Last change
on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
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1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | var EmptyError_1 = require("../util/EmptyError");
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4 | var filter_1 = require("./filter");
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5 | var take_1 = require("./take");
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6 | var defaultIfEmpty_1 = require("./defaultIfEmpty");
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7 | var throwIfEmpty_1 = require("./throwIfEmpty");
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8 | var identity_1 = require("../util/identity");
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9 | function first(predicate, defaultValue) {
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10 | var hasDefaultValue = arguments.length >= 2;
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11 | return function (source) { return source.pipe(predicate ? filter_1.filter(function (v, i) { return predicate(v, i, source); }) : identity_1.identity, take_1.take(1), hasDefaultValue ? defaultIfEmpty_1.defaultIfEmpty(defaultValue) : throwIfEmpty_1.throwIfEmpty(function () { return new EmptyError_1.EmptyError(); })); };
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12 | }
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13 | exports.first = first;
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14 | //# sourceMappingURL=first.js.map |
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