MAINHACK

Viewing / Editing File: bson.cjs

'use strict';

const BSON_MAJOR_VERSION = 7;
const BSON_VERSION_SYMBOL = Symbol.for('@@mdb.bson.version');
const BSON_INT32_MAX = 0x7fffffff;
const BSON_INT32_MIN = -2147483648;
const BSON_INT64_MAX = Math.pow(2, 63) - 1;
const BSON_INT64_MIN = -Math.pow(2, 63);
const JS_INT_MAX = Math.pow(2, 53);
const JS_INT_MIN = -Math.pow(2, 53);
const BSON_DATA_NUMBER = 1;
const BSON_DATA_STRING = 2;
const BSON_DATA_OBJECT = 3;
const BSON_DATA_ARRAY = 4;
const BSON_DATA_BINARY = 5;
const BSON_DATA_UNDEFINED = 6;
const BSON_DATA_OID = 7;
const BSON_DATA_BOOLEAN = 8;
const BSON_DATA_DATE = 9;
const BSON_DATA_NULL = 10;
const BSON_DATA_REGEXP = 11;
const BSON_DATA_DBPOINTER = 12;
const BSON_DATA_CODE = 13;
const BSON_DATA_SYMBOL = 14;
const BSON_DATA_CODE_W_SCOPE = 15;
const BSON_DATA_INT = 16;
const BSON_DATA_TIMESTAMP = 17;
const BSON_DATA_LONG = 18;
const BSON_DATA_DECIMAL128 = 19;
const BSON_DATA_MIN_KEY = 0xff;
const BSON_DATA_MAX_KEY = 0x7f;
const BSON_BINARY_SUBTYPE_DEFAULT = 0;
const BSON_BINARY_SUBTYPE_UUID_NEW = 4;
const BSONType = Object.freeze({
    double: 1,
    string: 2,
    object: 3,
    array: 4,
    binData: 5,
    undefined: 6,
    objectId: 7,
    bool: 8,
    date: 9,
    null: 10,
    regex: 11,
    dbPointer: 12,
    javascript: 13,
    symbol: 14,
    javascriptWithScope: 15,
    int: 16,
    timestamp: 17,
    long: 18,
    decimal: 19,
    minKey: -1,
    maxKey: 127
});

class BSONError extends Error {
    get bsonError() {
        return true;
    }
    get name() {
        return 'BSONError';
    }
    constructor(message, options) {
        super(message, options);
    }
    static isBSONError(value) {
        return (value != null &&
            typeof value === 'object' &&
            'bsonError' in value &&
            value.bsonError === true &&
            'name' in value &&
            'message' in value &&
            'stack' in value);
    }
}
class BSONVersionError extends BSONError {
    get name() {
        return 'BSONVersionError';
    }
    constructor() {
        super(`Unsupported BSON version, bson types must be from bson ${BSON_MAJOR_VERSION}.x.x`);
    }
}
class BSONRuntimeError extends BSONError {
    get name() {
        return 'BSONRuntimeError';
    }
    constructor(message) {
        super(message);
    }
}
class BSONOffsetError extends BSONError {
    get name() {
        return 'BSONOffsetError';
    }
    offset;
    constructor(message, offset, options) {
        super(`${message}. offset: ${offset}`, options);
        this.offset = offset;
    }
}

let TextDecoderFatal;
let TextDecoderNonFatal;
function parseUtf8(buffer, start, end, fatal) {
    if (fatal) {
        TextDecoderFatal ??= new TextDecoder('utf8', { fatal: true });
        try {
            return TextDecoderFatal.decode(buffer.subarray(start, end));
        }
        catch (cause) {
            throw new BSONError('Invalid UTF-8 string in BSON document', { cause });
        }
    }
    TextDecoderNonFatal ??= new TextDecoder('utf8', { fatal: false });
    return TextDecoderNonFatal.decode(buffer.subarray(start, end));
}

const hasGlobalBuffer = typeof Buffer === 'function' && Buffer.prototype?._isBuffer !== true;
const ByteUtils = hasGlobalBuffer ? nodeJsByteUtils : webByteUtils;

