@strong-roots-capital/bybit-api
Version:
TypeScript API for Bybit cryptocurrency exchange
167 lines • 6.39 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.BybitTimeframeFromString = exports.inMinutes = exports.BybitTimeframe = exports.Parser = void 0;
var E = __importStar(require("fp-ts/Either"));
var function_1 = require("fp-ts/function");
var t = __importStar(require("io-ts"));
var io_ts_types_1 = require("io-ts-types");
var P = __importStar(require("parser-ts/Parser"));
var C = __importStar(require("parser-ts/char"));
var code_frame_1 = require("parser-ts/code-frame");
var S = __importStar(require("parser-ts/string"));
var construct = {
minute: function (quantifier) { return ({
quantifier: quantifier,
unit: 'minute',
}); },
hour: function (quantifier) { return ({
quantifier: quantifier,
unit: 'hour',
}); },
day: function () { return ({
quantifier: 1,
unit: 'day',
}); },
week: function () { return ({
quantifier: 1,
unit: 'week',
}); },
};
var minutesParser = (0, function_1.pipe)(S.float, P.map(construct.minute));
var hoursParser = (0, function_1.pipe)(S.float, P.chainFirst(function () { return C.char('H'); }), P.map(construct.hour));
var daysParser = (0, function_1.pipe)(S.many(C.digit), P.chain(function () { return C.char('D'); }), P.map(construct.day));
var weeksParser = (0, function_1.pipe)(S.many(C.digit), P.chain(function () { return C.char('W'); }), P.map(construct.week));
/**
* @internal
*/
exports.Parser = (0, function_1.pipe)(weeksParser, P.alt(function () { return daysParser; }), P.alt(function () { return hoursParser; }), P.alt(function () { return minutesParser; }));
/*********************************************************************
* Codecs
********************************************************************/
var Int = (0, io_ts_types_1.withMessage)(t.Int, function (i) { return "Expected value \"" + i + "\" to be a whole number"; });
/**
* Timeframe Quantifiers
*
* Only support a subset of the timeframes that Bybit itself supports,
* to foster a rapid development time.
*/
var BybitTimeframeMinutesQuantifier = t.intersection([
Int,
t.union([t.literal(1), t.literal(60)]),
]);
var BybitTimeframeHoursQuantifier = t.intersection([Int, t.literal(1)]);
var BybitTimeframeDaysQuantifier = t.intersection([Int, t.literal(1)]);
var BybitTimeframeWeeksQuantifier = t.intersection([Int, t.literal(1)]);
/**
* BybitTimeframes
*/
var BybitTimeframeMinutes = t.type({
quantifier: BybitTimeframeMinutesQuantifier,
unit: t.literal('minute'),
}, 'BybitTimeframeMinutes');
var BybitTimeframeHours = t.type({
quantifier: BybitTimeframeHoursQuantifier,
unit: t.literal('hour'),
}, 'BybitTimeframeHours');
var BybitTimeframeDays = t.type({
quantifier: BybitTimeframeDaysQuantifier,
unit: t.literal('day'),
}, 'BybitTimeframeDays');
var BybitTimeframeWeeks = t.type({
quantifier: BybitTimeframeWeeksQuantifier,
unit: t.literal('week'),
}, 'BybitTimeframeWeeks');
exports.BybitTimeframe = t.union([BybitTimeframeMinutes, BybitTimeframeHours, BybitTimeframeDays, BybitTimeframeWeeks], 'BybitTimeframe');
var charEncoded = function (unit) {
switch (unit) {
case 'minute':
case 'hour':
return '';
case 'day':
return 'D';
case 'week':
return 'W';
}
};
var minutesInMinute = 1;
var minutesInHour = 60;
var minutesInDay = 60 * 24;
var minutesInWeek = 60 * 24 * 7;
var multiplier = function (unit) {
switch (unit) {
case 'minute':
return minutesInMinute;
case 'hour':
return minutesInHour;
case 'day':
return minutesInDay;
case 'week':
return minutesInWeek;
}
};
var inMinutes = function (a) {
return (a.quantifier * multiplier(a.unit));
};
exports.inMinutes = inMinutes;
var quantifierEncoded = function (timeframe) {
switch (timeframe.unit) {
case 'minute':
return timeframe.quantifier.toString();
case 'hour':
return (0, exports.inMinutes)(timeframe).toString();
case 'day':
case 'week':
return '';
}
};
// Represent a timeframe with the greatest `unit` property possible
var withGreatestUnit = function (a) {
var minutes = (0, exports.inMinutes)(a);
if (0 === minutes % minutesInWeek) {
return {
quantifier: (minutes / minutesInWeek),
unit: 'week',
};
}
else if (0 === minutes % minutesInDay) {
return {
quantifier: (minutes / minutesInDay),
unit: 'day',
};
}
else if (0 === minutes % minutesInHour) {
return {
quantifier: (minutes / minutesInHour),
unit: 'hour',
};
}
else {
return { quantifier: minutes, unit: 'minute' };
}
};
exports.BybitTimeframeFromString = new t.Type('BybitTimeframeFromString', exports.BybitTimeframe.is, function (u, c) {
var parser = (0, function_1.pipe)(exports.Parser, P.chainFirst(function () { return P.eof(); }));
return (0, function_1.pipe)(t.string.validate(u, c), E.chain(function (s) {
return (0, function_1.pipe)((0, code_frame_1.run)(parser, s), E.orElse(function () { return t.failure(u, c); }));
}), E.chain(function (ast) { return exports.BybitTimeframe.validate(ast, c); }), E.map(withGreatestUnit));
}, function (timeframe) { return [quantifierEncoded(timeframe), charEncoded(timeframe.unit)].join(''); });
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