHandlerRegistry(target, eventName) {\n return methodName => handler => target[methodName](eventName, handler);\n}\nfunction isNodeStyleEventEmitter(target) {\n return isFunction(target.addListener) && isFunction(target.removeListener);\n}\nfunction isJQueryStyleEventEmitter(target) {\n return isFunction(target.on) && isFunction(target.off);\n}\nfunction isEventTarget(target) {\n return isFunction(target.addEventListener) && isFunction(target.removeEventListener);\n}","map":{"version":3,"names":["innerFrom","Observable","mergeMap","isArrayLike","isFunction","mapOneOrManyArgs","nodeEventEmitterMethods","eventTargetMethods","jqueryMethods","fromEvent","target","eventName","options","resultSelector","undefined","pipe","add","remove","isEventTarget","map","methodName","handler","isNodeStyleEventEmitter","toCommonHandlerRegistry","isJQueryStyleEventEmitter","subTarget","TypeError","subscriber","args","next","length","addListener","removeListener","on","off","addEventListener","removeEventListener"],"sources":["/home/poule/encrypted/stockage-syncable/www/development/html/digital-theory/repl/node_modules/rxjs/dist/esm/internal/observable/fromEvent.js"],"sourcesContent":["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)\n ? eventTargetMethods.map((methodName) => (handler) => target[methodName](eventName, handler, options))\n :\n isNodeStyleEventEmitter(target)\n ? nodeEventEmitterMethods.map(toCommonHandlerRegistry(target, eventName))\n : isJQueryStyleEventEmitter(target)\n ? jqueryMethods.map(toCommonHandlerRegistry(target, eventName))\n : [];\n if (!add) {\n if (isArrayLike(targe
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