tedious
Version:
A TDS driver, for connecting to MS SQLServer databases.
53 lines (52 loc) • 6.14 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _intn = _interopRequireDefault(require("./intn"));
var _writableTrackingBuffer = _interopRequireDefault(require("../tracking-buffer/writable-tracking-buffer"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const DATA_LENGTH = Buffer.from([0x08]);
const NULL_LENGTH = Buffer.from([0x00]);
const MAX_SAFE_BIGINT = 9223372036854775807n;
const MIN_SAFE_BIGINT = -9223372036854775808n;
const BigInt = {
id: 0x7F,
type: 'INT8',
name: 'BigInt',
declaration: function () {
return 'bigint';
},
generateTypeInfo() {
return Buffer.from([_intn.default.id, 0x08]);
},
generateParameterLength(parameter, options) {
if (parameter.value == null) {
return NULL_LENGTH;
}
return DATA_LENGTH;
},
*generateParameterData(parameter, options) {
if (parameter.value == null) {
return;
}
const buffer = new _writableTrackingBuffer.default(8);
buffer.writeInt64LE(Number(parameter.value));
yield buffer.data;
},
validate: function (value) {
if (value == null) {
return null;
}
if (typeof value !== 'bigint') {
value = globalThis.BigInt(value);
}
if (value < MIN_SAFE_BIGINT || value > MAX_SAFE_BIGINT) {
throw new TypeError(`Value must be between ${MIN_SAFE_BIGINT} and ${MAX_SAFE_BIGINT}, inclusive.`);
}
return value;
}
};
var _default = exports.default = BigInt;
module.exports = BigInt;
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