class Binary extends BSONValue {
    get _bsontype() {
        return 'Binary';
    }
    static BSON_BINARY_SUBTYPE_DEFAULT = 0;
    static BUFFER_SIZE = 256;
    static SUBTYPE_DEFAULT = 0;
    static SUBTYPE_FUNCTION = 1;
    static SUBTYPE_BYTE_ARRAY = 2;
    static SUBTYPE_UUID_OLD = 3;
    static SUBTYPE_UUID = 4;
    static SUBTYPE_MD5 = 5;
    static SUBTYPE_ENCRYPTED = 6;
    static SUBTYPE_COLUMN = 7;
    static SUBTYPE_SENSITIVE = 8;
    static SUBTYPE_VECTOR = 9;
    static SUBTYPE_USER_DEFINED = 128;
    static VECTOR_TYPE = Object.freeze({
        Int8: 0x03,
        Float32: 0x27,
        PackedBit: 0x10
    });
    buffer;
    sub_type;
    position;
    constructor(buffer, subType) {
        super();
        if (!(buffer == null) &&
            typeof buffer === 'string' &&
            !ArrayBuffer.isView(buffer) &&
            !isAnyArrayBuffer(buffer) &&
            !Array.isArray(buffer)) {
            throw new BSONError('Binary can only be constructed from Uint8Array or number[]');
        }
        this.sub_type = subType ?? Binary.BSON_BINARY_SUBTYPE_DEFAULT;
        if (buffer == null) {
            this.buffer = ByteUtils.allocate(Binary.BUFFER_SIZE);
            this.position = 0;
        }
        else {
            this.buffer = Array.isArray(buffer)
                ? ByteUtils.fromNumberArray(buffer)
                : ByteUtils.toLocalBufferType(buffer);
            this.position = this.buffer.byteLength;
        }
    }
    put(byteValue) {
        if (typeof byteValue === 'string' && byteValue.length !== 1) {
            throw new BSONError('only accepts single character String');
        }
        else if (typeof byteValue !== 'number' && byteValue.length !== 1)
            throw new BSONError('only accepts single character Uint8Array or Array');
        let decodedByte;
        if (typeof byteValue === 'string') {
            decodedByte = byteValue.charCodeAt(0);
        }
        else if (typeof byteValue === 'number') {
            decodedByte = byteValue;
        }
        else {
            decodedByte = byteValue[0];
        }
        if (decodedByte < 0 || decodedByte > 255) {
            throw new BSONError('only accepts number in a valid unsigned byte range 0-255');
        }
        if (this.buffer.byteLength > this.position) {
            this.buffer[this.position++] = decodedByte;
        }
        else {
            const newSpace = ByteUtils.allocate(Binary.BUFFER_SIZE + this.buffer.length);
            newSpace.set(this.buffer, 0);
            this.buffer = newSpace;
            this.buffer[this.position++] = decodedByte;
        }
    }
    write(sequence, offset) {
        offset = typeof offset === 'number' ? offset : this.position;
        if (this.buffer.byteLength < offset + sequence.length) {
            const newSpace = ByteUtils.allocate(this.buffer.byteLength + sequence.length);
            newSpace.set(this.buffer, 0);
            this.buffer = newSpace;
        }
        if (ArrayBuffer.isView(sequence)) {
            this.buffer.set(ByteUtils.toLocalBufferType(sequence), offset);
            this.position =
                offset + sequence.byteLength > this.position ? offset + sequence.length : this.position;
        }
        else if (typeof sequence === 'string') {
            throw new BSONError('input cannot be string');
        }
    }
    read(position, length) {
        length = length && length > 0 ? length : this.position;
        const end = position + length;
        return this.buffer.subarray(position, end > this.position ? this.position : end);
    }
    value() {
        return this.buffer.length === this.position
            ? this.buffer
            : this.buffer.subarray(0, this.position);
    }
    length() {
        return this.position;
    }
    toJSON() {
        return ByteUtils.toBase64(this.buffer.subarray(0, this.position));
    }
    toString(encoding) {
        if (encoding === 'hex')
            return ByteUtils.toHex(this.buffer.subarray(0, this.position));
        if (encoding === 'base64')
            return ByteUtils.toBase64(this.buffer.subarray(0, this.position));
        if (encoding === 'utf8' || encoding === 'utf-8')
            return ByteUtils.toUTF8(this.buffer, 0, this.position, false);
        return ByteUtils.toUTF8(this.buffer, 0, this.position, false);
    }
    toExtendedJSON(options) {
        options = options || {};
        if (this.sub_type === Binary.SUBTYPE_VECTOR) {
            validateBinaryVector(this);
        }
        const base64String = ByteUtils.toBase64(this.buffer);
        const subType = Number(this.sub_type).toString(16);
        if (options.legacy) {
            return {
                $binary: base64String,
                $type: subType.length === 1 ? '0' + subType : subType
            };
        }
        return {
            $binary: {
                base64: base64String,
                subType: subType.length === 1 ? '0' + subType : subType
            }
        };
    }
    toUUID() {
        if (this.sub_type === Binary.SUBTYPE_UUID) {
            return new UUID(this.buffer.subarray(0, this.position));
        }
        throw new BSONError(`Binary sub_type "${this.sub_type}" is not supported for converting to UUID. Only "${Binary.SUBTYPE_UUID}" is currently supported.`);
    }
    static createFromHexString(hex, subType) {
        return new Binary(ByteUtils.fromHex(hex), subType);
