@xlink-network/xlink-sdk
Version:
307 lines (302 loc) • 8.38 kB
JavaScript
;
// src/utils/BigNumber.spec.ts
var import_vitest = require("vitest");
// src/utils/BigNumber.ts
var import_big = require("big.js");
// src/utils/arrayHelpers.ts
function last(ary) {
return ary[ary.length - 1];
}
var _concat = [].concat;
var _reduce = [].reduce;
function reduce(fn, initialValue, inputArray) {
return _reduce.call(inputArray, fn, initialValue);
}
// src/utils/BigNumber.ts
import_big.Big.PE = 21;
import_big.Big.NE = -21;
var toBig = (num) => {
if (num instanceof import_big.Big) {
return num;
}
return new import_big.Big(num);
};
var fromBig = (num) => {
return num;
};
var BigNumber;
((BigNumber2) => {
({ roundUp: BigNumber2.roundUp, roundDown: BigNumber2.roundDown, roundHalfUp: BigNumber2.roundHalfUp, roundHalfEven: BigNumber2.roundHalfEven } = import_big.Big);
let defaultRoundingMode = BigNumber2.roundHalfUp;
BigNumber2.setDefaultRoundingMode = (roundingMode) => {
defaultRoundingMode = roundingMode;
};
BigNumber2.isBigNumber = (num) => {
return num instanceof import_big.Big;
};
BigNumber2.safeFrom = (value) => {
try {
return (0, BigNumber2.from)(value);
} catch (e) {
return void 0;
}
};
BigNumber2.from = (value) => {
return fromBig(toBig(value));
};
BigNumber2.toString = (value) => {
return toBig(value).toString();
};
BigNumber2.toNumber = (value) => {
return toBig(value).toNumber();
};
BigNumber2.toBigInt = curry2(
(options, value) => {
return BigInt(
(0, BigNumber2.toFixed)(
{
precision: 0,
roundingMode: options.roundingMode ?? defaultRoundingMode
},
toBig(value)
)
);
}
);
BigNumber2.toFixed = curry2(
(options, value) => {
return toBig(value).toFixed(
options.precision,
options.roundingMode ?? defaultRoundingMode
);
}
);
BigNumber2.toExponential = curry2(
(options, value) => {
return toBig(value).toExponential(
options.precision,
options.roundingMode ?? defaultRoundingMode
);
}
);
BigNumber2.isNegative = (value) => {
return toBig(value).lt(0);
};
BigNumber2.isGtZero = (value) => {
return toBig(value).gt(0);
};
BigNumber2.isZero = (value) => {
return toBig(value).eq(0);
};
BigNumber2.isEq = curry2(
(value, a) => {
return toBig(value).eq(toBig(a));
}
);
BigNumber2.isGt = curry2(
(value, a) => {
return toBig(value).gt(toBig(a));
}
);
BigNumber2.isGte = curry2(
(value, a) => {
return toBig(value).gte(toBig(a));
}
);
BigNumber2.isLt = curry2(
(value, a) => {
return toBig(value).lt(toBig(a));
}
);
BigNumber2.isLte = curry2(
(value, a) => {
return toBig(value).lte(toBig(a));
}
);
BigNumber2.setPrecision = curry2(
(options, value) => {
return fromBig(
toBig(
toBig(value).toPrecision(
options.precision,
options.roundingMode ?? defaultRoundingMode
)
)
);
}
);
BigNumber2.getPrecision = (value) => {
return toBig(value).c.length - (toBig(value).e + 1);
};
BigNumber2.getIntegerLength = (value) => {
return toBig(value).e + 1;
};
BigNumber2.leftMoveDecimals = curry2(
(distance, value) => (0, BigNumber2.moveDecimals)({ distance }, value)
);
BigNumber2.rightMoveDecimals = curry2(
(distance, value) => (0, BigNumber2.moveDecimals)({ distance: -distance }, value)
);
BigNumber2.moveDecimals = curry2(
(options, value) => {
if (options.distance > 0) {
return fromBig(toBig(value).div(10 ** options.distance));
}
if (options.distance < 0) {
return fromBig(toBig(value).mul(10 ** -options.distance));
}
return (0, BigNumber2.from)(value);
}
);
BigNumber2.getDecimalPart = curry2(
(options, value) => {
const formatted = (0, BigNumber2.toFixed)(
{
precision: Math.min((0, BigNumber2.getPrecision)(value), options.precision),
roundingMode: BigNumber2.roundDown
