Function weightedAvg

packages/utils/src/internals/general.ts:114–125

(arrValues: number[], arrWeights: number[])

 * @ignore
 */
export function weightedAvg(arrValues: number[], arrWeights: number[]): number {
    const result = arrValues
        .map((value, i) => {
            const weight = arrWeights[i];
            const sum = value * weight;

            return [sum, weight];
        })
        .reduce((p, c) => [p[0] + c[0], p[1] + c[1]], [0, 0]);

    return result[0] / result[1];
}

/**
 * Returns a `Promise` that resolves after a specific period of time. This is useful to implement waiting