@equisoft/tax-ca - npm Package Compare versions

Comparing version 2021.2.1 to 2021.3.0

dist/taxes/income-tax.d.ts

@@ -18,4 +18,6 @@ import { FederalCode, ProvinceCode } from '../misc/code-types';
 export declare const TAX_BRACKETS: TaxBrackets;
-export declare function getFederalTaxAmount(grossIncome: number, inflationRate?: number, yearsToInflate?: number): number;
+export declare function getFederalTaxAmount(provincialCode: ProvinceCode, grossIncome: number, inflationRate?: number, yearsToInflate?: number): number;
+export declare function getFederalBaseTaxAmount(grossIncome: number, inflationRate?: number, yearsToInflate?: number): number;
 export declare function getProvincialTaxAmount(province: ProvinceCode, grossIncome: number, inflationRate?: number, yearsToInflate?: number): number;
+export declare function getProvincialBaseTaxAmount(province: ProvinceCode, grossIncome: number, inflationRate?: number, yearsToInflate?: number): number;
 export declare function getProvincialSurtaxAmount(province: ProvinceCode, baseTaxAmount: number, inflationRate?: number, yearsToInflate?: number): number;
@@ -32,2 +34,2 @@ export declare function getFederalBaseCredit(inflationRate: number, yearsToInflate: number): number;
 export declare function getTotalTaxAmount(provincialCode: ProvinceCode, grossIncome: number, inflationRate?: number, yearsToInflate?: number): number;
-export declare function calculateEffectiveTaxRate(income: number, province: ProvinceCode): number;
+export declare function getEffectiveRate(province: ProvinceCode, income: number, inflationRate?: number, yearsToInflate?: number): number;