},
value
);
const [, decimals] = formatted.split(".");
if (decimals == null) return void 0;
return decimals;
}
);
BigNumber2.abs = (value) => {
return fromBig(toBig(value).abs());
};
BigNumber2.neg = (value) => {
return fromBig(toBig(value).neg());
};
BigNumber2.sqrt = (value) => {
return fromBig(toBig(value).sqrt());
};
BigNumber2.add = curry2(
(value, a) => {
return fromBig(toBig(value).add(toBig(a)));
}
);
BigNumber2.minus = curry2(
(value, a) => {
return fromBig(toBig(value).minus(toBig(a)));
}
);
BigNumber2.mul = curry2(
(value, a) => {
return fromBig(toBig(value).mul(toBig(a)));
}
);
BigNumber2.cumulativeMul = curry2(
(value, as) => {
return reduce(
(acc, currentRate) => [
...acc,
BigNumber2.mul(last(acc), currentRate)
],
[(0, BigNumber2.from)(value)],
as
);
}
);
BigNumber2.div = curry2(
(value, a) => {
return fromBig(toBig(value).div(toBig(a)));
}
);
BigNumber2.pow = curry2((value, a) => {
return fromBig(toBig(value).pow(a));
});
BigNumber2.round = curry2(
(options, value) => {
return fromBig(
toBig(value).round(
options.precision,
options.roundingMode ?? defaultRoundingMode
)
);
}
);
BigNumber2.toPrecision = curry2(
(options, value) => {
return toBig(value).toPrecision(
options.precision,
options.roundingMode ?? defaultRoundingMode
);
}
);
BigNumber2.ascend = curry2(
(a, b) => (0, BigNumber2.isLt)(a, b) ? -1 : (0, BigNumber2.isGt)(a, b) ? 1 : 0
);
BigNumber2.descend = curry2(
(a, b) => (0, BigNumber2.isLt)(a, b) ? 1 : (0, BigNumber2.isGt)(a, b) ? -1 : 0
);
BigNumber2.sort = (comparator, numbers) => {
const _numbers = numbers.map((a) => fromBig(toBig(a)));
_numbers.sort(comparator);
return _numbers;
};
BigNumber2.max = (numbers) => {
return (0, BigNumber2.from)((0, BigNumber2.sort)(BigNumber2.descend, numbers)[0]);
};
BigNumber2.min = (numbers) => {
return (0, BigNumber2.from)((0, BigNumber2.sort)(BigNumber2.ascend, numbers)[0]);
};
BigNumber2.clamp = (range, n) => {
const [min2, max2] = range;
if ((0, BigNumber2.isGte)(n, max2)) return max2;
if ((0, BigNumber2.isLte)(n, min2)) return min2;
return n;
};
BigNumber2.sum = (numbers) => {
return numbers.map((n) => fromBig(toBig(n))).reduce((acc, n) => (0, BigNumber2.add)(acc, n), BigNumber2.ZERO);
};
BigNumber2.ZERO = BigNumber2.from(0);
BigNumber2.ONE = BigNumber2.from(1);
})(BigNumber || (BigNumber = {}));
function curry2(fn) {
return function(a, b) {
if (arguments.length > 1) {
return fn(a, b);
}
return (b2) => fn(a, b2);
};
}
// src/utils/BigNumber.spec.ts
(0, import_vitest.describe)("BigNumber", () => {
(0, import_vitest.describe)("round", () => {
(0, import_vitest.describe)("roundHalfEven", () => {
(0, import_vitest.it)("should round to the nearest even number", () => {
const t = (expected, value, precision) => {
(0, import_vitest.expect)(
BigNumber.round(
{
precision,
roundingMode: BigNumber.roundHalfEven
},
value
),
`t("${expected}", "${value}", ${precision})`
).toEqual(BigNumber.from(expected));
};
t("123.4", "123.45", 1);
t("123.4", "123.35", 1);
t("123.4", "123.41", 1);
t("123.4", "123.36", 1);
});
});
});
(0, import_vitest.describe)("sum", () => {
(0, import_vitest.it)("should return the sum of an array of BigNumber values", () => {
const numbers = [1, BigNumber.from(2), "3"];
(0, import_vitest.expect)(BigNumber.sum(numbers)).toEqual(BigNumber.from(6));
});
});
(0, import_vitest.describe)("getDecimalPart", () => {
(0, import_vitest.it)("should return the decimal part of a BigNumber value", () => {
(0, import_vitest.expect)(BigNumber.getDecimalPart({ precision: 10 }, "123.45")).toEqual(
"45"
);
});
});
});
//# sourceMappingURL=BigNumber.spec.js.map