Get the Promise of an Ethereum transaction receipt when it is finally mined

getTransactionReceiptMined.js

module.exports = function getTransactionReceiptMined(txHash, interval, blockLimit) {
    const self = this;
    var count = 0;
    var blocks = blockLimit;

    const transactionReceiptAsync = function (resolve, reject) {
        if (count > blocks) {
            reject('Contract transaction couldn\'t be found after ', blocks, ' blocks');
            return;
        }

        self.getTransactionReceipt(txHash, (error, receipt) => {
            if (error) {
                reject(error);
            } else if (receipt == null) {
                setTimeout(
                    () => transactionReceiptAsync(resolve, reject),
                    interval ? interval : 500);
            } else {
                resolve(receipt);
            }
        });

        count++;
    };

    if (Array.isArray(txHash)) {
        return Promise.all(txHash.map(
            oneTxHash => self.getTransactionReceiptMined(oneTxHash, interval)));
    } else if (typeof txHash === "string") {
        return new Promise(transactionReceiptAsync);
    } else {
        throw new Error("Invalid Type: " + txHash);
    }
};