How to use the @ethersproject/bytes.zeroPad function in @ethersproject/bytes

return bytes_1.zeroPad(value, 32);
            }
            return bytes_1.arrayify(value);
    }
    var match = type.match(regexNumber);
    if (match) {
        //let signed = (match[1] === "int")
        var size = parseInt(match[2] || "256");
        if ((size % 8 != 0) || size === 0 || size > 256) {
            throw new Error("invalid number type - " + type);
        }
        if (isArray) {
            size = 256;
        }
        value = bignumber_1.BigNumber.from(value).toTwos(size);
        return bytes_1.zeroPad(value, size / 8);
    }
    match = type.match(regexBytes);
    if (match) {
        var size = parseInt(match[1]);
        if (String(size) != match[1] || size === 0 || size > 32) {
            throw new Error("invalid number type - " + type);
        }
        if (bytes_1.arrayify(value).byteLength !== size) {
            throw new Error("invalid value for " + type);
        }
        if (isArray) {
            return bytes_1.arrayify((value + Zeros).substring(0, 66));
        }
        return value;
    }
    match = type.match(regexArray);

function _pack(type, value, isArray) {
    switch (type) {
        case "address":
            if (isArray) {
                return zeroPad(value, 32);
            }
            return arrayify(value);
        case "string":
            return toUtf8Bytes(value);
        case "bytes":
            return arrayify(value);
        case "bool":
            value = (value ? "0x01" : "0x00");
            if (isArray) {
                return zeroPad(value, 32);
            }
            return arrayify(value);
    }
    let match = type.match(regexNumber);
    if (match) {
        //let signed = (match[1] === "int")

function _pack(type, value, isArray) {
    switch (type) {
        case "address":
            if (isArray) {
                return bytes_1.zeroPad(value, 32);
            }
            return bytes_1.arrayify(value);
        case "string":
            return strings_1.toUtf8Bytes(value);
        case "bytes":
            return bytes_1.arrayify(value);
        case "bool":
            value = (value ? "0x01" : "0x00");
            if (isArray) {
                return bytes_1.zeroPad(value, 32);
            }
            return bytes_1.arrayify(value);
    }
    var match = type.match(regexNumber);
    if (match) {
        //let signed = (match[1] === "int")

function _pack(type: string, value: any, isArray?: boolean): Uint8Array {
    switch(type) {
        case "address":
            if (isArray) { return zeroPad(value, 32); }
            return arrayify(value);
        case "string":
            return toUtf8Bytes(value);
        case "bytes":
            return arrayify(value);
        case "bool":
            value = (value ? "0x01": "0x00");
            if (isArray) { return zeroPad(value, 32); }
            return arrayify(value);
    }

    let match =  type.match(regexNumber);
    if (match) {
        //let signed = (match[1] === "int")
        let size = parseInt(match[2] || "256")
        if ((size % 8 != 0) || size === 0 || size > 256) {

function _pack(type: string, value: any, isArray?: boolean): Uint8Array {
    switch(type) {
        case "address":
            if (isArray) { return zeroPad(value, 32); }
            return arrayify(value);
        case "string":
            return toUtf8Bytes(value);
        case "bytes":
            return arrayify(value);
        case "bool":
            value = (value ? "0x01": "0x00");
            if (isArray) { return zeroPad(value, 32); }
            return arrayify(value);
    }

    let match =  type.match(regexNumber);
    if (match) {
        //let signed = (match[1] === "int")
        let size = parseInt(match[2] || "256")
        if ((size % 8 != 0) || size === 0 || size > 256) {
            throw new Error("invalid number type - " + type);
        }

        if (isArray) { size = 256; }

        value = BigNumber.from(value).toTwos(size);

        return zeroPad(value, size / 8);

return arrayify(value);
    }

    let match =  type.match(regexNumber);
    if (match) {
        //let signed = (match[1] === "int")
        let size = parseInt(match[2] || "256")
        if ((size % 8 != 0) || size === 0 || size > 256) {
            throw new Error("invalid number type - " + type);
        }

        if (isArray) { size = 256; }

        value = BigNumber.from(value).toTwos(size);

        return zeroPad(value, size / 8);
    }

    match = type.match(regexBytes);
    if (match) {
        const size = parseInt(match[1]);
        if (String(size) != match[1] || size === 0 || size > 32) {
            throw new Error("invalid number type - " + type);
        }
        if (arrayify(value).byteLength !== size) { throw new Error("invalid value for " + type); }
        if (isArray) { return arrayify((value + Zeros).substring(0, 66)); }
        return value;
    }

    match = type.match(regexArray);
    if (match && Array.isArray(value)) {
        const baseType = match[1];

function _pack(type, value, isArray) {
    switch (type) {
        case "address":
            if (isArray) {
                return bytes_1.zeroPad(value, 32);
            }
            return bytes_1.arrayify(value);
        case "string":
            return strings_1.toUtf8Bytes(value);
        case "bytes":
            return bytes_1.arrayify(value);
        case "bool":
            value = (value ? "0x01" : "0x00");
            if (isArray) {
                return bytes_1.zeroPad(value, 32);
            }
            return bytes_1.arrayify(value);
    }
    var match = type.match(regexNumber);
    if (match) {
        //let signed = (match[1] === "int")
        var size = parseInt(match[2] || "256");
        if ((size % 8 != 0) || size === 0 || size > 256) {
            throw new Error("invalid number type - " + type);
        }
        if (isArray) {
            size = 256;
        }
        value = bignumber_1.BigNumber.from(value).toTwos(size);
        return bytes_1.zeroPad(value, size / 8);
    }