@xchainjs/xchain-util - npm Package Compare versions

Comparing version 0.2.5 to 0.2.6

CHANGELOG.md

@@ -0,1 +1,9 @@
+# v.0.2.6 (2021-03-16)
+
+### Update
+
+- Extend BaseAmount/AssetAmount to support basic arithmetic operations(add, minus, times, div)
+- Extend BaseAmount/AssetAmount to support basic comparison
+- Add type guard `isBigNumberValue` for BigNumber.Value
+
 # v.0.2.5 (2021-03-04)
@@ -2,0 +10,0 @@

lib/asset.d.ts

 import BigNumber from 'bignumber.js';
-import { Denomination, AssetAmount, BaseAmount, Amounts, Asset } from './types';
+import { AssetAmount, BaseAmount, Amounts, Asset } from './types';
 /**
+ * Guard to check whether value is a BigNumber.Value or not
+ *
+ * @param {unknown} v
+ * @returns {boolean} `true` or `false`.
+ * */
+export declare const isBigNumberValue: (v: unknown) => v is BigNumber.Value;
+/**
  * Factory to create values of assets (e.g. RUNE)
@@ -11,7 +18,3 @@ *
  **/
-export declare const assetAmount: (value: string | number | BigNumber | undefined, decimal?: number) => {
-    type: Denomination.ASSET;
-    amount: () => BigNumber;
-    decimal: number;
-};
+export declare const assetAmount: (value: BigNumber.Value | undefined, decimal?: number) => AssetAmount;
 /**
@@ -24,7 +27,3 @@ * Factory to create base amounts (e.g. tor)
  **/
-export declare const baseAmount: (value: string | number | BigNumber | undefined, decimal?: number) => {
-    type: Denomination.BASE;
-    amount: () => BigNumber;
-    decimal: number;
-};
+export declare const baseAmount: (value: BigNumber.Value | undefined, decimal?: number) => BaseAmount;
 /**
@@ -50,7 +49,3 @@ * Helper to convert values for a asset from base values (e.g. RUNE from tor)
  * */
-export declare const isAssetAmount: (v: Amounts) => v is {
-    type: Denomination.ASSET;
-    amount: () => BigNumber;
-    decimal: number;
-};
+export declare const isAssetAmount: (v: Amounts) => v is AssetAmount;
 /**
@@ -62,7 +57,3 @@ * Guard to check whether value is an amount of a base value or not
  * */
-export declare const isBaseAmount: (v: Amounts) => v is {
-    type: Denomination.BASE;
-    amount: () => BigNumber;
-    decimal: number;
-};
+export declare const isBaseAmount: (v: Amounts) => v is BaseAmount;
 /**
@@ -69,0 +60,0 @@ * Formats an `AssetAmount` into `string` based on decimal places

lib/bn.d.ts

@@ -66,3 +66,3 @@ import BigNumber from 'bignumber.js';
  * */
-export declare const fixedBN: (value: number | string | BigNumber | undefined, decimalPlaces?: number) => BigNumber;
+export declare const fixedBN: (value: BigNumber.Value | undefined, decimalPlaces?: number) => BigNumber;
 export default bn;

