asset-depreciation-calculator - npm Package Compare versions

Comparing version 0.0.7 to 0.0.9

dist/index.d.ts

@@ -17,4 +17,3 @@ declare type DepreciationResult = {
 export declare const assertDepreciationYears: (years: number) => void;
-export declare const toFixedTwo: (num: number) => number;
 declare const calculateDepreciation: ({ purchaseAmount, purchaseDate, totalDepreciationYears, }: DepreciationInputs) => DepreciationResult[];
 export default calculateDepreciation;

dist/index.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.toFixedTwo = exports.assertDepreciationYears = exports.assertPurchaseDate = exports.assertPurchaseAmount = void 0;
+exports.assertDepreciationYears = exports.assertPurchaseDate = exports.assertPurchaseAmount = void 0;
 const MONTHS_IN_YEAR = 12;
-const MINIMUM_PURCHASE_AMOUNT = 800;
+const MINIMUM_PURCHASE_AMOUNT = 80000;
 const assertPurchaseAmount = (amount) => {
-    if (isNaN(amount) || amount < 0) {
+    if (isNaN(amount) || amount < 0 || amount % 1 !== 0) { // Check if amount is integer, not float.
         throw new TypeError('`purchaseAmount` is invalid.');
@@ -24,18 +24,11 @@ }
 exports.assertDepreciationYears = assertDepreciationYears;
-// Format a float to maximum 2 decimal places.
-// 1.1111 => 1.11
-// 1.5555 => 1.56
-// 1.9999 => 2
-// Checkout the unit test for more examples.
-const toFixedTwo = (num) => Math.round((num + Number.EPSILON) * 100) / 100;
-exports.toFixedTwo = toFixedTwo;
 const calculate = (purchaseAmount, totalDepreciationYears, previousEndAmount, monthsLeft = MONTHS_IN_YEAR) => {
-    const depreciationAmount = exports.toFixedTwo((purchaseAmount / totalDepreciationYears / MONTHS_IN_YEAR) * monthsLeft);
-    const newEndAmount = exports.toFixedTwo(previousEndAmount - depreciationAmount);
+    const depreciationAmount = Math.round((purchaseAmount / totalDepreciationYears / MONTHS_IN_YEAR) * monthsLeft);
+    const newEndAmount = previousEndAmount - depreciationAmount;
     // Because of the rounding, even if the calculation is correct, sometimes there is €0.01 left over.
-    // For example, if total is 3.1, divided by 3 it would be 1.33 / 1.33 / 1.33.
-    if (newEndAmount === 0.01) {
+    // For example, if total is 31, divided by 3 it would be 10 / 10 / 10.
+    if (newEndAmount === 1) {
         return {
             depreciationAmount: previousEndAmount,
-            percentage: exports.toFixedTwo((previousEndAmount / purchaseAmount) * 100),
+            percentage: previousEndAmount / purchaseAmount,
             startAmount: previousEndAmount,
@@ -47,3 +40,3 @@ endAmount: 0,
         depreciationAmount,
-        percentage: exports.toFixedTwo((depreciationAmount / purchaseAmount) * 100),
+        percentage: depreciationAmount / purchaseAmount,
         startAmount: previousEndAmount,
@@ -68,3 +61,3 @@ endAmount: newEndAmount,
                 depreciationAmount: purchaseAmount,
-                percentage: 100,
+                percentage: 1,
                 startAmount: purchaseAmount,
@@ -71,0 +64,0 @@ endAmount: 0,

package.json

 {
   "name": "asset-depreciation-calculator",
-  "version": "0.0.7",
+  "version": "0.0.9",
   "description": "Asset Depreciation Calculator",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -17,4 +17,4 @@ # asset-depreciation-calculator
 calculateDepreciation({
-  purchaseAmount: 20000,
-  purchaseDate: new Date("2016-08-01"),
+  purchaseAmount: 2000000,
+  purchaseDate: new Date("2016-01-01"),
   totalDepreciationYears: 5,
@@ -24,41 +24,34 @@ })
 //   year: 2016,
-//   depreciationMonths: 5,
-//   depreciationAmount: 1666.67,
-//   percentage: 8.33,
-//   startAmount: 20000,
-//   endAmount: 18333.33,
+//   depreciationMonths: 12,
+//   depreciationAmount: 400000,
+//   percentage: 0.2,
+//   startAmount: 2000000,
+//   endAmount: 1600000,
 // }, {
 //   year: 2017,
 //   depreciationMonths: 12,
-//   depreciationAmount: 4000,
-//   percentage: 20,
-//   startAmount: 18333.33,
-//   endAmount: 14333.33,
+//   depreciationAmount: 400000,
+//   percentage: 0.2,
+//   startAmount: 1600000,
+//   endAmount: 1200000,
 // }, {
 //   year: 2018,
 //   depreciationMonths: 12,
-//   depreciationAmount: 4000,
-//   percentage: 20,
-//   startAmount: 14333.33,
-//   endAmount: 10333.33,
+//   depreciationAmount: 400000,
+//   percentage: 0.2,
+//   startAmount: 1200000,
+//   endAmount: 800000,
 // }, {
 //   year: 2019,
 //   depreciationMonths: 12,
-//   depreciationAmount: 4000,
-//   percentage: 20,
-//   startAmount: 10333.33,
-//   endAmount: 6333.33,
+//   depreciationAmount: 400000,
+//   percentage: 0.2,
+//   startAmount: 800000,
+//   endAmount: 400000,
 // }, {
 //   year: 2020,
 //   depreciationMonths: 12,
-//   depreciationAmount: 4000,
-//   percentage: 20,
-//   startAmount: 6333.33,
-//   endAmount: 2333.33,
-// }, {
-//   year: 2021,
-//   depreciationMonths: 7,
-//   depreciationAmount: 2333.33,
-//   percentage: 11.67,
-//   startAmount: 2333.33,
+//   depreciationAmount: 400000,
+//   percentage: 0.2,
+//   startAmount: 400000,
 //   endAmount: 0,
@@ -74,4 +67,6 @@ // }]
 
-Type: `number`
+The purchase amount in cents.
 
+Type: `number`.
+
 #### purchaseDate
@@ -78,0 +73,0 @@

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Worsened metrics

Total package byte prevSize

11047

decreased by-6.29%

Lines of code

104

decreased by-7.14%

Number of lines in readme file

76

decreased by-6.17%

No dependency changes