    }
    static createFromBase64(base64, subType) {
        return new Binary(ByteUtils.fromBase64(base64), subType);
    }
    static fromExtendedJSON(doc, options) {
        options = options || {};
        let data;
        let type;
        if ('$binary' in doc) {
            if (options.legacy && typeof doc.$binary === 'string' && '$type' in doc) {
                type = doc.$type ? parseInt(doc.$type, 16) : 0;
                data = ByteUtils.fromBase64(doc.$binary);
            }
            else {
                if (typeof doc.$binary !== 'string') {
                    type = doc.$binary.subType ? parseInt(doc.$binary.subType, 16) : 0;
                    data = ByteUtils.fromBase64(doc.$binary.base64);
                }
            }
        }
        else if ('$uuid' in doc) {
            type = 4;
            data = UUID.bytesFromString(doc.$uuid);
        }
        if (!data) {
            throw new BSONError(`Unexpected Binary Extended JSON format ${JSON.stringify(doc)}`);
        }
        return type === BSON_BINARY_SUBTYPE_UUID_NEW ? new UUID(data) : new Binary(data, type);
    }
    inspect(depth, options, inspect) {
        inspect ??= defaultInspect;
        const base64 = ByteUtils.toBase64(this.buffer.subarray(0, this.position));
        const base64Arg = inspect(base64, options);
        const subTypeArg = inspect(this.sub_type, options);
        return `Binary.createFromBase64(${base64Arg}, ${subTypeArg})`;
    }
    toInt8Array() {
        if (this.sub_type !== Binary.SUBTYPE_VECTOR) {
            throw new BSONError('Binary sub_type is not Vector');
        }
        if (this.buffer[0] !== Binary.VECTOR_TYPE.Int8) {
            throw new BSONError('Binary datatype field is not Int8');
        }
        validateBinaryVector(this);
        return new Int8Array(this.buffer.buffer.slice(this.buffer.byteOffset + 2, this.buffer.byteOffset + this.position));
    }
    toFloat32Array() {
        if (this.sub_type !== Binary.SUBTYPE_VECTOR) {
            throw new BSONError('Binary sub_type is not Vector');
        }
        if (this.buffer[0] !== Binary.VECTOR_TYPE.Float32) {
            throw new BSONError('Binary datatype field is not Float32');
        }
        validateBinaryVector(this);
        const floatBytes = new Uint8Array(this.buffer.buffer.slice(this.buffer.byteOffset + 2, this.buffer.byteOffset + this.position));
        if (NumberUtils.isBigEndian)
            ByteUtils.swap32(floatBytes);
        return new Float32Array(floatBytes.buffer);
    }
    toPackedBits() {
        if (this.sub_type !== Binary.SUBTYPE_VECTOR) {
            throw new BSONError('Binary sub_type is not Vector');
        }
        if (this.buffer[0] !== Binary.VECTOR_TYPE.PackedBit) {
            throw new BSONError('Binary datatype field is not packed bit');
        }
        validateBinaryVector(this);
        return new Uint8Array(this.buffer.buffer.slice(this.buffer.byteOffset + 2, this.buffer.byteOffset + this.position));
    }
    toBits() {
        if (this.sub_type !== Binary.SUBTYPE_VECTOR) {
            throw new BSONError('Binary sub_type is not Vector');
        }
        if (this.buffer[0] !== Binary.VECTOR_TYPE.PackedBit) {
            throw new BSONError('Binary datatype field is not packed bit');
        }
        validateBinaryVector(this);
        const byteCount = this.length() - 2;
        const bitCount = byteCount * 8 - this.buffer[1];
        const bits = new Int8Array(bitCount);
        for (let bitOffset = 0; bitOffset < bits.length; bitOffset++) {
            const byteOffset = (bitOffset / 8) | 0;
            const byte = this.buffer[byteOffset + 2];
            const shift = 7 - (bitOffset % 8);
            const bit = (byte >> shift) & 1;
            bits[bitOffset] = bit;
        }
        return bits;
    }
    static fromInt8Array(array) {
        const buffer = ByteUtils.allocate(array.byteLength + 2);
        buffer[0] = Binary.VECTOR_TYPE.Int8;
        buffer[1] = 0;
        const intBytes = new Uint8Array(array.buffer, array.byteOffset, array.byteLength);
        buffer.set(intBytes, 2);
        const bin = new this(buffer, this.SUBTYPE_VECTOR);
        validateBinaryVector(bin);
        return bin;
    }
    static fromFloat32Array(array) {
        const binaryBytes = ByteUtils.allocate(array.byteLength + 2);
        binaryBytes[0] = Binary.VECTOR_TYPE.Float32;
        binaryBytes[1] = 0;
        const floatBytes = new Uint8Array(array.buffer, array.byteOffset, array.byteLength);
        binaryBytes.set(floatBytes, 2);
        if (NumberUtils.isBigEndian)
            ByteUtils.swap32(new Uint8Array(binaryBytes.buffer, 2));
        const bin = new this(binaryBytes, this.SUBTYPE_VECTOR);
        validateBinaryVector(bin);
        return bin;
    }
    static fromPackedBits(array, padding = 0) {
        const buffer = ByteUtils.allocate(array.byteLength + 2);
        buffer[0] = Binary.VECTOR_TYPE.PackedBit;
        buffer[1] = padding;
        buffer.set(array, 2);
        const bin = new this(buffer, this.SUBTYPE_VECTOR);
        validateBinaryVector(bin);
        return bin;
    }
    static fromBits(bits) {
        const byteLength = (bits.length + 7) >>> 3;
        const bytes = new Uint8Array(byteLength + 2);
        bytes[0] = Binary.VECTOR_TYPE.PackedBit;
        const remainder = bits.length % 8;
        bytes[1] = remainder === 0 ? 0 : 8 - remainder;
