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- {"version":3,"file":"map.js","sourceRoot":"","sources":["../../src/operator/map.ts"],"names":[],"mappings":";AAAA,oBAAsC,kBAAkB,CAAC,CAAA;AAGzD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GAgCG;AACH,aAA+C,OAAuC,EAAE,OAAa;IACnG,MAAM,CAAC,SAAc,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC,IAAI,CAAC,CAAC;AAChD,CAAC;AAFe,WAAG,MAElB,CAAA","sourcesContent":["import { map as higherOrderMap } from '../operators/map';\nimport { Observable } from '../Observable';\n\n/**\n * Applies a given `project` function to each value emitted by the source\n * Observable, and emits the resulting values as an Observable.\n *\n * <span class=\"informal\">Like [Array.prototype.map()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map),\n * it passes each source value through a transformation function to get\n * corresponding output values.</span>\n *\n * <img src=\"./img/map.png\" width=\"100%\">\n *\n * Similar to the well known `Array.prototype.map` function, this operator\n * applies a projection to each value and emits that projection in the output\n * Observable.\n *\n * @example <caption>Map every click to the clientX position of that click</caption>\n * var clicks = Rx.Observable.fromEvent(document, 'click');\n * var positions = clicks.map(ev => ev.clientX);\n * positions.subscribe(x => console.log(x));\n *\n * @see {@link mapTo}\n * @see {@link pluck}\n *\n * @param {function(value: T, index: number): R} project The function to apply\n * to each `value` emitted by the source Observable. The `index` parameter is\n * the number `i` for the i-th emission that has happened since the\n * subscription, starting from the number `0`.\n * @param {any} [thisArg] An optional argument to define what `this` is in the\n * `project` function.\n * @return {Observable<R>} An Observable that emits the values from the source\n * Observable transformed by the given `project` function.\n * @method map\n * @owner Observable\n */\nexport function map<T, R>(this: Observable<T>, project: (value: T, index: number) => R, thisArg?: any): Observable<R> {\n return higherOrderMap(project, thisArg)(this);\n}\n"]}
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