13 lines
282 B
JavaScript
13 lines
282 B
JavaScript
"use strict"
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var combine = require("./stream").combine
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module.exports = function (reducer, seed, stream) {
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var newStream = combine(function (s) {
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return seed = reducer(seed, s._state.value)
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}, [stream])
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if (newStream._state.state === 0) newStream(seed)
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return newStream
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}
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