        for (let bitOffset = 0; bitOffset < bits.length; bitOffset++) {
            const byteOffset = bitOffset >>> 3;
            const bit = bits[bitOffset];
            if (bit !== 0 && bit !== 1) {
                throw new BSONError(`Invalid bit value at ${bitOffset}: must be 0 or 1, found ${bits[bitOffset]}`);
            }
            if (bit === 0)
                continue;
            const shift = 7 - (bitOffset % 8);
            bytes[byteOffset + 2] |= bit << shift;
        }
        return new this(bytes, Binary.SUBTYPE_VECTOR);
    }
}
function validateBinaryVector(vector) {
    if (vector.sub_type !== Binary.SUBTYPE_VECTOR)
        return;
    const size = vector.position;
    const datatype = vector.buffer[0];
    const padding = vector.buffer[1];
    if ((datatype === Binary.VECTOR_TYPE.Float32 || datatype === Binary.VECTOR_TYPE.Int8) &&
        padding !== 0) {
        throw new BSONError('Invalid Vector: padding must be zero for int8 and float32 vectors');
    }
    if (datatype === Binary.VECTOR_TYPE.Float32) {
        if (size !== 0 && size - 2 !== 0 && (size - 2) % 4 !== 0) {
            throw new BSONError('Invalid Vector: Float32 vector must contain a multiple of 4 bytes');
        }
    }
    if (datatype === Binary.VECTOR_TYPE.PackedBit && padding !== 0 && size === 2) {
        throw new BSONError('Invalid Vector: padding must be zero for packed bit vectors that are empty');
    }
    if (datatype === Binary.VECTOR_TYPE.PackedBit && padding > 7) {
        throw new BSONError(`Invalid Vector: padding must be a value between 0 and 7. found: ${padding}`);
    }
}
const UUID_BYTE_LENGTH = 16;
const UUID_WITHOUT_DASHES = /^[0-9A-F]{32}$/i;
const UUID_WITH_DASHES = /^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i;
class UUID extends Binary {
    constructor(input) {
        let bytes;
        if (input == null) {
            bytes = UUID.generate();
        }
        else if (input instanceof UUID) {
            bytes = ByteUtils.toLocalBufferType(new Uint8Array(input.buffer));
        }
        else if (ArrayBuffer.isView(input) && input.byteLength === UUID_BYTE_LENGTH) {
            bytes = ByteUtils.toLocalBufferType(input);
        }
        else if (typeof input === 'string') {
            bytes = UUID.bytesFromString(input);
        }
        else {
            throw new BSONError('Argument passed in UUID constructor must be a UUID, a 16 byte Buffer or a 32/36 character hex string (dashes excluded/included, format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).');
        }
        super(bytes, BSON_BINARY_SUBTYPE_UUID_NEW);
    }
    get id() {
        return this.buffer;
    }
    set id(value) {
        this.buffer = value;
    }
    toHexString(includeDashes = true) {
        if (includeDashes) {
            return [
                ByteUtils.toHex(this.buffer.subarray(0, 4)),
                ByteUtils.toHex(this.buffer.subarray(4, 6)),
                ByteUtils.toHex(this.buffer.subarray(6, 8)),
                ByteUtils.toHex(this.buffer.subarray(8, 10)),
                ByteUtils.toHex(this.buffer.subarray(10, 16))
            ].join('-');
        }
        return ByteUtils.toHex(this.buffer);
    }
    toString(encoding) {
        if (encoding === 'hex')
            return ByteUtils.toHex(this.id);
        if (encoding === 'base64')
            return ByteUtils.toBase64(this.id);
        return this.toHexString();
    }
    toJSON() {
        return this.toHexString();
    }
    equals(otherId) {
        if (!otherId) {
            return false;
        }
        if (otherId instanceof UUID) {
            return ByteUtils.equals(otherId.id, this.id);
        }
        try {
            return ByteUtils.equals(new UUID(otherId).id, this.id);
        }
        catch {
            return false;
        }
    }
    toBinary() {
        return new Binary(this.id, Binary.SUBTYPE_UUID);
    }
    static generate() {
        const bytes = ByteUtils.randomBytes(UUID_BYTE_LENGTH);
        bytes[6] = (bytes[6] & 0x0f) | 0x40;
        bytes[8] = (bytes[8] & 0x3f) | 0x80;
        return bytes;
    }
    static isValid(input) {
        if (!input) {
            return false;
        }
        if (typeof input === 'string') {
            return UUID.isValidUUIDString(input);
        }
        if (isUint8Array(input)) {
            return input.byteLength === UUID_BYTE_LENGTH;
        }
        return (input._bsontype === 'Binary' &&
            input.sub_type === this.SUBTYPE_UUID &&
            input.buffer.byteLength === 16);
    }
    static createFromHexString(hexString) {
        const buffer = UUID.bytesFromString(hexString);
        return new UUID(buffer);
    }
    static createFromBase64(base64) {
        return new UUID(ByteUtils.fromBase64(base64));
    }
    static bytesFromString(representation) {
        if (!UUID.isValidUUIDString(representation)) {
            throw new BSONError('UUID string representation must be 32 hex digits or canonical hyphenated representation');
        }
        return ByteUtils.fromHex(representation.replace(/-/g, ''));
    }
    static isValidUUIDString(representation) {
        return UUID_WITHOUT_DASHES.test(representation) || UUID_WITH_DASHES.test(representation);
    }
    inspect(depth, options, inspect) {
        inspect ??= defaultInspect;
        return `new UUID(${inspect(this.toHexString(), options)})`;
    }
}

