| 1 |
- {"ast":null,"code":"import { EmptyError } from '../util/EmptyError';\nimport { filter } from './filter';\nimport { take } from './take';\nimport { defaultIfEmpty } from './defaultIfEmpty';\nimport { throwIfEmpty } from './throwIfEmpty';\nimport { identity } from '../util/identity';\nexport function first(predicate, defaultValue) {\n const hasDefaultValue = arguments.length >= 2;\n return source => source.pipe(predicate ? filter((v, i) => predicate(v, i, source)) : identity, take(1), hasDefaultValue ? defaultIfEmpty(defaultValue) : throwIfEmpty(() => new EmptyError()));\n}\n//# sourceMappingURL=first.js.map","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}
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