tedious
Version:
A TDS driver, for connecting to MS SQLServer databases.
93 lines (90 loc) • 11.9 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _datetimen = _interopRequireDefault(require("./datetimen"));
var _core = require("@js-joda/core");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const EPOCH_DATE = _core.LocalDate.ofYearDay(1900, 1);
const NULL_LENGTH = Buffer.from([0x00]);
const DATA_LENGTH = Buffer.from([0x08]);
const DateTime = {
id: 0x3D,
type: 'DATETIME',
name: 'DateTime',
declaration: function () {
return 'datetime';
},
generateTypeInfo() {
return Buffer.from([_datetimen.default.id, 0x08]);
},
generateParameterLength(parameter, options) {
if (parameter.value == null) {
return NULL_LENGTH;
}
return DATA_LENGTH;
},
generateParameterData: function* (parameter, options) {
if (parameter.value == null) {
return;
}
const value = parameter.value; // Temporary solution. Remove 'any' later.
let date;
if (options.useUTC) {
date = _core.LocalDate.of(value.getUTCFullYear(), value.getUTCMonth() + 1, value.getUTCDate());
} else {
date = _core.LocalDate.of(value.getFullYear(), value.getMonth() + 1, value.getDate());
}
let days = EPOCH_DATE.until(date, _core.ChronoUnit.DAYS);
let milliseconds, threeHundredthsOfSecond;
if (options.useUTC) {
let seconds = value.getUTCHours() * 60 * 60;
seconds += value.getUTCMinutes() * 60;
seconds += value.getUTCSeconds();
milliseconds = seconds * 1000 + value.getUTCMilliseconds();
} else {
let seconds = value.getHours() * 60 * 60;
seconds += value.getMinutes() * 60;
seconds += value.getSeconds();
milliseconds = seconds * 1000 + value.getMilliseconds();
}
threeHundredthsOfSecond = milliseconds / (3 + 1 / 3);
threeHundredthsOfSecond = Math.round(threeHundredthsOfSecond);
// 25920000 equals one day
if (threeHundredthsOfSecond === 25920000) {
days += 1;
threeHundredthsOfSecond = 0;
}
const buffer = Buffer.alloc(8);
buffer.writeInt32LE(days, 0);
buffer.writeUInt32LE(threeHundredthsOfSecond, 4);
yield buffer;
},
// TODO: type 'any' needs to be revisited.
validate: function (value, collation, options) {
if (value == null) {
return null;
}
if (!(value instanceof Date)) {
value = new Date(Date.parse(value));
}
value = value;
let year;
if (options && options.useUTC) {
year = value.getUTCFullYear();
} else {
year = value.getFullYear();
}
if (year < 1753 || year > 9999) {
throw new TypeError('Out of range.');
}
if (isNaN(value)) {
throw new TypeError('Invalid date.');
}
return value;
}
};
var _default = exports.default = DateTime;
module.exports = DateTime;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["_datetimen","_interopRequireDefault","require","_core","e","__esModule","default","EPOCH_DATE","LocalDate","ofYearDay","NULL_LENGTH","Buffer","from","DATA_LENGTH","DateTime","id","type","name","declaration","generateTypeInfo","DateTimeN","generateParameterLength","parameter","options","value","generateParameterData","date","useUTC","of","getUTCFullYear","getUTCMonth","getUTCDate","getFullYear","getMonth","getDate","days","until","ChronoUnit","DAYS","milliseconds","threeHundredthsOfSecond","seconds","getUTCHours","getUTCMinutes","getUTCSeconds","getUTCMilliseconds","getHours","getMinutes","getSeconds","getMilliseconds","Math","round","buffer","alloc","writeInt32LE","writeUInt32LE","validate","collation","Date","parse","year","TypeError","isNaN","_default","exports","module"],"sources":["../../src/data-types/datetime.ts"],"sourcesContent":["import { type DataType } from '../data-type';\nimport DateTimeN from './datetimen';\nimport { ChronoUnit, LocalDate } from '@js-joda/core';\n\nconst EPOCH_DATE = LocalDate.ofYearDay(1900, 1);\nconst NULL_LENGTH = Buffer.from([0x00]);\nconst DATA_LENGTH = Buffer.from([0x08]);\n\nconst DateTime: DataType = {\n  id: 0x3D,\n  type: 'DATETIME',\n  name: 'DateTime',\n\n  declaration: function() {\n    return 'datetime';\n  },\n\n  generateTypeInfo() {\n    return Buffer.from([DateTimeN.id, 0x08]);\n  },\n\n  generateParameterLength(parameter, options) {\n    if (parameter.value == null) {\n      return NULL_LENGTH;\n    }\n\n    return DATA_LENGTH;\n  },\n\n  generateParameterData: function*(parameter, options) {\n    if (parameter.value == null) {\n      return;\n    }\n\n    const value = parameter.value as any; // Temporary solution. Remove 'any' later.\n\n    let date: LocalDate;\n    if (options.useUTC) {\n      date = LocalDate.of(value.getUTCFullYear(), value.getUTCMonth() + 1, value.getUTCDate());\n    } else {\n      date = LocalDate.of(value.getFullYear(), value.getMonth() + 1, value.getDate());\n    }\n\n    let days = EPOCH_DATE.until(date, ChronoUnit.DAYS);\n\n    let milliseconds, threeHundredthsOfSecond;\n    if (options.useUTC) {\n      let seconds = value.getUTCHours() * 60 * 60;\n      seconds += value.getUTCMinutes() * 60;\n      seconds += value.getUTCSeconds();\n      milliseconds = (seconds * 1000) + value.getUTCMilliseconds();\n    } else {\n      let seconds = value.getHours() * 60 * 60;\n      seconds += value.getMinutes() * 60;\n      seconds += value.getSeconds();\n      milliseconds = (seconds * 1000) + value.getMilliseconds();\n    }\n\n    threeHundredthsOfSecond = milliseconds / (3 + (1 / 3));\n    threeHundredthsOfSecond = Math.round(threeHundredthsOfSecond);\n\n    // 25920000 equals one day\n    if (threeHundredthsOfSecond === 25920000) {\n      days += 1;\n      threeHundredthsOfSecond = 0;\n    }\n\n    const buffer = Buffer.alloc(8);\n    buffer.writeInt32LE(days, 0);\n    buffer.writeUInt32LE(threeHundredthsOfSecond, 4);\n    yield buffer;\n  },\n\n  // TODO: type 'any' needs to be revisited.\n  validate: function(value: any, collation, options): null | number {\n    if (value == null) {\n      return null;\n    }\n\n    if (!(value instanceof Date)) {\n      value = new Date(Date.parse(value));\n    }\n\n    value = value as Date;\n\n    let year;\n    if (options && options.useUTC) {\n      year = value.getUTCFullYear();\n    } else {\n      year = value.getFullYear();\n    }\n\n    if (year < 1753 || year > 9999) {\n      throw new TypeError('Out of range.');\n    }\n\n    if (isNaN(value)) {\n      throw new TypeError('Invalid date.');\n    }\n\n    return value;\n  }\n};\n\nexport default DateTime;\nmodule.exports = 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