class Code extends BSONValue {
    get _bsontype() {
        return 'Code';
    }
    code;
    scope;
    constructor(code, scope) {
        super();
        this.code = code.toString();
        this.scope = scope ?? null;
    }
    toJSON() {
        if (this.scope != null) {
            return { code: this.code, scope: this.scope };
        }
        return { code: this.code };
    }
    toExtendedJSON() {
        if (this.scope) {
            return { $code: this.code, $scope: this.scope };
        }
        return { $code: this.code };
    }
    static fromExtendedJSON(doc) {
        return new Code(doc.$code, doc.$scope);
    }
    inspect(depth, options, inspect) {
        inspect ??= defaultInspect;
        let parametersString = inspect(this.code, options);
        const multiLineFn = parametersString.includes('\n');
        if (this.scope != null) {
            parametersString += `,${multiLineFn ? '\n' : ' '}${inspect(this.scope, options)}`;
        }
        const endingNewline = multiLineFn && this.scope === null;
        return `new Code(${multiLineFn ? '\n' : ''}${parametersString}${endingNewline ? '\n' : ''})`;
    }
}

class Double extends BSONValue {
    get _bsontype() {
        return 'Double';
    }
    value;
    constructor(value) {
        super();
        if (value instanceof Number) {
            value = value.valueOf();
        }
        this.value = +value;
    }
    static fromString(value) {
        const coercedValue = Number(value);
        if (value === 'NaN')
            return new Double(NaN);
        if (value === 'Infinity')
            return new Double(Infinity);
        if (value === '-Infinity')
            return new Double(-Infinity);
        if (!Number.isFinite(coercedValue)) {
            throw new BSONError(`Input: ${value} is not representable as a Double`);
        }
        if (value.trim() !== value) {
            throw new BSONError(`Input: '${value}' contains whitespace`);
        }
        if (value === '') {
            throw new BSONError(`Input is an empty string`);
        }
        if (/[^-0-9.+eE]/.test(value)) {
            throw new BSONError(`Input: '${value}' is not in decimal or exponential notation`);
        }
        return new Double(coercedValue);
    }
    valueOf() {
        return this.value;
    }
    toJSON() {
        return this.value;
    }
    toString(radix) {
        return this.value.toString(radix);
    }
    toExtendedJSON(options) {
        if (options && (options.legacy || (options.relaxed && isFinite(this.value)))) {
            return this.value;
        }
        if (Object.is(Math.sign(this.value), -0)) {
            return { $numberDouble: '-0.0' };
        }
        return {
            $numberDouble: Number.isInteger(this.value) ? this.value.toFixed(1) : this.value.toString()
        };
    }
    static fromExtendedJSON(doc, options) {
        const doubleValue = parseFloat(doc.$numberDouble);
        return options && options.relaxed ? doubleValue : new Double(doubleValue);
    }
    inspect(depth, options, inspect) {
        inspect ??= defaultInspect;
        return `new Double(${inspect(this.value, options)})`;
    }
}