dist/taxes/income-tax.js

@@ -12,3 +12,3 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.calculateEffectiveTaxRate = exports.getTotalTaxAmount = exports.getTotalMaxMarginalRate = exports.getMaxFederalMarginalRate = exports.getMaxProvincialMarginalRate = exports.getTotalMarginalRate = exports.getProvincialBaseCredit = exports.getProvincialMarginalRate = exports.getFederalMarginalRate = exports.getProvincialAbatement = exports.getFederalBaseCredit = exports.getProvincialSurtaxAmount = exports.getProvincialTaxAmount = exports.getFederalTaxAmount = exports.TAX_BRACKETS = void 0;
+exports.getEffectiveRate = exports.getTotalTaxAmount = exports.getTotalMaxMarginalRate = exports.getMaxFederalMarginalRate = exports.getMaxProvincialMarginalRate = exports.getTotalMarginalRate = exports.getProvincialBaseCredit = exports.getProvincialMarginalRate = exports.getFederalMarginalRate = exports.getProvincialAbatement = exports.getFederalBaseCredit = exports.getProvincialSurtaxAmount = exports.getProvincialBaseTaxAmount = exports.getProvincialTaxAmount = exports.getFederalBaseTaxAmount = exports.getFederalTaxAmount = exports.TAX_BRACKETS = void 0;
 const code_types_1 = require("../misc/code-types");
@@ -453,2 +453,9 @@ const utils_1 = require("../utils");
 }
+function getRate(brackets, grossIncome, inflationRate, yearsToInflate) {
+    const reducer = (previous, current) => {
+        const bracketFrom = inflate(current.FROM, inflationRate, yearsToInflate);
+        return bracketFrom < grossIncome ? current.RATE : previous;
+    };
+    return brackets.reduce(reducer, 0);
+}
 function getTaxRates(code) {
@@ -463,17 +470,26 @@ return exports.TAX_BRACKETS[code].RATES;
 }
-function getRate(brackets, grossIncome, inflationRate, yearsToInflate) {
-    const reducer = (previous, current) => {
-        const bracketFrom = inflate(current.FROM, inflationRate, yearsToInflate);
-        return bracketFrom < grossIncome ? current.RATE : previous;
-    };
-    return brackets.reduce(reducer, 0);
+function getFederalTaxAmount(provincialCode, grossIncome, inflationRate = 0, yearsToInflate = 0) {
+    const federalBaseTaxAmount = getFederalBaseTaxAmount(grossIncome, inflationRate, yearsToInflate);
+    const baseCredit = getFederalBaseCredit(inflationRate, yearsToInflate);
+    const federalTax = Math.max(federalBaseTaxAmount - baseCredit, 0);
+    const abatement = getProvincialAbatement(provincialCode, federalTax);
+    return Math.max(federalTax - abatement, 0);
 }
-function getFederalTaxAmount(grossIncome, inflationRate = 0, yearsToInflate = 0) {
+exports.getFederalTaxAmount = getFederalTaxAmount;
+function getFederalBaseTaxAmount(grossIncome, inflationRate = 0, yearsToInflate = 0) {
     return extractRate(getTaxRates(code_types_1.FEDERAL_CODE), grossIncome, inflationRate, yearsToInflate);
 }
-exports.getFederalTaxAmount = getFederalTaxAmount;
+exports.getFederalBaseTaxAmount = getFederalBaseTaxAmount;
 function getProvincialTaxAmount(province, grossIncome, inflationRate = 0, yearsToInflate = 0) {
+    const baseTaxAmount = getProvincialBaseTaxAmount(province, grossIncome, inflationRate, yearsToInflate);
+    const baseCredit = getProvincialBaseCredit(province, inflationRate, yearsToInflate);
+    const tax = Math.max(baseTaxAmount - baseCredit, 0);
+    const surTax = getProvincialSurtaxAmount(province, tax, inflationRate, yearsToInflate);
+    return tax + surTax;
+}
+exports.getProvincialTaxAmount = getProvincialTaxAmount;
+function getProvincialBaseTaxAmount(province, grossIncome, inflationRate = 0, yearsToInflate = 0) {
     return extractRate(getTaxRates(province), grossIncome, inflationRate, yearsToInflate);
 }
-exports.getProvincialTaxAmount = getProvincialTaxAmount;
+exports.getProvincialBaseTaxAmount = getProvincialBaseTaxAmount;
 function getProvincialSurtaxAmount(province, baseTaxAmount, inflationRate = 0, yearsToInflate = 0) {
@@ -542,20 +558,12 @@ return extractRate(getSurtaxRates(province), baseTaxAmount, inflationRate, yearsToInflate);
     const provTax = getProvincialTaxAmount(provincialCode, grossIncome, inflationRate, yearsToInflate);
-    const provSurtax = getProvincialSurtaxAmount(provincialCode, provTax, inflationRate, yearsToInflate);
-    const fedTax = getFederalTaxAmount(grossIncome, inflationRate, yearsToInflate);
-    return provTax + provSurtax + fedTax;
+    const fedTax = getFederalTaxAmount(provincialCode, grossIncome, inflationRate, yearsToInflate);
+    return Math.max(provTax, 0) + Math.max(fedTax, 0);
 }
 exports.getTotalTaxAmount = getTotalTaxAmount;
-function calculateEffectiveTaxRate(income, province) {
+function getEffectiveRate(province, income, inflationRate = 0, yearsToInflate = 0) {
     if (income <= 0) {
         return 0;
     }
-    const provTax = getProvincialTaxAmount(province, income, 0, 0);
-    const provBaseCredit = getProvincialBaseCredit(province, 0, 0);
-    const fedTax = getFederalTaxAmount(income, 0, 0);
-    const fedBaseCredit = getFederalBaseCredit(0, 0);
-    const fedProvAbatement = getProvincialAbatement(province, fedTax - fedBaseCredit);
-    const taxesToPay = Math.max(fedTax - fedBaseCredit - fedProvAbatement, 0)
-        + Math.max(provTax - provBaseCredit, 0);
-    return taxesToPay / income;
+    return (getTotalTaxAmount(province, income, inflationRate, yearsToInflate)) / income;
 }
-exports.calculateEffectiveTaxRate = calculateEffectiveTaxRate;
+exports.getEffectiveRate = getEffectiveRate;

package.json

 {
   "name": "@equisoft/tax-ca",
-  "version": "2021.2.1",
+  "version": "2021.3.0",
   "description": "Canadian tax data and calculation functions.",
@@ -5,0 +5,0 @@ "main": "dist/index.js",

No alert changes

Improved metrics

Total package byte prevSize

66197

increased by1.57%

Lines of code

1991

increased by0.56%

No dependency changes