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on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago |
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[d24f17c] | 1 | import { curryN, map, pipe } from 'ramda';
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| 2 | import allP from './allP';
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| 3 | import rejectP from './rejectP';
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| 4 | import resolveP from './resolveP';
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| 5 |
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| 6 | /**
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| 7 | * Returns a Promise that is resolved with an array of reasons when all of the provided Promises reject, or rejected when any Promise is resolved.
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| 8 | * This pattern is like allP, but fulfillments and rejections are transposed - rejections become the fulfillment values and vice versa.
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| 9 | *
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| 10 | * @func noneP
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| 11 | * @memberOf RA
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| 12 | * @since {@link https://char0n.github.io/ramda-adjunct/2.22.0|v2.22.0}
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| 13 | * @category Function
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| 14 | * @sig [Promise a] -> Promise [a]
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| 15 | * @param {Iterable.<*>} iterable An iterable object such as an Array or String
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| 16 | * @return {Promise} A Promise that is resolved with a list of rejection reasons if all Promises are rejected, or a Promise that is rejected with the fulfillment value of the first Promise that resolves.
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| 17 | * @see {@link RA.allP|allP}
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| 18 | * @example
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| 19 | *
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| 20 | * RA.noneP([Promise.reject('hello'), Promise.reject('world')]); //=> Promise(['hello', 'world'])
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| 21 | * RA.noneP([]); //=> Promise([])
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| 22 | * RA.noneP([Promise.reject(), Promise.resolve('hello world')]); //=> Promise('hello world')
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| 23 | * RA.noneP([Promise.reject(), 'hello world']); //=> Promise('hello world')
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| 24 | */
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| 25 | var noneP = curryN(1, pipe(map(resolveP), map(function (p) {
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| 26 | return p.then(rejectP, resolveP);
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| 27 | }), allP));
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| 28 | export default noneP; |
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