How to use the linq-to-typescript/parallel.ParallelGeneratorType.PromiseOfPromises function in linq-to-typescript

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github arogozine / LinqToTypeScript / test / TestHelpers.ts View on Github external
        const b = (x: T[]) => asParallel(ParallelGeneratorType.PromiseOfPromises, x)
        const c = (x: T[]) => asParallel(ParallelGeneratorType.PromiseToArray, x)
github arogozine / LinqToTypeScript / test / TestHelpers.ts View on Github external
function asParallel(type: ParallelGeneratorType, values: T[]): IParallelEnumerable {
    const generator1 = () =>
        values.map((value) => new Promise((resolve) => setTimeout(() => resolve(value), 10)))
    const generator2 = () =>
        new Promise((resolve) => setTimeout(() => resolve([... values]), 10))
    const generator3 = async () =>
        await generator1()
    switch (type) {
        case ParallelGeneratorType.ArrayOfPromises:
            return fromParallel(type, generator1)
        case ParallelGeneratorType.PromiseToArray:
            return fromParallel(type, generator2)
        case ParallelGeneratorType.PromiseOfPromises:
        default:
            return fromParallel(type, generator3)
    }

}