class Int32 extends BSONValue {
    get _bsontype() {
        return 'Int32';
    }
    value;
    constructor(value) {
        super();
        if (value instanceof Number) {
            value = value.valueOf();
        }
        this.value = +value | 0;
    }
    static fromString(value) {
        const cleanedValue = removeLeadingZerosAndExplicitPlus(value);
        const coercedValue = Number(value);
        if (BSON_INT32_MAX < coercedValue) {
            throw new BSONError(`Input: '${value}' is larger than the maximum value for Int32`);
        }
        else if (BSON_INT32_MIN > coercedValue) {
            throw new BSONError(`Input: '${value}' is smaller than the minimum value for Int32`);
        }
        else if (!Number.isSafeInteger(coercedValue)) {
            throw new BSONError(`Input: '${value}' is not a safe integer`);
        }
        else if (coercedValue.toString() !== cleanedValue) {
            throw new BSONError(`Input: '${value}' is not a valid Int32 string`);
        }
        return new Int32(coercedValue);
    }
    valueOf() {
        return this.value;
    }
    toString(radix) {
        return this.value.toString(radix);
    }
    toJSON() {
        return this.value;
    }
    toExtendedJSON(options) {
        if (options && (options.relaxed || options.legacy))
            return this.value;
        return { $numberInt: this.value.toString() };
    }
    static fromExtendedJSON(doc, options) {
        return options && options.relaxed ? parseInt(doc.$numberInt, 10) : new Int32(doc.$numberInt);
    }
    inspect(depth, options, inspect) {
        inspect ??= defaultInspect;
        return `new Int32(${inspect(this.value, options)})`;
    }
}

