@reactivex/ix-esnext-esm/iterable/reduceright.mjs.map

The Interactive Extensions for JavaScript

{"version":3,"sources":["iterable/reduceright.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAC;AAWpC,MAAM,UAAU,WAAW,CACzB,MAAmB,EACnB,WAA2E,EAC3E,GAAG,IAAS;IAEZ,MAAM,KAAK,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC;IAC9B,MAAM,OAAO,GAAG,IAAI,CAAC,MAAM,KAAK,CAAC,CAAC;IAClC,IAAI,QAAQ,GAAG,KAAK,CAAC;IACrB,IAAI,GAAG,GAAG,IAAI,CAAC,CAAC,CAAU,CAAC;IAC3B,KAAK,IAAI,MAAM,GAAG,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE,MAAM,IAAI,CAAC,EAAE,MAAM,EAAE,EAAE;QACzD,MAAM,IAAI,GAAG,KAAK,CAAC,MAAM,CAAC,CAAC;QAC3B,IAAI,QAAQ,IAAI,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE;YACpC,GAAG,GAAG,WAAW,CAAI,GAAG,EAAE,IAAI,EAAE,MAAM,CAAC,CAAC;SACzC;aAAM;YACL,GAAG,GAAG,IAAI,CAAC;YACX,QAAQ,GAAG,IAAI,CAAC;SACjB;KACF;IAED,IAAI,CAAC,CAAC,OAAO,IAAI,QAAQ,CAAC,EAAE;QAC1B,MAAM,IAAI,KAAK,CAAC,+BAA+B,CAAC,CAAC;KAClD;IAED,OAAO,GAAQ,CAAC;AAClB,CAAC","file":"reduceright.js","sourcesContent":["import { toArray } from './toarray';\nexport function reduceRight<T, R = T>(\n  source: Iterable<T>,\n  accumulator: (previousValue: R, currentValue: T, currentIndex: number) => R,\n  seed?: never[]\n): R;\nexport function reduceRight<T, R = T>(\n  source: Iterable<T>,\n  accumulator: (previousValue: R, currentValue: T, currentIndex: number) => R,\n  seed?: R\n): R;\nexport function reduceRight<T, R = T>(\n  source: Iterable<T>,\n  accumulator: (previousValue: R, currentValue: T, currentIndex: number) => R,\n  ...seed: R[]\n): R {\n  const array = toArray(source);\n  const hasSeed = seed.length === 1;\n  let hasValue = false;\n  let acc = seed[0] as T | R;\n  for (let offset = array.length - 1; offset >= 0; offset--) {\n    const item = array[offset];\n    if (hasValue || (hasValue = hasSeed)) {\n      acc = accumulator(<R>acc, item, offset);\n    } else {\n      acc = item;\n      hasValue = true;\n    }\n  }\n\n  if (!(hasSeed || hasValue)) {\n    throw new Error('Sequence contains no elements');\n  }\n\n  return acc as R;\n}\n"]}