lib/index.esm.js

@@ -212,2 +212,11 @@ import BigNumber from 'bignumber.js';
 /**
+ * Guard to check whether value is a BigNumber.Value or not
+ *
+ * @param {unknown} v
+ * @returns {boolean} `true` or `false`.
+ * */
+var isBigNumberValue = function (v) {
+    return typeof v === 'string' || typeof v === 'number' || v instanceof BigNumber;
+};
+/**
  * Default number of asset decimals
@@ -233,7 +242,29 @@ * For history reason and by starting the project on Binance chain assets, it's 8 decimal.
     if (decimal === void 0) { decimal = ASSET_DECIMAL; }
-    return ({
+    var amount = fixedBN(value, decimal);
+    return {
         type: Denomination.ASSET,
-        amount: function () { return fixedBN(value, decimal); },
+        amount: function () { return amount; },
+        plus: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return assetAmount(amount.plus(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        minus: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return assetAmount(amount.minus(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        times: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return assetAmount(amount.times(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        div: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return assetAmount(amount.div(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        lt: function (v) { return amount.lt(isBigNumberValue(v) ? v : v.amount()); },
+        lte: function (v) { return amount.lte(isBigNumberValue(v) ? v : v.amount()); },
+        gt: function (v) { return amount.gt(isBigNumberValue(v) ? v : v.amount()); },
+        gte: function (v) { return amount.gte(isBigNumberValue(v) ? v : v.amount()); },
+        eq: function (v) { return amount.eq(isBigNumberValue(v) ? v : v.amount()); },
         decimal: decimal,
-    });
+    };
 };
@@ -249,7 +280,29 @@ /**
     if (decimal === void 0) { decimal = ASSET_DECIMAL; }
-    return ({
+    var amount = fixedBN(value, 0);
+    return {
         type: Denomination.BASE,
-        amount: function () { return fixedBN(value, 0); },
+        amount: function () { return amount; },
+        plus: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return baseAmount(amount.plus(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        minus: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return baseAmount(amount.minus(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        times: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return baseAmount(amount.times(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        div: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return baseAmount(amount.div(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        lt: function (v) { return amount.lt(isBigNumberValue(v) ? v : v.amount()); },
+        lte: function (v) { return amount.lte(isBigNumberValue(v) ? v : v.amount()); },
+        gt: function (v) { return amount.gt(isBigNumberValue(v) ? v : v.amount()); },
+        gte: function (v) { return amount.gte(isBigNumberValue(v) ? v : v.amount()); },
+        eq: function (v) { return amount.eq(isBigNumberValue(v) ? v : v.amount()); },
         decimal: decimal,
-    });
+    };
 };
@@ -549,3 +602,3 @@ /**
 
-export { AssetBCH, AssetBNB, AssetBTC, AssetCurrencySymbol, AssetETH, AssetLTC, AssetRune67C, AssetRuneB1A, AssetRuneERC20, AssetRuneERC20Testnet, AssetRuneNative, BCHChain, BNBChain, BTCChain, CosmosChain, Denomination, ETHChain, LTCChain, PolkadotChain, RUNE_TICKER, THORChain, assetAmount, assetFromString, assetToBase, assetToString, baseAmount, baseToAsset, bn, bnOrZero, chainToString, chains, currencySymbolByAsset, delay, fixedBN, formatAssetAmount, formatAssetAmountCurrency, formatBN, formatBNCurrency, formatBaseAmount, formatBaseAsAssetAmount, isAssetAmount, isBaseAmount, isChain, isValidAsset, isValidBN, trimZeros, validBNOrZero };
+export { AssetBCH, AssetBNB, AssetBTC, AssetCurrencySymbol, AssetETH, AssetLTC, AssetRune67C, AssetRuneB1A, AssetRuneERC20, AssetRuneERC20Testnet, AssetRuneNative, BCHChain, BNBChain, BTCChain, CosmosChain, Denomination, ETHChain, LTCChain, PolkadotChain, RUNE_TICKER, THORChain, assetAmount, assetFromString, assetToBase, assetToString, baseAmount, baseToAsset, bn, bnOrZero, chainToString, chains, currencySymbolByAsset, delay, fixedBN, formatAssetAmount, formatAssetAmountCurrency, formatBN, formatBNCurrency, formatBaseAmount, formatBaseAsAssetAmount, isAssetAmount, isBaseAmount, isBigNumberValue, isChain, isValidAsset, isValidBN, trimZeros, validBNOrZero };
 //# sourceMappingURL=index.esm.js.map