class MaxKey extends BSONValue {
    get _bsontype() {
        return 'MaxKey';
    }
    toExtendedJSON() {
        return { $maxKey: 1 };
    }
    static fromExtendedJSON() {
        return new MaxKey();
    }
    inspect() {
        return 'new MaxKey()';
    }
}

class MinKey extends BSONValue {
    get _bsontype() {
        return 'MinKey';
    }
    toExtendedJSON() {
        return { $minKey: 1 };
    }
    static fromExtendedJSON() {
        return new MinKey();
    }
    inspect() {
        return 'new MinKey()';
    }
}

class BSONSymbol extends BSONValue {
    get _bsontype() {
        return 'BSONSymbol';
    }
    value;
    constructor(value) {
        super();
        this.value = value;
    }
    valueOf() {
        return this.value;
    }
    toString() {
        return this.value;
    }
    toJSON() {
        return this.value;
    }
    toExtendedJSON() {
        return { $symbol: this.value };
    }
    static fromExtendedJSON(doc) {
        return new BSONSymbol(doc.$symbol);
    }
    inspect(depth, options, inspect) {
        inspect ??= defaultInspect;
        return `new BSONSymbol(${inspect(this.value, options)})`;
    }
}

const onDemand = Object.create(null);
onDemand.parseToElements = parseToElements;
onDemand.ByteUtils = ByteUtils;
onDemand.NumberUtils = NumberUtils;
Object.freeze(onDemand);

var bson = /*#__PURE__*/Object.freeze({
    __proto__: null,
    BSONError: BSONError,
    BSONOffsetError: BSONOffsetError,
    BSONRegExp: BSONRegExp,
    BSONRuntimeError: BSONRuntimeError,
    BSONSymbol: BSONSymbol,
    BSONType: BSONType,
    BSONValue: BSONValue,
    BSONVersionError: BSONVersionError,
    Binary: Binary,
    ByteUtils: ByteUtils,
    Code: Code,
    DBRef: DBRef,
    Decimal128: Decimal128,
    Double: Double,
    EJSON: EJSON,
    Int32: Int32,
    Long: Long,
    MaxKey: MaxKey,
    MinKey: MinKey,
    NumberUtils: NumberUtils,
    ObjectId: ObjectId,
    Timestamp: Timestamp,
    UUID: UUID,
    bsonType: bsonType,
    calculateObjectSize: calculateObjectSize,
    deserialize: deserialize,
    deserializeStream: deserializeStream,
    onDemand: onDemand,
    serialize: serialize,
    serializeWithBufferAndIndex: serializeWithBufferAndIndex,
    setInternalBufferSize: setInternalBufferSize
});

exports.BSON = bson;
exports.BSONError = BSONError;
exports.BSONOffsetError = BSONOffsetError;
exports.BSONRegExp = BSONRegExp;
exports.BSONRuntimeError = BSONRuntimeError;
exports.BSONSymbol = BSONSymbol;
exports.BSONType = BSONType;
exports.BSONValue = BSONValue;
exports.BSONVersionError = BSONVersionError;
exports.Binary = Binary;
exports.ByteUtils = ByteUtils;
exports.Code = Code;
exports.DBRef = DBRef;
exports.Decimal128 = Decimal128;
exports.Double = Double;
exports.EJSON = EJSON;
exports.Int32 = Int32;
exports.Long = Long;
exports.MaxKey = MaxKey;
exports.MinKey = MinKey;
exports.NumberUtils = NumberUtils;
exports.ObjectId = ObjectId;
exports.Timestamp = Timestamp;
exports.UUID = UUID;
exports.bsonType = bsonType;
exports.calculateObjectSize = calculateObjectSize;
exports.deserialize = deserialize;
exports.deserializeStream = deserializeStream;
exports.onDemand = onDemand;
exports.serialize = serialize;
exports.serializeWithBufferAndIndex = serializeWithBufferAndIndex;
exports.setInternalBufferSize = setInternalBufferSize;
//# sourceMappingURL=bson.cjs.map

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