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2.6 KiB
1 lines
2.6 KiB
{"version":3,"file":"materialize.js","sourceRoot":"","sources":["../../src/operator/materialize.ts"],"names":[],"mappings":";AAGA,4BAA2C,0BAA0B,CAAC,CAAA;AAEtE;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GA2CG;AACH;IACE,MAAM,CAAC,yBAAW,EAAE,CAAC,IAAI,CAAgC,CAAC;AAC5D,CAAC;AAFe,mBAAW,cAE1B,CAAA","sourcesContent":["\nimport { Observable } from '../Observable';\nimport { Notification } from '../Notification';\nimport { materialize as higherOrder } from '../operators/materialize';\n\n/**\n * Represents all of the notifications from the source Observable as `next`\n * emissions marked with their original types within {@link Notification}\n * objects.\n *\n * <span class=\"informal\">Wraps `next`, `error` and `complete` emissions in\n * {@link Notification} objects, emitted as `next` on the output Observable.\n * </span>\n *\n * <img src=\"./img/materialize.png\" width=\"100%\">\n *\n * `materialize` returns an Observable that emits a `next` notification for each\n * `next`, `error`, or `complete` emission of the source Observable. When the\n * source Observable emits `complete`, the output Observable will emit `next` as\n * a Notification of type \"complete\", and then it will emit `complete` as well.\n * When the source Observable emits `error`, the output will emit `next` as a\n * Notification of type \"error\", and then `complete`.\n *\n * This operator is useful for producing metadata of the source Observable, to\n * be consumed as `next` emissions. Use it in conjunction with\n * {@link dematerialize}.\n *\n * @example <caption>Convert a faulty Observable to an Observable of Notifications</caption>\n * var letters = Rx.Observable.of('a', 'b', 13, 'd');\n * var upperCase = letters.map(x => x.toUpperCase());\n * var materialized = upperCase.materialize();\n * materialized.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // - Notification {kind: \"N\", value: \"A\", error: undefined, hasValue: true}\n * // - Notification {kind: \"N\", value: \"B\", error: undefined, hasValue: true}\n * // - Notification {kind: \"E\", value: undefined, error: TypeError:\n * // x.toUpperCase is not a function at MapSubscriber.letters.map.x\n * // [as project] (http://1…, hasValue: false}\n *\n * @see {@link Notification}\n * @see {@link dematerialize}\n *\n * @return {Observable<Notification<T>>} An Observable that emits\n * {@link Notification} objects that wrap the original emissions from the source\n * Observable with metadata.\n * @method materialize\n * @owner Observable\n */\nexport function materialize<T>(this: Observable<T>): Observable<Notification<T>> {\n return higherOrder()(this) as Observable<Notification<T>>;\n}\n"]} |