lib/index.js

@@ -219,2 +219,11 @@ 'use strict';
 /**
+ * Guard to check whether value is a BigNumber.Value or not
+ *
+ * @param {unknown} v
+ * @returns {boolean} `true` or `false`.
+ * */
+var isBigNumberValue = function (v) {
+    return typeof v === 'string' || typeof v === 'number' || v instanceof BigNumber__default['default'];
+};
+/**
  * Default number of asset decimals
@@ -240,7 +249,29 @@ * For history reason and by starting the project on Binance chain assets, it's 8 decimal.
     if (decimal === void 0) { decimal = ASSET_DECIMAL; }
-    return ({
+    var amount = fixedBN(value, decimal);
+    return {
         type: exports.Denomination.ASSET,
-        amount: function () { return fixedBN(value, decimal); },
+        amount: function () { return amount; },
+        plus: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return assetAmount(amount.plus(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        minus: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return assetAmount(amount.minus(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        times: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return assetAmount(amount.times(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        div: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return assetAmount(amount.div(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        lt: function (v) { return amount.lt(isBigNumberValue(v) ? v : v.amount()); },
+        lte: function (v) { return amount.lte(isBigNumberValue(v) ? v : v.amount()); },
+        gt: function (v) { return amount.gt(isBigNumberValue(v) ? v : v.amount()); },
+        gte: function (v) { return amount.gte(isBigNumberValue(v) ? v : v.amount()); },
+        eq: function (v) { return amount.eq(isBigNumberValue(v) ? v : v.amount()); },
         decimal: decimal,
-    });
+    };
 };
@@ -256,7 +287,29 @@ /**
     if (decimal === void 0) { decimal = ASSET_DECIMAL; }
-    return ({
+    var amount = fixedBN(value, 0);
+    return {
         type: exports.Denomination.BASE,
-        amount: function () { return fixedBN(value, 0); },
+        amount: function () { return amount; },
+        plus: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return baseAmount(amount.plus(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        minus: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return baseAmount(amount.minus(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        times: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return baseAmount(amount.times(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        div: function (v, d) {
+            if (d === void 0) { d = decimal; }
+            return baseAmount(amount.div(isBigNumberValue(v) ? v : v.amount()), d);
+        },
+        lt: function (v) { return amount.lt(isBigNumberValue(v) ? v : v.amount()); },
+        lte: function (v) { return amount.lte(isBigNumberValue(v) ? v : v.amount()); },
+        gt: function (v) { return amount.gt(isBigNumberValue(v) ? v : v.amount()); },
+        gte: function (v) { return amount.gte(isBigNumberValue(v) ? v : v.amount()); },
+        eq: function (v) { return amount.eq(isBigNumberValue(v) ? v : v.amount()); },
         decimal: decimal,
-    });
+    };
 };
@@ -592,2 +645,3 @@ /**
 exports.isBaseAmount = isBaseAmount;
+exports.isBigNumberValue = isBigNumberValue;
 exports.isChain = isChain;
@@ -594,0 +648,0 @@ exports.isValidAsset = isValidAsset;

lib/types/index.d.ts

@@ -16,2 +16,11 @@ import BigNumber from 'bignumber.js';
     amount: () => BigNumber;
+    plus: (value: BigNumber.Value | Amount<T>, decimal?: number) => Amount<T>;
+    minus: (value: BigNumber.Value | Amount<T>, decimal?: number) => Amount<T>;
+    times: (value: BigNumber.Value | Amount<T>, decimal?: number) => Amount<T>;
+    div: (value: BigNumber.Value | Amount<T>, decimal?: number) => Amount<T>;
+    gt: (value: BigNumber.Value | Amount<T>) => boolean;
+    gte: (value: BigNumber.Value | Amount<T>) => boolean;
+    lt: (value: BigNumber.Value | Amount<T>) => boolean;
+    lte: (value: BigNumber.Value | Amount<T>) => boolean;
+    eq: (value: BigNumber.Value | Amount<T>) => boolean;
     decimal: number;
@@ -18,0 +27,0 @@ };

package.json

 {
   "name": "@xchainjs/xchain-util",
-  "version": "0.2.5",
+  "version": "0.2.6",
   "description": "Helper utilities for XChain clients",
@@ -5,0 +5,0 @@ "keywords": [

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Improved metrics

Total package byte prevSize

128959

increased by16.17%

Lines of code

1657

increased by6.9%

No dependency changes